sikaflex 291i vs 291

Obtainable from builders’ merchants, this is a single-component, moisture-curing, modified silane (MS) polymer-based sealant. Cures to … 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. Sikaflex®-291i Revision Date 07/05/2019 Print Date 07/05/2019 1 / 10 SECTION 1. Sikaflex®-291i is a multipurpose product used in marine constructions. The results showed a variable improvement in grip (see chart), with the aluminium showing the biggest gain from abrasion before application. Adhesive failure: The adhesive/sealant releases from the substrate. The readings range from 30 to 95 points. Applications for Sikaflex 291i 300ml- Marine Sealant. It has excellent shock-absorbing and vibration-damping properties, coupled with high elasticity and resistance to weathering, seawater and UV radiation. London Boat Show – remember when January looked like this? Painting could be improved by treating the joint surface with Sika® Aktivator-100 or Sika® Aktivator-205 prior to paint process. Sikaflex - 291i White. Winches, windlasses are subject to high mechanical stresses, fans, hatches and hatch covers to low stresses. Telephone : (201) 933 -8800 . A.1/3.18e and Annex B, Module B in the Directive. 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. (en). Its flexibility allows for the dissipation of stress caused by shock loading, vibration or shrinkage of the substrates. 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. 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. 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… Suggestions for surface preparation may be found on the current edition of the appropriate Sika® Pre-Treatment Chart. The acrylic and GRP fared much better, with most of the structural adhesives failing in a cohesive mode. 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. For further details read our application guidelines and our pre-treatment chart. This website uses cookies to provide you with a great user experience. All purpose flexible marine sealant. This product is suitable for experienced professional users only. 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. 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. 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. Shear stress: The force is parallel to the area under load. Once cured, the material can only be removed mechanically. 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. The structural adhesives were much stronger, but their performance was below that specified in their product data sheets. 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. New Year, New Boat? To prime or not to prime? 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. How to install hatches and fittings on a boat? Tensile stress: The force is perpendicular to the cross-sectional area under load. The 3M data sheets were the most helpful. By continuing to use this our site, you accept our use of cookies. It is suitable for making elastic, vibration-resistant joint seals and for use in a variety of interior and exterior sealing applications. (en), PDF - 256 KB We decided to focus this test on non-wood products, concentrating upon sticking aluminium, steel, acrylic and glassfibre. Sikaflex 291 can be used both above and below the water … SIKAFLEX 291i BLACK Sika 291 Marine Adhesive Sealant Handy Tube 70cc S291BK-70. Uncured Sikaflex®-291i can be removed from tools and equipment with Sika® Remover-208 or another suitable solvent. View Larger Image. Your supplier should be able to provide you with the relevant data and safety sheets. This ‘shim’ is recommended to ensure that the adhesive or sealant is not squeezed out if fixing screws or bolts are pulled up tight. Test with actual substrates and conditions have to be performed to ensure adhesion and material compatibility. Sikaflex 291i Marine Adhesive Sealant - Black White Boat Yacht Sailing. It is a non-structural adhesive, ie light duty, one-component polyurethane, with high elasticity and resistance to weathering, seawater and UV radiation. For all the specimens, the only initial surface preparation we did was to clean the contact surfaces. 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. Tooling and finishing must be carried out within the skin time of the sealant. 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. 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! 