UV inhibitor is added to increase weathering stability. 0000000016 00000 n That's really hard to weigh! Epoxy resins come in two seperate componants. This will avoid unnecessary sanding scratches. Mix the resin VOLUME To achieve the correct 2:1 mix ratio by volume, simply measure out 2-parts resin to 1 part hardener before mixing the components. When sanding areas that have been filled with putty we suggest using 40 or 80 grit sandpaper, depending on how large the repair is. If you add too much then you risk it burning. Adding too much of either resin or hardener will alter the chemical reaction and the mixture will not cure properly. Another option is you can use an 800 grit compound for the gelcoat at this stage. Unfilled resin can heat up to 300F resulting in cracking. Apply the gelcoat using a brush or spray gun. The mid point of 1.5% is most common. As a general rule: The catalyst level (MEKP) should not exceed 3.0% or fall below 1.2 for proper cure. If youre not sure how thick it is, pick up a mil gauge. of Gelcoat w/o Wax = -1 oz. The thickness of the matchbook cover is approximately 18 mil. Terminal 0000002941 00000 n 0000003263 00000 n Winches, Boat Motor Supports & 19 drops per oz @ about 75 degree produce a quicker drying time with better results . For example, four drops of hardener will be 1 percent of 1 ounce of resin. Product is flammable, use caution! Manufacturer, Boat Tables & All, Boat Bimini Intro How to properly measure MEKP for your polyester resin, gelcoat and more Hold Fast Marine -DIY tips and tricks- 4.68K subscribers Subscribe 289 10K views 1 year ago HOLD FAST MARINE Have. Find many great new & used options and get the best deals for 3 PK REFRESH LIQUIGEL Lubricant Eye Gel 0.50 oz NIB EXP. This MEKP is the catalyst/hardening agent for polyester resins and polyester gelcoats. Ski, Wakeboard It needs to be handled with care. Gain access to PREMIUM Calculators by WEIGHT when you subscribe today. Below are some things to consider when trying to figure out how many drops of mekp is 1 oz of gelcoat. The standard ratio is 1 oz. HWnF}WK Parts, Boat Tubing & Mix in the MEKP at 1-1.5% and see if it works ok on a test panel. Working time is about 5 to 15 minutes, . Newbury, MA. Mix thoroughly to ensure that all gel coat is properly catalyzed. To cure properly and completely, gelcoat needs to be devoid of oxygen. 06/2024 at the best online prices at eBay! For example, four drops of hardener will be 1 percent of 1 ounce of resin. 2. gelcoat needs a surface seal of some kind to inhibit air on the surface. That is what target for. You can use either a heavy-duty, reusable plastic cup or disposable paper cup for spraying gelcoat. Copyright 2019 IBOATS. Can I spray gelcoat with an airless sprayer? To catalyze TotalBoat Polyester Laminating Resin, at 77F, add 7-8 drops of MEKP catalyst per one fluid ounce of resin. 0000006580 00000 n Hardware, Boat Seats by 0000001107 00000 n Parts, Inflatable 27. For really small repairs I would mix 1 ounce of gelcoat with 12 drops of catalyst or in your case 16 drops which is a really small amount. Savers, Boat Trailer Guides & TIP: If using a wooden mixing stick, place the stick in the resin before adding catalyst so the wood doesn't absorb the catalyst. Accessories, PWC Parts & Protection, Dock Storage & I always go way over the amount needed. Bullet Skimmer, Paint and I want to say poly resin needs 10 drops of MEKP per 1 oz. All, Anchor & Tables, Minn Kota 2007 Beavertail Opsrey - 2017 Suzuki DF60A. If adding pigment do so first and thoroughly stir in mixing well before adding catalyst, be careful not to under or over pigment. FIB-603 -- 2 oz (for 1 gallon of resin) FIB-604 -- 240cc for 5 Gallons of resin. 1 What is Gelcoat? xb```a`` No catalysts are needed. Ft. @ 10 Mils) 1 Fl. Motivational and inspirational sources to all those parents to enjoy life with their babies, Home FAQ How Many Drops Of Mekp Is 1 Oz Of Gelcoat. Mix for a minimum of three minutes and make sure to scrape down the sides and the bottom of your container to get everything in. Honda 5hp Outboard, Boat If one CC is roughly 30 drops as stated below that would put me at roughly 18.75 drops of MEKP per ounce of gelcoat. The higher the temperature, the less hardener you need. 0000023354 00000 n hry/ %qSB>JdM|}gvei8=sY<9Y'W`g09tkJLNf B3!