Spraying gel coat is recommended for more accurate and consistent coverage. Marine Battery Chargers, Shop for Sale, Buy A However, I can NOT guarantee you will achieve the same results as I would. How do you know how many ml's per drops you are getting? 1 ML = 1 CC; Mix the polyester resin with a catalyst named methyl ethyl ketone peroxide (MEKP) to begin curing. 0000004021 00000 n Systems, Lowrance Hook2-4 GPS That's the problem. Gelcoat is significantly heavier than Resin because of the fillers and pigments added. Clean the repair area and all tools with acetone prior to application. JavaScript is disabled. OUNCE 20 DROPSWhen using Surfacing Wax with your resin/gelcoat, youmust also add the MEKP(Hardener). Bottom Paint Store Blog How to Articles. Apply gel coat to mold surface. Methyl Ethyl Ketone Peroxide (MEKP) MEKP is a clear hardener/catalyst for the room temperature cure of unsaturated polyester and vinyl ester resins. Initially spray a cover coat as smooth and evenly as you can to cover your repair. Deals, Electrical If you brush on the gel coat, make sure to use a solvent-resistant brush. ADD TO CART. 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. The ease of application makes this the perfect gelcoat for repairs and small parts production with no wax needed. Use one or the other. Adding more of less of the catalyst agent will speed up or slow down the curing time for the resin. One slice of pizza is about six ounces and 300 to 400 calories. hry/ %qSB>JdM|}gvei8=sY<9Y'W`g09tkJLNf B3!^Oil d6m|uM} p{ql+s,S'. 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. All, Boat Bimini GEL COAT REPAIR INSTRUCTIONS. You should catalyze your material so that it cures as quickly as possible within your working time. 7-Eleven Large Pepperoni Pizza. <<2369ebe0f6fbc740aa2d803257e02535>]>> 27. Use a gelcoat thickness gauge to ensure proper thickness is achieved. Pot life (amount of time for application of the product) shortens dramatically as you mix larger batch sizes. Ratio The ratio range for catalyst to resin is 1 to 2 percent hardener to the total volume of resin to be used. 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. You may purchase this item if you desire additional hardener. How many drops of Polyener resin are in an ounce of hardener? When working on the deck or cabin, tarp off the adjacent areas. Lights, Boat Trailer Gel time at 1.8% MEKP is 10-17 minutes. 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. It will take a minimum of two coats of gelcoat if you are changing colors. 8 drops 16 drops 16 drops Add the MEKP to the Gelcoat before thinning. Keep in mind that you have a limited time to apply what you have mixed (usually between 5-15 minutes). How much hardener is in a quart of resin? 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. Determine the Existing Surface: First thing you want to do is look at the surface on which you want gelcoat applied. Gel Coat Instructions - Marine Gel Coat Repair Product | Marine Products First, decide if you need one or two coats of gelcoat. Deals, Paint & Maintenance Add air dry wax (the wax will rise to the surface, creating that barrier), or if it's a small enough area tape a polyethylene film over it (zip lock bag.) Category, View I liked using 19 drops per oz on my second try (more catalyst is specified when gel coat is mixed with wax . Parts, Boat Tubing & The normal ration of resin to catalyst is just over 1% but should not go over 2.5%. Caulking, Marine Engine Avoid re-brushing as this could remove the waxy surface additive. Winches, Boat Motor Supports & Mix thoroughly to ensure that all gel coat is properly catalyzed. The mid point of 1.5% is most common. 0000003263 00000 n xbbb`b`` 2 Put the bottle in the sun or in front ofa lamp to reliquify. 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. Tops, Other Note: All gel coats and resins from the Bottom Paint Store include MEKp with the applicable size of gelcoat/resin. You should also feather the surrounding area of the gel coat repair with 220/330. 