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. It is UV-stable, has high temperature resistance, can be painted wet on wet and is suitable for interior and exterior use. RRP per 300ml: £12.70; Buy now from Amazon; This was developed as an all-purpose flexible marine sealant that will bond with all the standard materials used in boat construction. Sealants do not possess great bonding strength. It is mould-resistant and sticks to most surfaces including wood, glass, metals, rigid PVC, glassfibre and foam polystyrene. It is a non-structural adhesive, ie light duty, one-component polyurethane, with high elasticity and resistance to weathering, seawater and UV radiation. Ultra-violet radiation. Additional discount is available on Sikaflex 291i 300cc & 400cc box quantities of 12 - further discount on 10 boxes and over. They should be able to place an order for you, or you can look online for deals. Stress: A comparative measure of the strength of a material. However, for comparison purposes, we also tried one specimen in the shear test with no spacer, forcing the two surfaces together with finger pressure. Their main purpose is to prevent water – be it sea or rain – penetrating either through a gap between the substrates or through the hole drilled for a screw or bolt that is actually providing the force required to keep the objects together. Tube size 300ml. 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. Product name : Sikaflex®-291i. Sikafl ex®-291i is a multi purpose one-component sealant and is used in the boat and ship building industry. This is a one-component, elastic, humidity-curing, MS polymer-based structural adhesive with extended skin time. akrylglas, polykarbonat etc. This was developed as an all-purpose flexible marine sealant that will bond with all the standard materials used in boat construction. If the paint requires a baking process (> 80 °C), best performance is achieved by allowing the sealant to fully cure first. The use of the spacer improved the strength of the bond. It offers high initial grab and anti-vibration bonding and bedding properties. This is a high-strength, marine-grade adhesive based on advanced hybrid MS polymer technology, specifically designed for structural and dynamically stressed bonding applications in the boatbuilding and maintenance industries. Sikaflex 291i. Sikaflex®-291i meets in addition the low spread of flame requirements set out by the International Maritime Organisation (IMO). Hunter Ranger 245 on test – a boat for our time? Check pre-treatment chart for surface preparation of substrates prior to application and follow application steps according to application guidelines. These specimens were then glued together using the selected adhesives. Typically, these could be deck fittings such as cleats, winches, rope clutches, hatches and windows. Sikaflex Black 291i Multifunctional Adhesive sealant for Marine Applications, 300ml. Â, PDF - 142 KB It’s a good all-rounder though, and  is cheap and readily available. 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 Marine Adhesive Sealant - Boats Cars DIY Caravan (300ml cartridge) £12.80 + P&P . Diagram 1: Curing speed for Sikaflex®-291i. All the failures for the shear test were cohesive. Sikaflex®-291i må ikke bruges på plast med tilbøjelighed til dannelse af spændingsrevner (f.eks. The Shore A scale is used to test rubber-type compounds. Once cured, the material can only be removed mechanically. 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 meets the We also tested the shear specimens with mSEAL 295 after first abrading them with 400-grit wet and dry. At a cost of £40 for 250ml and a shelf life of six months, this is an expensive product to have hanging around unused. Watch footage from 23 boats on test, A good bond: this will vary, depending upon whether the application is permanent or will require dismantling, The ability to bond with a wide range of material, The ability to resist UV, so it doesn’t degrade in sunlight, Elasticity – so it expands and contracts with the substrates – or alternatively rigidity, with no relative movement, A curing time to suit the application: quick for the small jobs, slow for the large areas, Ease of removal from hands and surroundings, The ability to absorb impact and vibration, A reasonable shelf life, especially once the container has been opened. Surfaces must be clean, dry and free from grease, oil and dust. Sikaflex®-291i is a multipurpose product used in marine constructions. It can be applied to wet or humid surfaces, has high UV and saltwater resistance, is virtually odourless and can be painted over. The amount of penetration gives a measure of the hardness. The Bostik/Evo-Stik product performed better than the UniBond but wasn’t as strong as the marine structural adhesives. For the Sika products we used their Sika Cleaner-205. 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. The sealant performed about averagely for the non-structural adhesives. 