^Oil d6m|uM} p{ql+s,S'. 0-2.2% MEKP based on the weight of the resin). Pot life (amount of time for application of the product) shortens dramatically as you mix larger batch sizes. trailer See this article for more information: How to Apply Gelcoat by Brush and Roller. Gel Coat Additives: You should also determine which additives you will use with your gelcoat application. Apply gel coat in 4-5 layers at approximately 5 mils each, allowing 15-20 minutes between layers for a total thickness of 20-25 mils. Then scale up!! MEK, short for MEKP, is the "Hardener" or catalyst for Polyester Resin and Vinylester Resin Systems including Isothalic and Gelcoat. How many drops of MEKP is 1 oz of gelcoat? Methyl Ethyl Ketone Peroxide (MEKP) MEKP is a clear hardener/catalyst for the room temperature cure of unsaturated polyester and vinyl ester resins. With the new ratio of .6 CC per oz of gelcoat everything took perfect. Blocks, Marine Going up to 400, then 600, and eventually 800 grit sandpaper. We suggest 1-1/4% to 1-1/2% by volume, i.e. All rights reserved. If using a wood mixing stick, place the stick in resin before adding catalyst so the wood doesnt absorb catalyst. Deals, Paint & Maintenance While it might eventually cure as long as it doesn't freeze, gel coat doesn't like temperatures below 10*C. CREATE At this point, the repair is ready to prep and spray/brush with gelcoat. Rails, Marine Tools & Tool Accessories, Pontoon Bimini WEIGHT The exact weight measurement for these ratios is slightly different from the volume ratio due to resin and hardener density. Shelters, Boat 0000004021 00000 n How to mix Fiberglass Resin & Clean Tools. Again I'm not a fan of "drops" because its super subjective. We sell. ENCLOSED: Dropper bottle that will yield the exact ratios referenced on this chart when mixing small amounts. MEKP speeds up the curing reaction of the polyester resin in these . Thoroughly mix paste, pigments, and hardener. How many Oz is a slice of pizza? Stir well. X`:.geS>Xpiq~\\|=)Dv0'O-GFT# We have all done it in a pinch, but there's a quicker way. You should mix about 4 oz and that will be 1.375 cc/ml. If these products were left to sit on a shelf for a long period of time (many months or even years) they would eventually cure on their own. Combos, Fishing Tools & Get all the latest information on events, sales and offers. Finish/topcoat with. The Fora platform includes forum software by XenForo. Man I hope its working. . This will accurately measure the proper amount of catalyst. Location. Use the recommended thinners/additives only which are listed on the gelcoats product page. Add 2% MEKP catalyst, by volume: 14-16 drops per ounce, or 2 teaspoons per pint. Fenders, Boat Trailer Lighting, Marine Teak How much hardener is in a quart of resin? 0000009357 00000 n Handles, Life Jackets & Maintenance, Fiberglass & Epoxy Duct tape off adjacent gunwale molding, and deck fittings you are unable to remove. The warmer the temperature the less MEKp you would to activate the gelcoat/resin. If thinning is needed for gun/nozzle used then Patch Booster is a additive that will thin out gelcoat and not affect colors, such as acetone or styrene. Specific gravity MEK peroxide A good practice is to pour the mixed gel coat from the mixing container into another container used for application. Salto. Gelcoat that is . . %PDF-1.4 % MEKP is hazardous. Spraying gel coat is recommended for more accurate and consistent coverage. If you change colors, it will require at least two gelcoat coats.If this is going over a patch, at least 2 coats are recommended to get a uniform surface. Use milliliters its easier to do the ratio math. Shop online or request a free catalog. %PDF-1.4 % .75 oz X 38 Wide Fiberglass Cloth (Style #106), .75 oz X 38 Wide Fiberglass Cloth (Style #106) per yard, 1.5 oz x 50 Wide Fiberglass Cloth (Style #108), Customer Project Spotlight: 1956 Dundee Boat Refinish, Good, Better, BestResins For Your Project, Singing in the Rain- ProGlas 1000 Epoxy Resin Art Tutorial. Varnish, Marine Adhesives, Below are some charts to help you figure out how much MEKP will be needed for the project. 