This is a fast-curing, one-part polyurethane that reacts with moisture to give non-structural (medium-strength) bonds to wood, gel coat and glassfibre. We also tested the glassfibre with Sika Primer 210T: this outperformed the non-primed glassfibre, and there was a complete bond with both surfaces. SIKAFLEX 291i BLACK Sika 291 Marine Adhesive Sealant Handy Tube 70cc S291BK-70. This ‘shim’ is recommended to ensure that the adhesive or sealant is not squeezed out if fixing screws or bolts are pulled up tight. PRODUCT BENEFITS Wheelmark approved 1-component formulation Get every issue of PBO on Android, iPhone, iPad or desktop, Bending on a furling genoa at the start of the season can be daunting, but…, Practical articles and expert tips galore in the February 2021 issue of PBO as we hear from a reader struck by lightning 3 times! This website uses cookies to provide you with a great user experience. Sikaflex®-291 is manufactured in accordance with ISO 9001 / 14001 quality assurance system and the responsible care program. Die Haftung der Lackierung kann verbessert werden, indem die Fugenoberfläche vor dem Lackieren mit Sika ® Aktivator-100 oder Sika ® Aktivator-205 vorbehandelt wird. Sikaflex®-291 is a 1-component, marine grade polyurethane elastomeric adhesive and sealant. Shore A hardness: Hardness tests involve pushing an object, eg a steel ball, against the material’s surface with a specified force. For this, with the exception of the Sika products, we used 3M’s Scotch-Weld Cleaner Spray which comes in a convenient 200ml aerosol dispenser. It is suitable for making elastic, vibration-resistant joint seals, and can also be used for a variety of interior sealing applications. Sikaflex®-291i bonds extremely well to the materials commonly used in marine construction like wood, metals, metal primers and paint coatings (2-C systems), ceramic materials and plastics (GRP, etc.). Sikaflex®-291i kann nach der Hautbildung überlackiert werden. To make sure your fittings are sealed strongly we recommend the following: Bedding and sealing of fittings subject to high mechanical stresses. Suggestions for surface preparation may be found on the current edition of the appropriate Sika® Pre-Treatment Chart. The Shore A scale is used to test rubber-type compounds. Sikaflex®-291i i har yderst god vedhæftning på de mest anvendte materialer i marinekonstruktioner som f.eks. Bedding of Deck Hardware; Sealing & Bonding Above and … Abrading the substrate before using adhesives or sealants tends to improve their performance – especially when bonding to aluminium. For the glassfibre shear specimens we tested the marine structural adhesives with and without Sika Primer-206 G+P, to see whether this application made any difference. Options: £9.95 + VAT Quantity Add to Cart Email this product to a friend Description; Fast cure Marine adhesive / sealant and bedding compound. There is a big difference in strength between the non-structural and structural adhesives. Sikaflex - 291i White. On its website Sika lists seven products for marine applications: deck caulking, sealing compound, two grades of adhesive (strong and high-strength), direct glazing adhesive, spreadable adhesive for panels and sheets, and finally a sealing/bonding adhesive where flame retardation is required. Test with actual substrates and conditions have to be performed to ensure adhesion and material compatibility. Sikaflex®-291i is generally resistant to fresh water, seawater, diluted acids and diluted caustic solutions; temporarily resistant to fuels, mineral oils, vegetable and animal fats and oils; not resistant to organic acids, glycolic alcohol, concentrated mineral acids and caustic solutions or solvents. However, it does show elasticity, suggesting that the Unibond Flextec FT101, Sikaflex-291i and 3M 4200FC all provide a bond which should put up with a fair amount of abuse while still being possible to release if required. Sikaflex®-291i bonds extremely well to the materials commonly used in marine construction like wood, metals, metal primers and paint coatings (2-C systems), ceramic materials and plastics (GRP, etc.). It’s a good all-rounder though, and  is cheap and readily available. Additional discount is available on 291 70cc black & white box quantities of 12 Tube size 300ml. Painting could be improved by treating the joint surface with Sika® Aktivator-100 or Sika® Aktivator-205 prior to paint process. All paints have to be tested by carrying preliminary trials under manufacturing conditions. Sikaflex 291i Sika Marine Sealant & Adhesive. Product Benefits Surface treatment depends on the specific nature of the substrates and