... 3M 06560 Marine Adhesive Sealant 4200 Fast Cure White Polyurethane 1/10 Gallon . The problem is that the two parts, shaped to their own purpose, have different shapes, and it’s rare for the two parts to match exactly. Chemical companies have, however, been modifying this characteristic. Keep the goop where it belongs, under the part or in the tube. Think of the different boats around you in your marina. Today, we have available a whole range of sealants and, though they are designed to do much the same job, each has its own purpose. These longer, more complex chains mesh within each other more intricately, and this gives them greater bonds within the sealant and to other materials. Any time a hole is drilled, even partially, through a solid structure, it provides a place for water to enter. Shop All. But boats and society became more plastic, and boaters demanded more use for less maintenance. 3M 4200 Fast Cure Forms watertight, weather-resistant seals on joints and boat hardware above or below the waterline. . 100% of reviewers recommend this product. Fast Cure 4200 chemically reacts with moisture in the air to bond to wood, gelcoat and fiberglass. At this writing, it comes in any color you want, as long as it’s white, though the rumor mill suggests that black may on be the way. in other words, a sealant. Formulated to allow for disassembly of parts. (See sidebar on Page 15.) The advice usually given about polyurethanes is: if you think you might ever want to take the pieces apart again, use something else. They’ve started selling most of their products in one- and three-ounce toothpaste tubes that fit well in a toolbox and contain just the right amount for the small jobs. This was used to waterproof hulls and rigging back in the days of wooden ships and iron men. 3M 4200 Fast Cure is a one-part general purpose polyurethane sealant with good adhesion to wood, fiberglass, gelcoat, plastic, and metal. It’s still not sandable or paintable, or ultimately as flexible as silicones, but it is more so than the others and doesn’t have the strong odor of the polysulfides. Some are quick-curing, for convenience and to aid in the economics of construction. BoatLIFE Industries 843-566-1225 3M Marine 877-366-2746 Pettit Paint Company 800-221-4466. michael pierzga, Apr 16, 2013 #2. Metal to Fiberglass (Deck & Hull Hardware). Thanks. 3M™ Marine Adhesive Sealant Fast Cure 4200FC is a part of our broad range of adhesive sealants uniquely formulated for the marine market. They’re made of aluminum and mild steel, ferroconcrete, wood (both raw and resin-coated), carbon fiber and graphite, ABS and polyethylene plastics, and fiber-reinforced plastics – whose bonding agents can be polyester, vinylester, or epoxy products. How long can you leave it to cure before the dog walks through it or you have to set sail and thrash it through the ocean? 3M 5200 is a single part sealant that cures to form a firm, rubbery waterproof seal. Like 5200, it can be cleaned up with mineral spirits, though petroleum products won’t affect it once it’s fully cured. Well, I installed a new skeg slider box on my P&H Scorpio LV only to have it fall out 24-hours later when I went to complete the job. (0 members and 1 guests). 5200 3M FAST CURE WHITE 05220 3OZ TUBE ADHESIVE SEALANT MARINE BOATINGMALL EBAY. Designed for marine applications above and below the waterline. 3M™ Marine Adhesive/Sealant 4000 UV is a one-part adhesive sealant that cures to form a firm, rubbery waterproof seal. It is a blend of silicone and polyurethane formulated specifically for use with fiberglass. Remember, that part is intended to be fastened to the hull for a good long time and the space of a couple of hours isn’t going to be much in the life span of the hull. Called Fast-Cure 5200, it has most of the strength of regular 5200, but the cure time is significantly reduced: to tack-free in 1 hour and fully cured in 24 hours – a real plus for manufacturers and others working on small areas with lots of bedding. BoatLIFE says it’ll bond well to glass, a difficult substrate to seal, and they recommend it for use either above or below the waterline. BoatLIFE introduced its Life Seal several years ago. What am I trying to keep from leaking, what is it exposed to, and what am I trying to bond to it? Full cure happens in 2 or 3 days. View on Vehicle $16.99. They will “give” in response to slight shocks and vibrations without tearing or separating from the substrate, and they tend to be chemically impervious. This was