1 GALLON 2 OUNCES cc = cubic centimeter. ), or add 1oz per quart/ 4 oz per gallon of wax additive sanding aid. !0Y|McnY>s,O*T* "LbfM;W20wmw!L Mixing thoroughly is just as important. 2. If the surface is painted then the paint should be removed before the gelcoat is applied. First, decide if you need one or two coats of gelcoat. You have a work time of approximately 15 minutes. 50 Graduated Paper Cups Perfect for mixing small batches resin, paint, stain, epoxy from 1 to 3 ounces. FGCI s Brushable Gelcoat is a unique proprietary product with excellent leveling characteristics, allowing application by paintbrush or roller without leaving brush marks or streaking. Boat, Boat Buyers It has to be mixed at a 1:1 ratio with gelcoat. Financing, Iboats Have an abort strategy!! For use as a final coat over fiberglass layups or for repairs, this gelcoat cures to a hard, glossy surface. How much hardener should I use? Go on line to gelcoat suppliers like Spectrum to confirm how many drops of mepk they recommend. ADD TO CART. MEKP %. When the surface is clean, you want to get moving fairly quickly; if the surface is sitting for some amount of time, you want to re-clean the surface. I would forget the drops and using ounces. This coat should be mostly in the repair area and may be repeated. Catalyze gel coat with #69 MEKP at 1.5%. Resin and Gelcoat differ in weight. If you have Professional Grade Exterior Gelcoat you may either brush/roll or spray. (1 quart) 1/2 ounce to 1 ounce: 1 gallon: 2 ounces to 4 ounces: Important Note. of wax; and 1 gal. d23 ?P90. 1 ea contains 1 ea . The resin's reaction starts with the addition of MEKP at 0.5% to 1.5 % (2 % for thin laminates). 0000006330 00000 n Thanks in advance for your help. Well it was not cured this morning after applying it last night which is either one of two things old hardener that came with the gelcoat or not enough hardener. 0000003417 00000 n PINT (16OZ) 1/4 OUNCE In temperatures below 70 degrees, the paraffin can QUART (32OZ)1/2 OUNCEsolidify in the bottle. There are a couple of possibilities though, one is with so little catalyst needed it will get hard no matter what the end user does, two maybe most people just use small amounts and with a short gel time it won't drain out as much and the other reason has to do with resin chemistry. Measurements need to be exact so you can be confident the gelcoat is mixed properly before applying it to the surface. Cable, Marine Batteries & Maintenance, Boat Cleaners & Switches, Shore Power & AC 0000002105 00000 n 0000003380 00000 n Darker colors need a little more catalyst for the same reaction, so you can catalyze up to 2%. The non-wax gelcoat will remain sticky untill the wax is added. Using the drop method, 4 drops are used. This item has a shelf life of approximately 2-3 months. See more Galley, Covers and 0000006855 00000 n Insurance, Boat This time element is dependent on material temperature, room temperature, humidity, air movement, and catalyst concentration. 0000000872 00000 n = 1.17 polyester resin= 1.09 gelcoat = 1.3, Equivalent For a better experience, please enable JavaScript in your browser before proceeding. Systems, Marine Plumbing 0000003229 00000 n Battery Charger, Marine Audio & Our Gelcoat comes with MEKP hardener with every purchase, but you may need more which you can purchase as an option depending on the application, temperature, and other environmental factors. Measures Chart (Example - 1 Gallon = 231 Cubic Inches and Gelcoat will not fully cure without adding a surfacing agent or wax additive sanding aid. Spraying Gelcoat delivery rate of no more than 2.5 pounds per minute with conventional air atomized spray, and no more than 4 pounds per minute with airless equipment. Drink Holders. The ease of application makes this the perfect gelcoat for repairs and small parts production with no wax needed. Storage Ideal for touching up scratched gelcoat. 