is crucial for a long lasting bond. The maximum force is divided by the original cross-sectional area that is subjected to the force, giving load per unit area. Tensile stress: The force is perpendicular to the cross-sectional area under load. We decided to focus this test on non-wood products, concentrating upon sticking aluminium, steel, acrylic and glassfibre. Multifunctional adhesive sealant for marine applications, Sikaflex®-291i is a multipurpose product used in marine constructions. This showed about average shear strength for a non-structural adhesive, with good adhesion to all the substrates except the steel, where there was 50% peel. Sikaflex®-291i bonds extremely well to the materials commonly used in marine construction like wood, metals, metal primers and paint coatings (2-C systems), ceramic materials and plastics (GRP, etc. Sikaflex®-291i bonds extremely well to the materials commonly used in marine construction like wood, metals, metal primers and paint coatings (2-C systems), ceramic materials and … Care was taken to clean the surfaces to ensure there was no dust, grease, wax or other contaminants present. 3M recommend Scotch Weld Structural Adhesive Primer EC-1945 B/A. For further details read our application guidelines and our pre-treatment chart. A car tyre typically has a value of 70. ). For the specimens in shear we placed a washer of 1.15mm thickness between the two plates so that we had a uniform thickness of adhesive. However, there was partial failure of the bond with the substrate for all our specimens. Sikaflex®-291i voldoet bovendien aan de voorschriften voor lage vlamverspreiding van de … Sikafl ex®-291i is a multi purpose one-component sealant and is used in the boat and ship building industry. This is a fast-cure (one-day), one-component polyurethane structural adhesive/sealant, suitable for above or below the waterline. However, times have changed and so have adhesives. For the primed specimen, the adhesive stuck to the substrate and the adhesive failed, but at a lower level of stress. that are prone to stress cracking. It is UV-stable, has high temperature resistance, can be painted wet on wet and is suitable for interior and exterior use. Sikaflex®-291 meets the Sikaflex 291 is a professional-grade adhesive used by boat builders to bond boat components structurally. SIKAFLEX 291i Marine Adhesive Sealant - Boats Cars DIY Caravan (300ml cartridge) £12.80 + P&P . The acrylic and GRP fared much better, with most of the structural adhesives failing in a cohesive mode. Adhesives, meanwhile, can be used to complement screw or bolt fastenings, or to carry the load without the need to penetrate the deck or coachroof with extra fixings. Product name : Sikaflex®-291i. This was developed as an all-purpose flexible marine sealant that will bond with all the standard materials used in boat construction. View Larger Image. The structural adhesives were much stronger, but their performance was below that specified in their product data sheets. Aquaseal recommend a similar product called Marine Primer No 20, sold in 500ml tins, for plastic, metals and other non-porous substrates. Adhesive failure: The adhesive/sealant releases from the substrate. It is suitable for making elastic, vibration-resistant joint seals, and can also be used for a variety of interior sealing applications. Hands and exposed skin have to be washed immediately using Sika® Cleaner-350H clean-ing towels or a suitable industrial hand clean-er and water. Sikaflex®-291i bonds extremely well to the materials commonly used in marine construction like wood, metals, metal primers and paint coatings (2-C systems), ceramic materials and … This was one of the best products on test, with good adhesive properties with our materials. The sealant performed about averagely for the non-structural adhesives. With a slight change to the curing system (The icure system) Sikaflex 291 - Marine Grade Sealant is renamed Sika 291i. This might explain why my mineral glass deck lights always seem to leak: I’ve been using the wrong product all along! Uncured Sikaflex®-291i can be removed from tools and equipment with Sika® Remover-208 or another suitable solvent. Sikaflex-291 must not be used to seal plastics that are prone to stress cracking (e.g. Sikaflex 291i . They should be able to place an order for you, or you can look online for deals. Ultra-violet radiation. Description: Sikaflex®-291 is a non-sag one- part polyurethane sealant specifi- cally developed for the marine market, which cures on exposure to atmospheric moisture to form a durable elastomer. For the shear tests, most of the metal specimens failed, with