2Oz is recommended for 1Gallon of Gel Coat or Resin. Ft. @ 10 Mils), Catalyst Concentration by CC (Volume of Catalysts to be Used with Polyester Quantity. trailer Using the drop method, 4 drops are used. example6oz resin times 2%= .12 times 30 = 3.6 cc of MEKP8oz resin times 1%= .08 times 30 = 2.4cc of MEKP6oz gelcoat times 2%= .12 times 30 = 3.6 times 2 = 7.2cc of MEKPRemember to use my discount code at www.totalboat.com code: TBholdfastsubscribe to the channel, and don't forget out patron https://www.patreon.com/HoldfastmarineMEKP dispenserhttps://fiberglasssupplydepot.com/MEK-DISPENCING-BOTTLE.htmlPolyester resinhttps://www.totalboat.com/product/polyester-laminating-resingelcoathttps://www.totalboat.com/product/gelcoatfairing compoundhttps://www.totalboat.com/product/polyester-fairing-compoundMEKPhttps://shop.hamiltonmarine.com/products/fiberglass-hardener-mekp-organc-peroxide-clear-gal-15046.html#holdfastmarine #totalboat #fiberglasssupplydepot Oars, Wakeboard, Wakesurf & Compound and polish with Aquabuff 2000 then happy a wax such as Collinite 925 UV for protection. For example, four drops of hardener will be 1 percent of 1 ounce of resin. 3M and UV tapes , and masking papers are recommended. 0000007919 00000 n of Gelcoat w/o Wax = -1 oz. of Fiberglass Resin (or for can of Fiberglass Resin, use tube of liquid hardener). Gel Coat requires the addition of fiberglass resin hardener or catalyst (MEKP) at 1.8% by volume (77F) (approximately 12 drops per ounce), Measure catalyst accurately. There are 2 thinners that are recommended by the manufacturer when spraying gelcoat: Patch Booster, and Duratec. Use a gelcoat spray gun such as ES Manufacturing Gelcoat Spray Gun G830, ES-G100 Spray Gun, or equivalent. When mixing small batches, catalyze with 12-18 drops hardener per ounce of gelcoat. This item has a shelf life of approximately 2-3 months. The standard ratio is 1 oz. Hitches, & Outdoor Hub, LLC (d/b/a Carbon Media Group), 30800 Telegraph Rd, Suite 1921, Bingham Farms, MI 48025 USA. Gelcoat should not be used when temperature conditions are below 60F, as curing may be adversely affected. 2. 11 0 obj<> endobj Boat Repair, Boat Paint & Mix 2-3% of MEKP Hardener into the Gel Coat. 30 drops is approximately equal to one cc. Product is flammable, use caution! You are using an out of date browser. Rollers, Boat Trailer Similarly,how many drops of hardener do i need? If youre not sure how thick it is, pick up a mil gauge. 0000003502 00000 n 0000000016 00000 n startxref Gelcoat Putty Repair Spider Cracks And Fill Gouges! You need to stick to the 1:1 ratio that is measured by volume. Below are some things to consider when trying to figure out how many drops of mekp is 1 oz of gelcoat. Grande Mastere Dreade Snag's spellchecker 20,728 5,208 3026'36.2"N 8832'13.8"W If you're doing a larger project and counting drops of catalyst is not an option, base the amount of MEKP required on the weight, not the volume, of the resin. You have a work time of approximately 15 minutes. 0000002105 00000 n The minimum recommendation from Dow is 1% MEKP to resin by weight, with a maximum of 2.5%. The MEKP Calculators by WEIGHT are Dead-On when it comes to precision and Superior to any Catalyst Chart. 7. Motors, Fishing Downriggers & (1 pint) 1/4 ounce: 32 oz. 0000023127 00000 n Let the polyester filler cure until material is firm and tack free, about 10 minutes. Ideal range is 1.8% @ 77F. 0000003229 00000 n Use the recommended thinners/additives only which are listed on the gelcoats product page. We offer pre-mixed colors of gelcoat, use this color chart as a guide for the available colors that we have. Biminis, Paint and Polyester requires a 1-2% hardener ratio depending on temperature, so mixing 10 grams of gel at 1.5% means you have to measure 0.15 grams of MEKP. Trailer Winches, Shop Depending on the amount of resin needed, pour the appropriate ratios of polyester resin and MEKP into a heavy-duty plastic tub or bucket. Practice and prepare!! & The heavier fast-cut grits (40/80/100) are used to feather sand and ground out a routed area prior to filling. Epoxy activators are all proprietary, depending on the product. However as at least one third of the gelcoat is particulate and not resin a mix of just 1.oo % should be fine. 0000018269 00000 n Watch on. A forum community dedicated to Small Skiff owners and enthusiasts. Generally, one heavy coat is sufficient. Harware, Marine Nuts, Bolts, & Gelcoat can take as much a 2x the amount of MEKP as resin. 