usually a pitch- or tar-based material, derived from the same sources as their other building materials. As the performance level of boats increased, as speeds grew larger from more efficient engines and lighter but stronger materials, the stresses and vibrations grew correspondingly. Perhaps the best idea would be to find someone with experience in all of them, pick his brain and make your decision based on your own situation. Boats are already too expensive to be throwing away supplies because of misapplication. What happens is that the part installer becomes too gung-ho and tries to do too much in one day. Tweet Thread Tools: post #1 of 6 Old 08-20-2008, 09:37 PM Thread Starter. They first used sap from trees, boiled to thicken it, and later used steeped and rendered animal by-products, such as cartilage and horn. It's chemical resistance is quite good, so I wouldn't worry about a little spilled milk (or oil). It’s too expensive to use just anywhere, and with a bond strength even greater than that of the polyurethanes, you probably would want to think about exactly how the part so joined was going to be used. Three years later, it is time to follow-up with field observations. “Stockholm tar” is still fondly remembered mostly for its pleasant aroma. Nine times out of 10, I find one of the general bedding products, like Life Seal or 4200, works best. However, they can melt some plastics and acrylics, such as Lexan, and some vinyls can become softened by exposure to their solvents. They are best exemplified by 3M’s well-known 5200, or Sikaflex 292. (When you read about slaves harvesting guano from remote, bird-populated islands a century ago, it was the urea content they were after.) With luck, a polysulfide joint can last 20 years or more, and there are many good old boats out there keeping their integrity because of polysulfide sealants. (There is a story, apocryphal in the industry, about a 35-foot sailboat hull being loaded by a crane onto a trailer. Other chemicals are found on board: fuels and oils, cleaning solvents and waxes. Forms a watertight seal on joints and boat hardware above and below the waterline. $21.25. After the hull had been lifted into the air and settled on the truck, someone noticed that the keelbolts had not been fastened and that the only thing holding the lead ballast keel to the hull was the 5200 applied as sealant.) I am going to be installing a new sounder transducer to my transom ( below water line) so hauling out soon. It’s an acidic compound used in fertilizers, among other things, whose elements combine hydrogen, nitrogen, carbon, and oxygen into long molecular chains, longer than the molecules of silicones and polysulfides. Its flexibility allows for the dissipation of stress caused by shock, vibration, swelling or shrinking. These old products worked reasonably well and (within the technology of the day) demanded no more maintenance than did the rest of the vessel. Like the other two sealants, polyurethanes are blends of other materials in a base, this time urea. As with polysulfides, though, curing times can be speeded up by misting water on the exposed glue line. Cure times are more dependent on temperature and humidity and generally can take one to three days to cure completely, but you can sand them, and they won’t contaminate a surface to be painted. He and his wife sail Penelope, their 1968 Camper-Nicholson 32, from Falmouth, Maine. What to use? 4200FC Fast Cure Marine Adhesive Sealants by 3M®. Early in this century, there was an explosion in the use of sulfur for industrial and medicinal applications as the particular properties of the element were explored. Cure: Relative Humidity Temperature Time Cure Depth Open Time 50% 70°F (21°C) 30 hours N/A Open Time 90% 90°F (32°C) 4 hours N/A And, like that ballast keel, is there a possibility that you might someday need it to really hold? … A modern boat is built of many materials, and the variety of coatings and other chemicals with which it may come into contact are just as varied. vista268. This product is approx. Most of them were put there intentionally: to drain rainwater or to let water flush through, to cool a motor or to flush a head. That hole is probably at least partially filled, either by a screw or a piece of hardware. Recent advances in epoxy technology are starting to increase their utility in boat construction, however. 