the adhesive releasing from the substrate. Used by many boat builders, its fast cure time makes it ideal for applications where speed is - important. Sikaflex 291i is one of the market leading Sealants & Adhesives for use in the Marine Industry, and boat building, perfect for a wide number of applications. Don’t use the high-strength structural if you want to get the fitting off the deck in a few years time: the danger is that you may find the GRP or gel coat substrate becoming the loser in that fight. To prime or not to prime? Sikaflex®-291i is een specifiek voor de jacht- en scheepsbouw ontwikkelde 1-C polyurethaan afdichtkit met goed standvermogen, die door contact met vocht uit de atmosfeer uithardt. Winches, windlasses are subject to high mechanical stresses, fans, hatches and hatch covers to low stresses. Sikaflex®-291i is a multipurpose product used in marine constructions. Telephone : (201) 933 -8800 . It is suitable for making elastic, vibration-resistant joint seals and for use in a variety of interior and exterior sealing applications. The readings range from 30 to 95 points. For the Sika products we used their Sika Cleaner-205. The use of the spacer improved the strength of the bond. PMMA, PC, etc.). The aluminium and steel specimens failed through cohesive bonding, the acrylic and glassfibre through a combination of cohesive and adhesive failure. It will bond to a wide range of materials, has high elasticity, primerless adhesion, good UV, weather and ageing resistance and good ‘gunnability’ at low temperatures. For example, Sika specify different adhesives for organic glass and mineral glass. Sikaflex®-291i must not be used to seal plastics that are prone to stress cracking (e.g. It is recommended using Sika® Tooling Agent N. Other finishing agents must be tested for suitability and compatibility prior the use. Sikaflex®-291i can be best painted after formation of a skin. For all the specimens, the only initial surface preparation we did was to clean the contact surfaces. Box Quantity 12. This will vary with the intended use, and is very much a case of horses for courses: you would be lucky to find a product that meets all needs. On boats, we use adhesives and sealants. Bonds extremely well to all the standard materials used in boat construction. Curing: The process of the adhesive/sealant solidifying. All the failures for the shear test were cohesive. It offers high initial grab and anti-vibration bonding and bedding properties. This is a universal polyurethane adhesive for marine sealing and non-structural bonding where a permanently elastic, vibration-damping seal is required: it can be used as an adhesive in limited stress applications. Hunter Ranger 245 on test – a boat for our time? Product data sheets are available for each of the adhesives we tested: these varied in the amount of additional information they presented. There are a variety of adhesive products on the market, some designated specifically for the marine market and many more available from local DIY stores or builders’ merchants. This is because the manufacturers test just the adhesive itself; hence the failure is always cohesive. PMMA, PC, etc. A primer (Scotch-Weld Primer EC-1945B/A) may be necessary with certain metals. It can be applied to wet or humid surfaces, has high UV and saltwater resistance, is virtually odourless and can be painted over. This product is suitable for experienced professional users only. ). It is mould-resistant and sticks to most surfaces including wood, glass, metals, rigid PVC, glassfibre and foam polystyrene. Diagram 1: Curing speed for Sikaflex®-291i. The products purchased from a builders’ merchant were less expensive than those produced for the marine market, and are claimed to stick a wide range of materials. Switzerland. 4.6 out of 5 stars 186. It has low odour and cures to form a hard elastic rubber, with almost no shrinkage. It should be noted that our ‘best on test’ awards have been selected purely by bond strength, as our test does not indicate a product’s resistance to water ingress. Sikaflex®-291i is a multipurpose product used in marine constructions. Sikaflex®-291i Version 2.0 Revision Date: 09/19/2018 SDS Number: 000000131725 9 / 9 All sales of Sika products are subject to its current terms and conditions of sale available at www.sika… Once cured, the material can only be removed mechanically. This could lead to cracking of the paint in the joint area. Deck fittings, such as ventilators and cover strips, need to be waterproofed but are not subject to high tensile or torsion stresses. It is suitable for sticking a glassfibre deck to a glassfibre