1 fluid Oz equals about 30ml if memory serves, so if you want 2% you would need 0.6ml of MEKP per oz of gel. 0000003945 00000 n That's the problem. Bottom Paint Store Blog How to Articles. Acessories, Fish Cleaning Kits, Boat Trailer Sand it down with 80 grit sandpaper until it's flush with the surface of the fiberglass. Hitches, & The heavier fast-cut grits (40/80/100) are used to feather sand and ground out a routed area prior to filling. Tackle Boxes, Fishing Bait & The gelcoat set up what was left in the mixing tub before I threw it out. 0000018269 00000 n They are sturdy and smooth on the inside to help with complete mixing. More features, tools? However, if you have opacity problems two coats may be necessary with a light sanding between coats. The total area to be glassed is 90 square feet. Trailer Winches, Shop The thickness of the matchbook cover is approximately 18 mils. TotalBoat Polyester Laminating Resin requires the adding of MEKP catalyst at the ratio of 7-8 drops of MEKP per one ounce of resin at 77F (1. Registered User. Catalyze your material so that it has a longer pot life. 2. 0000010798 00000 n Following this, it should be wet sanded with 320, 400, and 600 wet grit paper, buffed, polished and waxed. Do not use more than 1 oz tint per quart. RESIN, Quarts. If you need more time to work, be sure to sit the can in some cold ice water to cool it down to 60 degrees to allow you a little more working time. However, neither they nor any Catalyst Chart can provide the exact ratio by WEIGHT. Eric Boudreau 1 year ago Updated TotalBoat Polyester Laminating Resin requires the adding of MEKP catalyst at the ratio of 7-8 drops of MEKP per one ounce of resin at 77F (1 .0-2.2% MEKP based on the weight of the resin). This is about 1% which is tuned for 80 degrees or higher. Use these calculators and mix very small batches until you achieve the desired result. Gelcoat will not darken or change colors when it dries. On their own, epoxy resins are very stable fluids with relatively long shelf lives. 5. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. It usually will not adhere to these surfaces. 114 28 The Ideal range is 1.8% @ 77F (approximately 12 drops per ounce of gelcoat.) Specific gravity MEK peroxide = 1.17 polyester resin= 1.09 gelcoat = 1.3 Equivalent Measures Chart (Example - 1 Gallon = 231 Cubic Inches and will cover 160 Sq. of Gelcoat w/o Wax = 1/4 oz. Ditch the oz's and drop crap. What happens if you put too much hardener in resin? The drops fogged vision in right eye versus using simple artificial tears. The cc and oz values in the chart have been converted from weights of MEKP to volumes of MEKP. Sandable time: Depends on temperature, amount of catalyst, and mass of fairing compound. Get a proper measuring cup and syringe and use cc's or ml's for both. of Gelcoat = 1.5% @ 75F. Oars, Wakeboard, Wakesurf & Screws, Boat Handles, Pulls, xref Covers, Boat Cover Bilge Pumps, Shop Webbing Solution is a clear liquid added to gel coat to obtain spatter or cobweb effects. The color wet is the color when dry. Jacks, Boat Trailer Brakes & Platforms, Slide Spraying Gelcoat: For best results spraying gelcoat, it is recommended to use a spray gun designed specifically for applying gelcoat and resins, such as the professional grade spray guns offered by FGCI and ES Manufacturing.Next decide if you want to use an aluminum, plastic or paper cup to house the gelcoat. Parts, Wash Down Guide, Boat When mixing MEKP with resin, take care as a violent mixing action can splash it out of the mixing container. When MEKP is mixed with polyester or vinylester resin, the resulting chemical reaction causes heat to build up and cure or harden the resin. How do you know how many ml's per drops you are getting? Mix thoroughly for at least one minute and apply immediately after. Racks, Fish Finders, Sounders Deals, Camping & RV Thanks, Boat Repair, Boat Paint & Do not use any other wax additive when using Patch Booster. At 77F, TotalBoat Gelcoat requires the addition of 2% MEKP catalyst, by volume: 14-16 drops per ounce, or 2 teaspoons per pint, for a working time of 10-15 minutes. therefore by my calculations you'll need 10 drops. 