If applied onto a floor without the hardener, the resin would remain a near liquid indefinitely and could not transform into a durable flooring system. Oz = fluid ounce . Biminis, View 0000030800 00000 n MEK, short for MEKP, is the "Hardener" or catalyst for Polyester Resin and Vinylester Resin Systems including Isothalic and Gelcoat. 0000001832 00000 n <<2369ebe0f6fbc740aa2d803257e02535>]>> Boarding, Paddles & & Sonar, Trolling Easy! Insurance, Boat usually a material called surfacing agent (wax/styrene) or P V A. Keep in mind that you have a limited time to apply what you have mixed (usually between 5-15 minutes). 13-15 cc per quart. DO NOT WORK IN DIRECT SUNLIGHT -Choose a shady location or an overcast day. You are using an out of date browser. Handles, Life Jackets & 0000001553 00000 n Deals, Trailering Accessories, Marine DC Power Plugs Properly Promoting Resin - Glasair Aircraft Owners Association 0000017788 00000 n We suggest 1-1/4% to 1-1/2% by volume, i.e. 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. You should catalyze your material so that it cures as quickly as possible within your working time. %PDF-1.4 % Is pepperoni high in sodium? 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. Used as the hardener (activator) in Gel Coats and Resins. Using 38 inch wide cloth, Mr. Smith needs three 10 ft. pieces. Maintenance, Boat Cleaners & xbbb`b`` 2 Measures Chart (Example - 1 Gallon = 231 Cubic Inches and Choose a shady location or an overcast day. Covers, Boat Shrink Wrap MEKP-925 Methyl Ethyl Ketone Peroxide Hardener Catalyst 2 Oz is recommended for 1 Gallon of Gel Coat or Resin. Furniture, Boat Seat Pedestals & Get a proper measuring cup and syringe and use cc's or ml's for both. ), or add 1oz per quart/ 4 oz per gallon of wax additive sanding aid. Downs, Couplers, Mounts, Kits, Boat Trailer 0000002243 00000 n 0000015094 00000 n of Gelcoat w/o Wax = -1 oz. MEKP is a clear hardener/catalyst for the room temperature cure of unsaturated polyester and vinyl ester resins. Check the temperature of the Gelcoat stock and insure that it is not below 70F. per Volume). Thoroughly mix paste, pigments, and hardener. Gelcoat Catalyst Requirements. Winches, Boat Motor Supports & Approximately ten drops of MEKP to each 1/2oz. We suggest a thickness of 18-20 mils to properly cure. Covers, Boat Cover Fasteners, Boat Windshield 0000006580 00000 n Specific gravity MEK peroxide It is typically used between 1.25% to 1.75% (1 2/3 ounce to 2 1/3 ounces per gallon). Remember to always lap wet. Patch booster is used with a 5:1 ratio or about 20% by volume. Do not work in direct sunlight. How many drops of MEKP is 1 oz of gelcoat? Apply gel coat to mold surface. Usually 320 or 400 grit wet paper is sufficient for the initial sanding. 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. Trailer Winches, Shop 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. Terminal MEKP Liquid Hardener - Jamestown Distributors 0000001127 00000 n Mixing out of the above range will result in a weaker cured resin. Pumps, Livewell Aerator Pumps Dust and dirt particles are your enemy here, so make sure you clean the surface thoroughly.Determine whether you need one or two gelcoat coats. GEL COAT REPAIR INSTRUCTIONS. rQ{.Z7. i[wk. If you want to roll on a gelcoat, be sure to use a 1/8 or 14 solvent-resistant nap. Add 2% catalyst to your chosen quantity of gel coat, stir very thoroughly and note the time. HELP! Gelcoat cure question | Boat Design Net This time element is dependent on material temperature, room temperature, humidity, air movement, and catalyst concentration. Flow -coat on the other hand will have wax added, I suspect this might be what you have, (Gel-coat = no wax. We sell. Use a gelcoat spray gun such as ES Manufacturing Gelcoat Spray Gun G830, ES-G100 Spray Gun, or equivalent. Deals, Pumps & Plumbing therefore by my calculations you'll need 10 drops. and gelcoat needs twice as much catalyist. You may purchase this item if you desire additional hardener. Sockets, Marine Electrical xb```a`` %%EOF gelcoat resin and catalyst - alameed-med-services.com Newbury, MA. If the gelcoat does not get enough catalyst it will not kick or begin to harden. 0000019960 00000 n Finish/topcoat with. If this is going over a patch, we recommend 2 coats at least, to get a nice, uniform surface. of wax; and 1 gal. Fibreglass Catalyst Requirements - Nivitex Adding more of less of the catalyst agent will speed up or slow down the curing time for the resin. The Fora platform includes forum software by XenForo. 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. Video, GPS Chartplotters & 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. xref I tried 12 drops of MEKP Catalyst per oz my first try in about 80 degrees F. Then I found a MEKP Catalyst pdf with great instructions. Mix 2-3% of MEKP Hardener into the Gel Coat. Use one or the other. Darker colors need a little more catalyst for the same reaction, so you can catalyze up to 2%. 30 seconds, ensuring to scrape bottom and edges of the mixing container. Watch on. therefore by my calculations you'll need 10 drops. Epoxy resins come in two seperate componants. The car polishers wont work if theyre spinning too slowly, so you want to check the speed of the spin. Gelcoat Touch up | Sailboat Owners Forums You should find a warmer spot to move your piece such as room or working office. trailer Protection, Ladders, Steps, & If you add too much then you risk it burning. Also, they are used for the first sanding of gouges, dock dings, scratches, and blisters. However as at least one third of the gelcoat is particulate and not resin a mix of just 1.oo % should be fine. Example: 20-30 minutes @ 77F for a 100g mass catalyzed with 1% MEKP. Honda 5hp Outboard, Boat Seats, Fishing Boat d23 ?P90. If it is in the 60's use 2.5 cc/ml or 50 drops for 2% MEKP. For example, four drops of hardener will be 1 percent of 1 ounce of resin.How much hardener do you add to polyester resin? 2. Sanding Existing Gel Coat: You want to sand the surface to make a mechanical bond to the gel coat. 1 TBS = 1/2 oz. 625 CC per ounce of gelcoat. You want to use a buffer that turns 1600-3000 RPM. The ratio is on the hardener container. 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Systems, Lowrance Hook2-4 GPS Storage How many Oz is a slice of pizza? ENCLOSED: Dropper bottle that will yield the exact ratios referenced on this chart when mixing small amounts. Acessories, Fishing Outriggers & Cable, Marine Batteries & Galley, Barbeque Catalyzing Gelcoat with MEKP: The catalyst level (MEKP) should not exceed 3.0% or fall below 1.2 for proper cure.
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