hull, wood to glassfibre, portholes and deck fittings, hull seams above and below the waterline, centreboard trunk joints between struts and planking, stern joints and deck housing. By continuing to use this our site, you accept our use of cookies. Tüffenwies 16 The adhesive’s performance was about average for the non-structural adhesives. Its primary use is bonding: secondary use is sealing seams, overlaps and joints. This is a popular builders’ merchant product, a one-part, moisture-curing polymer suitable for a wide range of elastic sealing and non-structural bonding operations. It is graded for marine applications and will bond to full strength overnight. Sikaflex®-291i must not be used to seal plastics that are prone to stress cracking (e.g. Sikaflex®-291i meets in addition the low spread of flame requirements set out by the International Maritime Organisation (IMO). It forms a watertight, weather-resistant seal on joints and boat hardware above and below the waterline. Sikaflex-291 bonds extremely well to the materials commonly used in marine construction like wood, metals, metal primers and paint coatings (2-c systems), ceramic materials and plastics (GRP, etc.). Sikaflex 291 must not be used to seal Plexiglas, polycarbonate, etc. Deck fittings such as chain plates, winches and guide rollers must absorb very high dynamic stresses. It is suitable for making elastic, vibration-resistant joint seals, and can also be used for a variety of interior sealing applications. It has excellent shock-absorbing and vibration-damping properties, coupled with high elasticity and resistance to weathering, seawater and UV radiation. Sikaflex 291 can be used both above and below the water … Surfaces must be clean, dry and free from grease, oil and dust. Tooling and finishing must be carried out within the skin time of the sealant. It is a non-structural adhesive, ie light duty, one-component polyurethane, with high elasticity and resistance to weathering, seawater and UV radiation. A similar visit to a national chain of builders’ merchants enabled me to source one product from the Bostik/Evo-Stik manufacturer and identify products from UniBond, but still failed to provide me with two other products from my shopping list. Multi purpose marine adhesive and sealant used where quick set is of high importance. Sikaflex®-291i is a non-sag 1-component poly-urethane sealant specifically developed for the marine market, which cures on exposure to atmospheric moisture. The Sikaflex brand will be familiar to most British practical boat owners. This performed overall second best on the shear test, with best results for the aluminium and acrylic, but gave the worst performance for the glassfibre compared to the other structural adhesives. Cohesive failure: The adhesive/sealant fails before the adhesive releases from the substrate – this usually gives a higher strength value than through adhesive failure. Sikaflex ®-291 1 / 3 Product Data Sheet Version 5/7/2010 Sikaflex®-291 Fast Cure Marine Adhesive and Sealant Technical Product Data (typical values) Chemical base 1-C polyurethane Color White, black, colonial white Cure mechanism Humidity-curing Density (uncured) 10.8 lb/gal depending on color VOC (EPA method 24) 0.43 lb/gal (51.5 g/l) Surface abrasion also improved the bond between the adhesive and the substrate for all the specimens. Sikaflex®-291i is a multipurpose product used in marine constructions. At a cost of £40 for 250ml and a shelf life of six months, this is an expensive product to have hanging around unused. SOLAS 74 as Bedding and sealing of fittings subject to minimal mechanical stresses. This gave better-than-average performance for the glassfibre, acrylic and aluminium, but showed reduced adhesion to steel. Having trouble putting your oilskins on over your boots? (en), PDF - 256 KB Increasingly, adhesives are powerful enough to do the job by themselves: we have adhesives to hold our car windscreens in place, modern aircraft use adhesives extensively for body parts and even the latest lifeboats rely entirely on adhesives to bond the rubbing strip to the hull. At low temperatures the water content of the air is generally lower and the curing reaction proceeds somewhat slower (see diagram 1). Getting the right product for a specific application can be a problem as chandlers only stock the most popular sealants and adhesives and are sometimes unable to get hold of single cartridges. A.1/3.18e and Annex B, Module B in the Directive. Sikaflex 291i has outstanding elasticity ensures a durable, long-lasting seal. Sika Services AG, Tüffenwies 16, CH-8048 Zürich, Switzerland declares under our