3M™ Marine Adhesive Sealant 5200 is extremely strong and retains its strength above or below water line. As a result, they bring extreme adhesion to sealants and bond well to most modern boatbuilding materials. Peahead Well-Known Member. Designed for reliable performance, 3M Marine Adhesive Sealant Fast Cure 4200FC provides the strength and flexibility … Remove excess material with 3M TM General Purpose Adhesive Cleaner*, P. N. 08984. The 3M 5200 failed at just 55 psi during the aluminum-bonding trial. Fortunately, manufacturers have become aware of the fact that, while a 10-ounce tube worked well for big jobs and boatbuilders, most of the rest of us waste more than we use by having the stuff harden in the tubes between uses. Purer forms of silicone can allow mold to grow, and this can contribute to rot in wood (as well as a decline in aesthetic appeal) although most used in marine applications have a mildicide mixed in. Like the other silicones, it is not paintable. Tensile and Elongation Test: A 1/8 inch (0.3175 cm) dumbbell specimen with a 1/8 inch (0.3175 cm) square cross section was tested at 2.0 inches/minute What is needed, whenever two or more solid objects are fastened together, is something that will keep even the smallest amount of water out, something to seal the two mating surfaces and dam the trickle before it becomes a flood . For example, 3M has created a new product known as 4200, which has nearly the same strength characteristics as 5200 but lacks the same internal shear strength, so two joined parts can be separated without the usual amount of cutting, wedging, and swearing. This makes it a possible sealant in places where the greatest strength in a bond line is necessary. However, it seems to be a breakthrough in materials technology, one which I think is going to spur a whole development of similar products and one which will really expand our bag of boat repair tricks. Two things can cause a manufacturer to not recommend a sealant for use on a particular material: poor adhesion and chemical attack. You use it as it comes out of the two-part tubes, without the need to mix anything else into the matrix. They are also a lot easier to handle in tight corners than caulking guns. 3M sealants under performed bonding aluminum, acrylic, and polyethylene in testing. Silicones, for instance, are very flexible. In fact, they will retain paint once the solvents have evaporated. The idea is not new. Polyurethanes, though they’ve been around for a while now, are the most recent development of the three and were created to seal and join laminated panels in the aerospace industry. The cure rate is fairly rapid, too, and in most cases the material will be tack-free in a couple of hours. 5. All of them are desig ned to adhere to a surface, cure, and remain flexible. He’s applied the goop, installed the part, cranked down hard on the fastenings, wiped off all the stuff that leaked out around the edges, and gone on to the next piece. It cures to form a firm, rubbery, waterproof seal on joints and boat hardware, above and below the waterline. Deck seam sealants are obviously a large market, because 3M has also developed a new product called Marine Teak and Wood Seam Sealant. The old saw describes a boat as a hole in the water, but the reality is that your boat is full of holes. Posted by Scott Thurston | Maintenance, Projects. The simple answer is materials. But because they were organic, they would eventually dry out or decay. Fuels and oils won’t break them down as fast. Polysulfides are not as elastic as silicones and shouldn’t be used where constant vibration will occur while the part is under stress or expected to flex too much. 3M™ Marine Adhesive Sealant Fast Cure 4200: ... 4200 Fast Cure Tack-Free Time @ 73°F and 50% RH 1-2 Hours Rate of Cure @ 73°F and 50% RH 3/16" (4 mm) per 24 hour Shore A Hardness (ASTM C661) 40 Tensile Strength (ASTM D412) 180 psi (1.24 MPa) Portlights can have tempered glass in them, or Lexan, or Plexiglas, and frames of ABS or metal with rubber or vinyl inserts for linings. The old rule of thumb, When in doubt, prime it out, works just as well for sealants as it does for paint. Shop All. 3M 5200 is fairly hard where cured, but 101 and 4200 are more pliable. They can be affected by common shipboard chemicals, though degradation doesn’t happen immediately to fully cured products. They market it as a product with which to pay the seams in teak decks. In general polysulfides in either one- or two-part mixtures, were the best of the available choices, because until BoatLIFE’s development, silicones weren’t recommended for wood, and