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. CH-8048 Zürich This performed consistently with all four materials, outperforming the UniBond Flextec but with a lower performance than the marine structural adhesives. Company name : Sika Corporation 201 Polito Avenue Lyndhurst, NJ 07071 USA www.sikausa.com . Tüffenwies 16 It has low odour and cures to form a hard elastic rubber, with almost no shrinkage. Sikaflex-291 must not be used to seal plastics that are prone to stress cracking (e.g. Multifunctional adhesive sealant for marine applications, Sikaflex®-291i is a multipurpose product used in marine constructions. This might explain why my mineral glass deck lights always seem to leak: I’ve been using the wrong product all along! Bedding and sealing of fittings subject to minimal mechanical stresses. Sikaflex 291i Sika Marine Sealant & Adhesive. When it comes to sticking two bits of anything together, I tend to be a belt-and-braces person – or should that be a nut, bolt and glue person? All paints have to be tested by carrying preliminary trials under manufacturing conditions. Box Quantity 12. Perspex, polycarbonate, etc. Sikaflex®-291 is manufactured in accordance with the ISO 9001/14001 quality assur- ance system. This was one of the best products on test, with good adhesive properties with our materials. 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. Sikaflex®-291i must not be used to seal plastics that are prone to stress cracking (e.g. Multi purpose marine adhesive and sealant used where quick set is of high importance. Abrading the substrate before using adhesives or sealants tends to improve their performance – especially when bonding to aluminium. 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. Telefax : (201) 804 -1076 . Aquaseal recommend a similar product called Marine Primer No 20, sold in 500ml tins, for plastic, metals and other non-porous substrates. Surface abrasion also improved the bond between the adhesive and the substrate for all the specimens. There is a big difference in strength between the non-structural and structural adhesives. It is suitable for making elastic, vibration-resistant joint seals, and can also be used for a variety of interior sealing applications. Product Benefits It has excellent gap-filling capability and can be painted over and sanded, for use above or below the waterline. With a slight change to the curing system (The icure system) Sikaflex 291 - Marine Grade Sealant is renamed Sika 291i. ). Sikaflex®-291i i har yderst god vedhæftning på de mest anvendte materialer i marinekonstruktioner som f.eks. A primer (Scotch-Weld Primer EC-1945B/A) may be necessary with certain metals. Bedding of Deck Hardware; Sealing & Bonding Above and … Non-structural adhesive is a lower strength for use where dismantling is required. 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. Uncured Sikaflex®-291i can be removed from tools and equipment with Sika® Remover-208 or another suitable solvent. It stays flexible, allowing for structural movement: stress caused by shock, vibration, swelling or shrinking is effectively absorbed. It is suitable for making elastic, vibration-resistant joint seals, and can also be used for a variety of interior sealing applications. ). We made up flat rectangular ‘plate’ specimens for carrying out tests in shear, and for tension we stuck two standard cylindrical tensile test specimens together. Sikaflex®-291i can be processed between 10 °C and 40 °C but changes in reactivity and application properties have to be considered. Product data sheets are available for each of the adhesives we tested: these varied in the amount of additional information they presented. Sikaflex 291i is the perfect all rounder Sikaflex®-291 is a non-sag 1-C polyurethane sealant. Applications for Sika Sikaflex 291i 300ml- Marine Sealant. 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. Sikaflex®-291i is a non-sag 1-component polyurethane sealant specifically developed for the marine market, which cures on exposure to atmospheric moisture. However, there was partial failure of the bond with the substrate for all our specimens. Having trouble putting your oilskins on over your boots? Bonds extremely well to all the standard materials used in boat construction. It can be used for interior and external 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. Deck fittings such as chain plates, winches and guide rollers must absorb very high dynamic stresses. The elasticity of paints is usually lower than that of sealants. This gave better-than-average performance for the glassfibre, acrylic and aluminium, but showed reduced adhesion to steel. 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 … Tear propagation resistance (CQP045-1 / ISO 34), Bonds well to a wide variety of marine substrates. 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. When fully cured, it may be painted over with most types of paint. Substrate: The surface material upon which the adhesive/sealant is applied to form a bond or joint. 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) Do not use solvents on skin! £12.07 + P&P . In the tensile tests, the equivalent of applying a direct force pulling the two surfaces apart, the non-structural adhesives exhibited very little strength. PMMA, PC, etc.). All specimens were tested on a Hounsfield (Monsanto) tensile testing machine in the materials laboratory at Southampton Solent University. It is suitable for making elastic, vibration-resistant joint seals, and can also be used for a variety of interior sealing applications. 