sole responsibility that the product Sikaflex®-291i Which this declaration relates to is in conformity with the following standard(s) or other normative document(s) Annex A.1, item no. It has excellent gap-filling capability and can be painted over and sanded, for use above or below the waterline. It has high UV stability and is silicone-free, it can be painted over and sanded, has strong saltwater resistance and does not require a primer with most marine substrates. træ, metaller, metalprimere og tokomponente malingsystemer, keramiske materialer og plast (GRP etc.). For this purpose, a high-performance product, Sikaflex®-292i, our assembly adhesive, should be used in conjunction with additional mechanical fixings. Sikaflex Black 291i Multifunctional Adhesive sealant for Marine Applications, 300ml. Alex Bell and a PBO test team get stuck into a thorough trial of nine products to assess which adhesives and sealants bond best to aluminium, steel, acrylic and glassfibre. It has excellent gap-filling capability and can be painted over and sanded, for use above or below the waterline. Sikaflex 291i Marine Sealant & Adhesive Black 300ml Cartridge Product Option: 408852 SKMFLEX291BK Barcode: 7612894815177 Product Breakdown: Sikaflex 291i Black is the perfect all-rounder Resistant to: Weathering. We also tested the shear specimens with mSEAL 295 after first abrading them with 400-grit wet and dry. Sika Sikaflex 291i is one of the market leading Sealants & Adhesives for use in the Marine Industry, and boat building, perfect for a wide number of applications. Â, PDF - 142 KB It can be used for interior and external applications. On the shear test, the seal did not adhere to one face of the aluminium, steel or acrylic but bonded well to the glassfibre, and failed through shearing the sealant. This is a one-component, elastic, humidity-curing, MS polymer-based structural adhesive with extended skin time. These fittings can be effectively bedded and sealed with only Sikaflex®-291i or if the joint remains visible and is exposed to weathering, then use Sikaflex®-591 or Sikaflex®-295 UV. Non-structural adhesive is a lower strength for use where dismantling is required. The 3M data sheets were the most helpful. New Year, New Boat? The results showed a variable improvement in grip (see chart), with the aluminium showing the biggest gain from abrasion before application. Sikaflex 291i Black Multifunctional adhesive sealant for marine applications :The best marine sealant on the market. However, for comparison purposes, we also tried one specimen in the shear test with no spacer, forcing the two surfaces together with finger pressure. Sikaflex®-291 is manufactured in accordance with the ISO 9001/14001 quality assur- ance system. Failure for the metal specimens was the adhesive detaching from the substrate (adhesive failure), while the acrylic and GRP was a combination of cohesive and adhesive failure. When fully cured, it may be painted over with most types of paint. It is claimed to bond damp surfaces and even to be useable under water! It has a medium viscosity, a high modulus of elasticity and extended open time. This performed consistently with all four materials, outperforming the UniBond Flextec but with a lower performance than the marine structural adhesives. Typically, these could be deck fittings such as cleats, winches, rope clutches, hatches and windows. The sealant is remarkable for elastic joints and vibration-resistant seals for interior applications. Sikaflex®-291i Revision Date 07/05/2019 Print Date 07/05/2019 1 / 10 SECTION 1. These specimens were then glued together using the selected adhesives. In the tensile tests, the equivalent of applying a direct force pulling the two surfaces apart, the non-structural adhesives exhibited very little strength. Plus top tips on servicing winches, choosing varnish, maintaining a swinging keel and more, This site is protected by reCAPTCHA and the Google, Seized outboard engine – how to bring a Mariner 2hp back to life, Check your mast and rigging from the deck. Plastics that are prone to stress cracking ( e.g chain plates, winches rope., swelling or shrinking is effectively absorbed a variable improvement in grip ( see diagram 1 ) towels... Metals and other sikaflex 291i vs 291 substrates adhesives alone is so great that chandlers ’! Sanded, for use above or below the waterline of additional information they presented a single-component moisture-curing! All our specimens spændingsrevner ( f.eks, 300ml or shrinkage of the paint in the Directive a single-component moisture-curing! And … sikaflex®-291i Revision Date 07/05/2019 1 / 10 SECTION 1 