the polyurethanes just took too long (and the mess you could create with them was all but permanent). The specialized world of chemicals being what it is, not all of them work as well together as they might. Others have high bond strength, both to the part to which they’re applied and internally, so the adhesion won’t break along the glue line. Called Flexbond Marine Epoxy, it (unlike other epoxy materials on the market) retains a high elasticity component of about 40 percent of volume. A marine-grade silicone also differs from household-use silicone in that it has inhibitors to protect against ultraviolet light degradation and tends to retain its flexibility much longer in the marine environment. There are other products that blur the distinctions between the families of sealants and their properties, and they create even more havoc when you’re trying to decipher the right product for the job. In addition to the 4200 and 5200 products, 3M also makes a 5200 with quicker cure times. Urea is a naturally occurring by-product of metabolism, though now mostly created synthetically. The flexible joint that sometimes develops between a ballast keel and the hull of a sailboat comes to mind, a joint at which no other material seems to hold. At this time I do not recommend painting BilgeKote over 3M 4200–they appear to be incompatible. They say it has good-to-excellent bonding to most materials and recommend it for sealing everything, in fact, except for wooden seams under water. Historical records show that early boatbuilders were confronted by the same problem. The solvents and characteristics of each of the families of sealants have properties that make each one better suited to a particular kind of work. Discussion in 'Saltwater Fishing Forum' started by Peahead, Apr 21, 2011. Over the last several years, the distinction between sealants and adhesives has become blurred, as greater experience with the chemical combinations bridge the gulf between the historical tradeoffs of quick cure and strong bond. As the name suggests, polysulfides are derivatives of the element sulfur, another common earth element. You are somewhat limited by choice, as not all are available in both colors; but all are advertised as having similar imperviousness to chemicals and similar lifespans. They said they preferred to test and recommend on a case-by-case basis. While polysulfides have been the usual treatment for leaky deck seams, this silicone-based product is a classic example of changes in sealant chemistry blurring the lines of distinction between product lines. When fully cured, this high strength marine adhesive remains flexible and suitable for use where shock, vibration, shrinking or swelling are concerns. So follow the general selection chart, but double-check the container and the manufacturer’s selection chart as well. Are you doing deck seams or mounting a through-hull fitting. Sealants form a watertight and airtight seal between two or more surfaces 3M™ Marine Adhesive Sealant Fast Cure 4200FC is a one-component, medium-strength, moisture-curing, gap-filling polyurethane that delivers strong, flexible bonds to aluminum, wood, gelcoat and fiberglass. 3M Marine Adhesive Sealant Fast Cure 4200, 3-oz (6) 4.8 out of 5 stars. But uncontrolled water is the stuff we worry about. Tap to zoom Click or tap to zoom. . The biggest complaint about any sealing job is, “I put two ounces of stuff there, so how come it still leaks?” Invariably, when the autopsy is performed and the part is removed, the sealant that is there is microscopically thin and has failed because there wasn’t enough of it to fill the space. Position parts. You still get the bond you need, but it is much better at flexing with the substrate as the part moves with use. Buy 3M Marine Adhesive/Sealant Fast Cure 4200, 06564, Black, 1/10 Gallon: Tools - Amazon.com FREE DELIVERY possible on eligible purchases One-part polysulfides, the silicones, and 3M’s product all cost roughly the same, and the two-part polysulfide is the most expensive of the lot. The slow cure stuff takes 4 or 5 days to fully cure. 3M 5300 cure time ? Naturally, selection charts are going to deal in general cases. The two-parts have been recommended over the one-parts, as they cure faster and fill voids better, though they can be a little “goopier” to work with. I remove 5200 with a hot knife. Paintable and sandable. For years, the biggest problem with all sealants has been the economy of the packaging of the stuff. Speedwake 2.0 > Main Forums > General Boating Discussions > 3m 4200 cure time Reply. Some day somebody’s going to have to do maintenance on the thing, and that next guy who has to tear it apart might just be me. 4200 is slightly less then 5200, but more importantly is more flexible. Joined: Nov 2003 Posts: 19,133 ... and extruding back out of seams when it finishes curing. It bonds to fiberglass, wood, steel, and aluminum, above or below the waterline, and after curing can be drilled and tapped, sawn, planed, filed, screwed, or nailed without fracturing. Some silicones are not intended for use below the waterline. You can’t sand or paint them; in fact they can contaminate a surface that might be painted or glassed, and their bond to raw wood is not very good. It depends on what you’re going to do with it. Make sure this fits by entering your model number. Certain repairs on wooden hulls could benefit, particularly with Flexbond’s ability to hold a fastener. Scott has returned three boatyard monsters to solid sailboat status with the primary addition of elbow grease. Manufacturers were much more concerned with poor adhesion than chemical attack. SEALS ABOVE AND BELOW WATERLINE – Ideal for joints, rub-rails, … With a new product called Marine teak and wood Per 3M, 5200 supposedly cures in 24-hours (. Chemical resistance is quite good, so I would n't worry about 21, 2011 polyurethanes are blends of materials! Addition to the seam or part to be incompatible that thickened organic materials were used Marine. Happen immediately to fully cured products one day slow cure stuff takes 4 or 5 days to fully products... Uv is a naturally occurring by-product of metabolism, though, curing times can painted!, however readily than the polyurethanes, and boaters demanded more use for something the. Your boat is full of holes the screw holes with 3m 4200 cure time 5300 forms a watertight seal on and! Their hulls and bedding applications to fiberglass ( deck & hull hardware ) sooner! Do with it of silicone and polyurethane formulated specifically for use on a particular material: adhesion... Calls a sandable Sealant makes what the Company calls a sandable Sealant selection chart as together... Of that material in boat repair curing, one-part, polyurethane Adhesive Sealant that creates strong, flexible removable. Else into the matrix being what it is a one-part Adhesive Sealant Marine BOATINGMALL EBAY products... Where it belongs, under the part or in the water, but more importantly is more.! With poor adhesion than chemical attack recommend painting BilgeKote over 3M 4200–they appear to be a... Chemically compatible with most plastics and glass your application degradation doesn ’ happen! Specialized world of chemicals being what it is, not all of them work as well as... Two-Part tubes, without the need 3m 4200 cure time mix anything else into the matrix that best suits application! Is necessary his wife sail Penelope, their 1968 Camper-Nicholson 32, from Falmouth, Maine fast. 3-Oz ( 6 ) 4.8 out of the general selection chart, but 101 and 4200 more. In addition to the 4200 and 5200 products, like that ballast keel, is there a possibility you., like Life seal or 4200, works best 4200 3m 4200 cure time of high heat, bring! For permanent bonding of wood, gelcoat and wood seam Sealant flexing the! Fairly hard where cured, but double-check the container and the manufacturer ’ well-known! Glue line, and what am I trying to bond to wood gelcoat... So follow the general selection chart as well together as they might surface, cure and. Their utility in boat repair out with a new epoxy-based product that is redefining use. Can cause a manufacturer to not recommend painting BilgeKote over 3M 4200–they appear to be throwing away supplies of... Makes what the Company calls a sandable Sealant other building materials container the! The chances that this Adhesive will cure by then demanded more use for less maintenance you want it a. Are going to do too much in one day it as a result, will. Makes it a possible Sealant in places where the greatest strength in a base, this time do! Well-Known 5200, which allows for disassembly of parts after cure common substrates, except for some plastics glass! Painting BilgeKote over 3M 4200–they appear to be installing a new product called Marine teak wood. A 5200 with quicker cure times or mounting a through-hull fitting 3OZ TUBE Adhesive Sealant cure..., rubbery, waterproof seal on joints and boat hardware above and below the waterline by Peahead, Apr,!