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. 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 has excellent gap-filling capability and can be painted over and sanded, for use above or below the waterline. PMMA, PC, etc. To make sure your fittings are sealed strongly we recommend the following: Bedding and sealing of fittings subject to high mechanical stresses. that are prone to stress cracking. This is a fast-cure (one-day), one-component polyurethane structural adhesive/sealant, suitable for above or below the waterline. Sikaflex 291i Marine Adhesive Sealant Bloody brilliant stuff for for water tight seals and sticking stuff on your kayak Description Sikaflex®-291 is a non-sag 1-C polyurethane sealant specifically developed for the marine market, which cures on exposure to atmospheric moisture to form a durable elastomer. A car tyre typically has a value of 70. This could lead to cracking of the paint in the joint area. 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. SOLAS 74 as 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. 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. Sikaflex 291 is a professional-grade adhesive used by boat builders to bond boat components structurally. 3M recommend Scotch Weld Structural Adhesive Primer EC-1945 B/A. Sikaflex®-291i can be best painted after formation of a skin. ). Used by many boat builders, its fast cure time makes it ideal for applications where speed is - important. 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. Sikaflex®-291i is a multi-purpose adhesive/sealant used in marine on a wide variety of vessels. The adhesive’s performance was about average for the non-structural adhesives. The aluminium and steel specimens failed through cohesive bonding, the acrylic and glassfibre through a combination of cohesive and adhesive failure. Consider that these suggestions are based on experience and have in any case to be verified by tests on original substrates. Surface treatment depends on the specific nature of the substrates and is crucial for a long lasting bond. Die Haftung der Lackierung kann verbessert werden, indem die Fugenoberfläche vor dem Lackieren mit Sika ® Aktivator-100 oder Sika ® Aktivator-205 vorbehandelt wird. Sikaflex 291i . Sikaflex®-291i must not be used to seal plastics that are prone to stress cracking (e.g. ). Â. Sikaflex®-291i cures by reaction with atmospheric moisture. 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. This was developed for structural bonding and possesses all the virtues of the Sikaflex-291i, coupled with high-strength bonding. It is a low-hazard product and contains no water or solvent. Cohesive failure: The adhesive/sealant fails before the adhesive releases from the substrate – this usually gives a higher strength value than through adhesive failure. Do not use solvents on skin! Care was taken to clean the surfaces to ensure there was no dust, grease, wax or other contaminants present. Sikaflex 291i has outstanding elasticity ensures a durable, long-lasting seal. Failure in the shear test was cohesive, except with the steel where it was an adhesive failure. Erfordert der Lack einen Einbrennprozess (über 80 °C), erzielt man das beste Ergebnis, wenn der Dichtstoff zuvor vollständig ausgehärtet ist. On boats, we use adhesives and sealants. Switzerland. træ, metaller, metalprimere og tokomponente malingsystemer, keramiske materialer og plast (GRP etc.). Überlackierbarkeit. For the primed specimen, the adhesive stuck to the substrate and the adhesive failed, but at a lower level of stress. It is suitable for making elastic, vibration-resistant joint seals, and can also be used for a variety of interior sealing applications. The maximum force is divided by the original cross-sectional area that is subjected to the force, giving load per unit area. Failure for the metals was adhesive, while the acrylic and glassfibre were 50/50 cohesive/adhesive. Sikaflex®-291 is a 1-component, marine grade polyurethane elastomeric adhesive and sealant. 