1 ML = 1 CC; Biminis, RV & Trailer Downs, Couplers, Mounts, Practice and prepare!! Gelcoat needs to be applied evenly. Cups are are wax coated. Resins MEKP - Number of cc per Volume), Catalyst Concentration by One slice of pizza is about six ounces and 300 to 400 calories. On: July 7, 2022 Asked by: Rusty Daugherty Advertisement Always use 2% catalyst in Gelcoats. Distribution, ProMariner ProNautic your boats Gel Coat Match, Shop . 11 27 Used as the hardener (activator) in Gel Coats and Resins. Poly products need to be sealed from air to fully cure. Beside this,how many drops of hardener do i need for gelcoat? Approximately ten drops of MEKP to each 1/2oz. Tubes, Shop For a better experience, please enable JavaScript in your browser before proceeding. Boat Gel Coat - Spectrum Color, Pumps and If the surface is already coated with gelcoat, or if the surface is a fiberglass or polyester resin, then the application of gelcoat is a snap. Gel time at 1.8% MEKP is 10-17 minutes. Under- or over-catalyzed gel coat will cure slower and look faded or chalky. Avoid brushes that are either too stiff or too soft. Zincs, Generator Once gel coat has tacked up, about 20 minutes after final layer has been applied, lay-up of the part can begin. Preparing the Surface for Application: Next, youre going to have to clean the surface. The cabin top is 9 feet wide by 10 feet long (910=90 square feet). MEK, short for MEKP, is the Hardener or catalyst for Polyester Resin and Vinylester Resin Systems including Isothalic and Gelcoat. 11 0 obj<> endobj Gel coat is a polyester resin and uses MEKP as the catalyst. Good news! We suggest a thickness of 18-20 mils to properly cure. Gel coats are often the exterior coating for composites parts, providing both the color and texture of the part. 13 0 obj<>stream Compound and polish with Aquabuff 2000 then happy a wax such as Collinite 925 UV for protection. Deals, Dealer Large quantities will exotherm and kick off very fast, leaving you with a smoldering mess in your cup. (1 pint) 1/4 ounce: 32 oz. Darker color gelcoats will also require more MEKp then the recommended amounts above. You want to use a buffer that turns 1600-3000 RPM. Systems, Lowrance Hook2-4 GPS 13-15 cc per quart. Detectors, Binoculars & How Many Drops Of MEKP Is 1 Oz Of Gelcoat? You should also feather the surrounding area of the gel coat repair with 220/330. 0000023316 00000 n If it is in the 60's use 2.5 cc/ml or 50 drops for 2% MEKP. Can you apply second coat of gelcoat? Hardware, Marine Once your repair is covered, feather a flow or sanding coat on the masked-off area making layered passes to avoid a buildup of gel coat in any one area. 0 Manager at store told me to run 10-12 drops per oz of gelcoat I mix up. You can mix your material right in the lined cup and then simply insert the cast aluminum lid onto the lined cup, attach the cup to the gun and you are ready to spray. For spraying gelcoat our FGCI brand does not recommend thinning. Outboards, Shop Our technicians suggest the use of Dyekum Steel Blue Dye to be really thorough. If you want to roll on a gelcoat, be sure to use a 1/8 or 14 solvent-resistant nap. You may purchase this item if you desire additional . Keep in mind that you have a limited time to apply what you have mixed (usually between 5-15 minutes). Ft. @ 10 Mils), Catalyst Concentration by CC (Volume of Catalysts to be Used with Polyester You need to stick to the 1:1 ratio that is measured by volume. Covers, Boat Shrink Wrap
Holocaust Museum Tickets Sold Out, How To Enable Cheats In Minecraft Server Minehut, 5 Letter Words That Contain K O L, Tarrant County Law Library Forms, Is Red Skelton's Daughter Still Alive, Articles H