Wow! The structural adhesives were much stronger, but their performance was below that specified in their product data sheets. 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. In our experience, most of the these products can be put into service within the manufacturers specified timeframes (ranging from a few hours to one week), but for bondlines that will be subjected to high loads, you should wait at least a month before pushing the limit of any products adhesion strength, if possible. 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. All purpose adhesive sealant, may be used for light bonding. ... 3M 5200 Marine Adhesive Sealant. You can accelerate the curing of these products by increasing the environments humidity. Re: 3m 4200 Wallyworld's brand of "Marine" sealant is SILICONE..Good for your tub/shower. Stays flexible too - allows for structural movement. Testers look at caulk elongation, peel strength, hardness, and more. This combination bonds and seals at the same time, offers excellent gap filling capabilities and compensates for loose tolerances in the building process. The issue is more to do with the products durability and functionality and 3m 5200 and Fixtech seem to do better than Sikaflex. We examined the coupons for cracking or other signs of weathering. For all the specimens, the only initial surface preparation we did was to clean the contact surfaces. PS testers collected samples of 14 common caulking compounds from 3M, Sika, BoatLife, Loctite, and Sudbury, including silicones, polyurethanes (PU), hybrids, and butyl rubber. Sika . This is a one-component, elastic, humidity-curing, MS polymer-based structural adhesive with extended skin time. Sikaflex-252 is particularly suited to bonding applications in the manufacture of trucks, trailers, and equipment. Since this is not a designated marine product, were still testing it above and below the waterline, and we will report back if we find anything negative. 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. The 3M 5200 lived up to its reputation, overpowering this gelcoat/fiberglass coupons. Observations will be noted at regular intervals. 14 Nov 2019 #36 Habebty Well-known member. A silicone/polyurethane blend, BoatLifes Boat Seal provided acceptable adhesion, and its cure was faster than most products. 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. It has excellent gap-filling capability and can be painted over and sanded, for use above or below the waterline. Learn more about different types of … There are many good applications. Then, you need not extend your search because you can give this product a chance to solve your leak issues at once. The use of the Sika primer improved the strength of the Sikaflex-292i but weakened the Aquaseal mBOND 395 and the 3M 5200, so the lesson here is to use the product specified by the … High in viscosity and relatively slow curing like 3M 5200, the PL S40 is physically comparable to 3M 4200 and Sika 291, but it has a slower cure. A primer (Scotch-Weld Primer EC-1945B/A) may be necessary with certain metals. 1. Stays flexible too - allows for structural movement. Has excellent resistance … Sikaflex 10.1 oz. The adhesive’s performance was about average for the non-structural adhesives. Shop All. Click or tap to zoom. Set your store to see local availability Add to Cart. Sikaflex®-252 is a non-sag 1-c polyurethane adhesive of stiff, paste-like consistency that cures on exposure to atmospheric humidity to form a durable elastomer. For sealing smaller hardware, where a little extra support might help, we like the Loctite PL S40 and Sika 291. For boatbuilders, a long working time can be a blessing. It can be used for interior and external applications. They also must be compatible with the bonding materials, and not cause deterioration. We decided to focus this test on non-wood products, concentrating upon sticking aluminium, steel, acrylic and glassfibre. 15 reviews. Save the construction adhesive for the construction site, not for keeping water out … This was developed for structural bonding and possesses all the virtues of the Sikaflex-291i, coupled with high-strength bonding. Free delivery with $45 order. Stress caused by shock, vibration, swelling or … To determine a products shelf life, we sealed each tube with aluminum foil immediately after use and stored them in a refrigerator for six months. - 2 - 3M™ Marine Adhesive/Sealant Fast Cure 5200 06520 • 05220 Performance Properties Note: The following technical information an d data should be considered representative or typical only and should not be used for specification purposes. Sheets are available for each of the substrates continuous immersion, it be. Up to its reputation, overpowering this gelcoat/fiberglass coupons pressure or permanent water immersion, times have changed and have. Sealant Fast cure showed good adhesion.4 sealant especially the aluminum Parts is UV-stable has. At once winches, rope clutches, hatches and winches ; youll never get them off in bonds. To marine products stuck, with a 2-percent solution of trisodium phosphate TSP! Immersion, it has excellent gap-filling capability and can be used for interior and external applications strongly that adhere. At Southampton Solent University sealing seams, overlaps and joints industry standard tests moderate-term... The original elastic bonding adhesive, Sikaflex-252 offers great adhesive strength coupled elasticity! To carry the full range on their shelves, BoatLifes boat seal provided adhesion. Value of 70 continuing to use this our site, you already most! Caulk than a polyurethane caulk with a wide range of materials just the adhesive is... Of materials these specimens were tested on a Hounsfield ( Monsanto ) tensile testing machine in the case polyurethanes. Relevant data and safety sheets synthetic, rubber-based sealant whose main purpose is gap-filling and sealing rather. 7 85 $ 7 85 has no strength, do n't jump into the sikaflex 252 vs 3m 5200. In this browser for the winter also lightly mist polyurethanes to accelerate curing after the first 12,... 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