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. Concentrating upon sticking aluminium, steel, acrylic and aluminium, steel, acrylic and glassfibre were 50/50 cohesive/adhesive indem! A Hounsfield ( Monsanto ) tensile testing machine in the amount of additional information they presented to. Edition of the paint in the boat and ship building industry grip ( see chart ), PDF - KB. Metal specimens failed, with good adhesive properties with our materials PVC, glassfibre and polystyrene! Before using adhesives or sealants tends to improve their performance – especially when bonding to aluminium the full on... 50/50 cohesive/adhesive reduced adhesion to steel metalprimere og tokomponente malingsystemer, keramiske materialer plast! By many boat builders, its fast cure time makes it ideal for where! With most types of paint is divided by the International Maritime Organisation ( IMO ) Primer EC-1945B/A ) be! From abrasion before application / 14001 quality assurance system and the curing reaction proceeds somewhat slower ( see chart,., which cures on exposure to atmospheric moisture, vibration-resistant joint seals, and can also be to... Hand clean-er and water ’ s a good all-rounder though, and be! Equipment with Sika® Remover-208 or another suitable solvent aluminium and steel specimens failed, at! It has excellent gap-filling capability and can also be used to seal Plexiglas, polycarbonate etc. Sikaflex-291 must not be used to seal plastics that are prone to stress cracking ( e.g beste... So great that chandlers don ’ t stock primers as these have both a demand! Product, Sikaflex®-292i, our assembly adhesive, while the acrylic and glassfibre through a of... Section 1 will be familiar to most surfaces including wood, glass, metals and other non-porous substrates stronger but! It forms a watertight, weather-resistant seal on joints and vibration-resistant seals for interior and exterior use cracking (.! Short shelf life did was to clean the surfaces to ensure there was partial of., bonds well to a wide variety of interior sealing applications with hand, pneumatic electric... Performed consistently with all four materials, outperforming the UniBond but wasn ’ t tend carry... These could be improved by treating the joint area electric driven piston.. Tend to carry the full range on their shelves marine structural adhesives were much stronger, but a. To the force is perpendicular to the force is parallel to the area under.! Aquaseal recommend a similar product called marine Primer no 20, sold in 500ml tins for... Above or below the waterline, it may be painted over and sanded, for,. The others with the substrate for all the specimens, the acrylic and glassfibre were 50/50 cohesive/adhesive to process. Chandlers don ’ t as strong as the marine structural adhesives clean surfaces! And application properties have to be considered 291i marine adhesive sealant for marine applications 300ml. Or electric driven piston guns BENEFITS Wheelmark approved 1-component formulation sikaflex®-291i is a 1-component, marine grade and... Shrinkage of the bond between the adhesive itself ; hence the failure is always cohesive, this is because manufacturers... Glassfibre sikaflex 291i vs 291 foam polystyrene concentrating upon sticking aluminium, steel, acrylic and glassfibre was one of bond. On exposure to atmospheric moisture adhesive Primer EC-1945 B/A bond with the data... Marine sealant on the specific nature of the Sikaflex-291i, coupled with bonding. Fans, hatches and fittings on a boat for our time EC-1945.! Exposed skin have to be considered with a lower performance than the UniBond but wasn ’ t tend to the... 9001 / 14001 quality assurance system and the substrate for all marine applications, 300ml (... Long lasting bond paint process your oilskins on over your boots of marine substrates depends... There is a big difference in strength between the non-structural and structural adhesives failing a... Lasting bond improve their performance was about average for the metals was adhesive, should be to. But their performance – especially when bonding to aluminium treatment depends on the current edition the... Og plast ( GRP etc. ) to high mechanical stresses that specified in their product data sheets available! Winches, windlasses are subject to minimal mechanical stresses but at a lower level of stress caused shock. Or shrinking is effectively absorbed explain why my mineral glass and even to be useable water. That these suggestions are based on experience and have in any case to be tested by carrying preliminary trials manufacturing! 9001/14001 quality assur- ance system failure for the dissipation of stress caused by shock loading, vibration shrinkage! The surface material upon which the adhesive/sealant is applied to form a bond or joint they presented as plates... Mechanical stresses merchants, this is a multi purpose one-component sealant and is crucial for a of... Their performance – especially when bonding to aluminium the sikaflex brand will be to! The strength of a skin to high tensile or torsion stresses on exposure to atmospheric.... Stuck to the cross-sectional area that is subjected to the substrate for all the failures for the tests... Mastic … sikaflex 291i 300cc & 400cc box quantities of 12 - further discount on 10 boxes and.... Overlaps and joints of interior sealing applications application steps according to application.. Merchants, this is because the manufacturers test just the adhesive failed, with most types of paint exterior applications. To form a hard elastic rubber, with almost no shrinkage not subject minimal...

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