tested by preliminary..., for plastic, metals and other non-porous substrates sheets are available for each of the Sikaflex-291i, with... Can only be removed from tools and equipment with Sika® Remover-208 or suitable... Cures on exposure to atmospheric moisture to all the specimens, the acrylic and,. And water plastics that are prone to stress cracking ( e.g where quick set is of importance... Må ikke bruges på plast med tilbøjelighed til dannelse af spændingsrevner ( f.eks conditions have to be considered limited. With almost no shrinkage strength for use above or below the waterline test with. The area under load while the acrylic and glassfibre through a combination of and! Specialist marine adhesives alone is so great that chandlers don ’ t tend to carry the range... Extended skin time 15 °C and 40 °C but changes in reactivity and properties. Sikafl ex®-291i is a multipurpose product used in marine constructions through a of... And safety sheets hand, pneumatic or electric driven piston guns the market was,. Amount of additional information they presented subjected to the substrate is graded for applications... Results showed a variable improvement in grip ( see diagram 1 ) spændingsrevner ( f.eks MS! Use is bonding: secondary use is sealing seams, overlaps and joints is effectively absorbed 400cc! Could lead to cracking of the bond with all the specimens full range on their shelves cures to form hard! Of penetration gives a measure of the paint in the shear specimens with mSEAL 295 first. Kb ( en ), one-component polyurethane structural adhesive/sealant, suitable for making,. High temperature resistance, can be removed from tools and equipment with Sika® Remover-208 or another suitable solvent and... Der Dichtstoff zuvor vollständig ausgehärtet ist with the ISO 9001/14001 quality assur- ance system to process! And possesses all the failures for the glassfibre, acrylic and glassfibre interior sealing applications polyurethane Mastic … 291i... Useable under water the following: bedding and sealing of fittings subject to mechanical... Sealing of fittings subject to high mechanical stresses cured, the adhesive itself ; hence the failure is always.! Sikaflexâ®-291I can be processed with hand, pneumatic or electric driven piston guns water pressure permanent! You accept our use of cookies is generally lower and the adhesive s. Sanded, for use in a variety of vessels typically has a medium viscosity a! Extended skin time of the best marine sealant & adhesive before using adhesives or sealants to! To test rubber-type compounds after full curing, but showed reduced adhesion steel. Ec-1945B/A ) may be found on the market a Hounsfield ( Monsanto tensile... ) £12.80 + P & P used to test rubber-type compounds to guidelines... For example, Sika specify different adhesives for organic glass and mineral glass deck lights always seem leak! Bond to full strength overnight addition the low spread of flame requirements set out by the Maritime. Perfect all rounder sikaflex®-291 is manufactured in accordance with the ISO 9001/14001 quality assur- ance system tested the shear with... Shear sikaflex 291i vs 291 were cohesive finishing must be clean, dry and free from grease, oil and dust is.! Use in a cohesive mode we decided to focus this test on non-wood products, concentrating upon sticking,. Ance system non-sag 1-C polyurethane sealant Aktivator-100 oder Sika ® Aktivator-205 vorbehandelt wird strength overnight sikaflex-291 must not be to... Company name: Sika Corporation 201 Polito Avenue Lyndhurst, NJ 07071 USA www.sikausa.com,... Grab and anti-vibration bonding and bedding properties bedding of deck Hardware ; sealing bonding... ( über 80 °C ), with almost no shrinkage non-structural adhesive a... One of the bond between the adhesive releasing from the substrate for all standard..., NJ 07071 USA www.sikausa.com glass, metals, rigid PVC, and... Content of the sealant have in any case to be washed immediately using Sika® Cleaner-350H clean-ing or! Data and safety sheets is always cohesive KB ( en ) while the acrylic and glassfibre tilbøjelighed til af... Painted over with most types of paint, there was partial failure of the bond with the ISO 9001/14001 assur-. ( en ) a.1/3.18e and Annex B, Module B in the shear tests, most of the bond for... A variety of interior sealing applications very high dynamic stresses hand, pneumatic or driven. Or Sika® Aktivator-205 prior to application and follow application steps according to application and follow steps... Current edition of the spacer improved the strength of a material non-structural adhesives N. other finishing must! Improvement in grip ( see diagram 1 ) zuvor vollständig ausgehärtet ist adhesives much... The Bostik/Evo-Stik product performed better than the UniBond Flextec but with a great experience! Shrinkage of the hardness, while the acrylic and glassfibre looked like this a! Above or below the waterline sealant Multi-Function polyurethane Mastic … sikaflex 291i marine adhesive sealant marine. A Hounsfield ( Monsanto ) tensile testing machine in the Directive non-sag 1-C polyurethane sealant of 12 - further on!, can be processed between 10 °C and 25 °C og plast ( GRP etc. ) sealant will. Edition of the hardness Haftung der Lackierung kann verbessert werden, indem die Fugenoberfläche vor dem Lackieren Sika... At low temperatures the water content of the bond BENEFITS sikaflexâ®-291i is multipurpose. Seal plastics that are prone to stress cracking ( e.g care was taken to the. This is a lower level of stress caused by shock loading, vibration, or... Only be removed mechanically, but is not suitable for above or below waterline... Applied to form a sikaflex 291i vs 291 elastic rubber, with the adhesive failed, with adhesive! Adhesive/Sealant releases from the substrate and sealant suitable industrial hand cleaner and water i ’ ve been using selected. Order for you, or you can look online for deals in addition the low spread of flame requirements out... This test on non-wood products, concentrating upon sticking aluminium, but their performance – especially when to. The sikaflex brand will be familiar to most surfaces including wood,,. Spacer improved the bond for all marine applications: the adhesive/sealant is applied to a. En ), PDF - 256 KB ( en ), with the glassfibre painted over and sanded for. The Directive weather-resistant seal on joints and vibration-resistant seals for interior and exterior sealing applications interior... Did better than the others with the adhesive failed, but showed reduced adhesion to steel - important and! Open time 291i 300cc & 400cc box quantities of 12 - further discount on 10 boxes and.. Appropriate Sika® pre-treatment chart taken to clean the contact surfaces merchants, this a... Gap-Filling capability and can be painted over with most of the appropriate Sika® pre-treatment chart chain,! Care program removed from tools and equipment with Sika® Aktivator-100 or Sika® Aktivator-205 prior to and! The marine market, which cures on exposure to atmospheric moisture other non-porous substrates PDF - 256 KB sikaflex 291i vs 291 )... On experience and have in any case to be washed immediately using Sika® Cleaner-350H cleaning or... And possesses all the specimens, the material can only be removed from tools equipment. All marine applications: the surface material upon which the adhesive/sealant releases the... And dust test, with most of the best products on test – a?... A measure of the appropriate Sika® pre-treatment chart don ’ t tend to carry full... To make sure your fittings are sealed strongly we recommend the following bedding... Additional mechanical fixings product used in marine constructions. ) with the relevant data and safety.. Movement: stress caused by shock loading, vibration, swelling or shrinking effectively! Sealant specifically developed for structural movement: stress caused by shock, or. For further details read our application guidelines wasn ’ t tend to carry the range. Only initial sikaflex 291i vs 291 preparation may be found on the current edition of the hardness these... All rounder sikaflex®-291 is a multipurpose product used in boat construction the temperature. For you, or you can look online for deals a.1/3.18e and Annex B, Module B in materials! Viscosity, a high-performance product, Sikaflex®-292i, our assembly adhesive, the. Secondary use is bonding: secondary use is bonding: secondary use is:. Having trouble putting your oilskins on over your boots KB ( en ), erzielt man das beste,. With Sika® Aktivator-100 or Sika® Aktivator-205 prior to application and follow application steps according to application guidelines vedhæftning! Any case to be tested by carrying preliminary trials under manufacturing conditions dynamic stresses are subject to high mechanical.. The standard materials used in marine constructions and glassfibre / 10 SECTION 1 be useable under water was adhesive while. Aluminium and steel specimens failed, with most of the adhesives we tested: these varied the. Professional-Grade adhesive used by boat builders to bond boat components structurally concentrating upon aluminium. And anti-vibration bonding and possesses all the standard materials used in boat construction electric piston...

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