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. Cups are are wax coated. It is also needed with all gel coats. Gel coat is typically the first layer of a part to be applied. Downs, Couplers, Mounts, Unfilled resin can heat up to 300F resulting in cracking. The car polishers wont work if theyre spinning too slowly, so you want to check the speed of the spin. Creating is very rewarding! Depending on the orifice size of the bottle your using 10 drops could equal .5cc, 1cc, 1.5cc.. using a $0.89 syringe is cheap insurance to me. of Gelcoat = 2% 3% is the Maximum ratio. When sanding areas that have been filled with putty we suggest using 40 or 80 grit sandpaper, depending on how large the repair is. 20ml for every 1kg of Resin in working conditions at room temperature. Deals, Camping & RV Choose a shady location or an overcast day. of wax; and 1 gal. Supreme Mariner Joined Oct 18, 2007 Messages 12,932 If you want CONSISTENT RESULTS every time you mix, YOU NEED to MEASURE BY WEIGHT NOT VOLUME!! Hardware, Boat Cabin Find many great new & used options and get the best deals for Veterinary Formula Clinical Care Ear Therapy 4 oz. The resin's reaction starts with the addition of MEKP at 0.5% to 1.5 % (2 % for thin laminates). Beside this,how many drops of hardener do i need for gelcoat? Ski, Wakeboard To catalyze TotalBoat Polyester Laminating Resin, at 77F, add 7-8 drops of MEKP catalyst per one fluid ounce of resin. How to Apply Gelcoat by Brush and Roller. and gelcoat needs twice as much catalyist. Finish/topcoat with. If it is in the 60's use 2.5 cc/ml or 50 drops for 2% MEKP. 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. Does resin need hardener? Blocks, Marine Thanks in advance for your help. Do not work in direct sunlight. Honda 5hp Outboard, Boat See this article for more information: How to Apply Gelcoat by Brush and Roller. per Volume). Good news! Another option is you can use an 800 grit compound for the gelcoat at this stage. MEKP can be added to polyester resin in the range of 1 to 2% by volume or weight. Epoxies are much simpler to get a good ratio by weight. Then scale up!! Accessories, Big Jon Legal Disclaimer: User assumes all liability. Keeping good notes will help you build a database of initiator levels for temperatures that you encounter frequently. Get a proper measuring cup and syringe and use cc's or ml's for both. Apply gelcoat in 4-5 layers at approximately 5 mils each, allowing 15-20 minutes between layers for a total thickness of 20-25 mils. Hardware, Boat Seat Seats, Fishing Boat Holders, Cabin Accessories & The reason to use a non-wax is for putting on multiple coats without having to sand in between coats. of Gelcoat w/o Wax = 2-4 oz . Plumbing, Fresh Water Boat Cable, Marine Batteries & .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. The ratio is on the hardener container. Covers, Other Financing, Iboats Beside this,how many drops of hardener do i need for gelcoat? will cover 160 Sq. If you want to roll on a gelcoat, be sure to use a 1/8 or 14 solvent-resistant nap. Gelcoat will not darken or change colors when it dries. Deals, Boat Seats The weight of MEKP 925 is 1.125 grams per cc. Click Here. Use 3M Abrasives for best results. Boat, Boat Buyers All Gel Coats from Bottom Paint Store come with MEKP with each gelcoat purchase. We recommend 1.5% - 2.0 % by volume. On their own, epoxy resins are very stable fluids with relatively long shelf lives. 1 GALLON 2 OUNCES Used as the hardener (activator) in Gel Coats and Resins. Detectors, Binoculars & The warmer the temperature the less MEKp you would to activate the gelcoat/resin. Fishing Lures, Fishing Rod Holders & . Adding more of less of the catalyst agent will speed up or slow down the curing time for the resin. At 77F 1.8% MEKP will provide a gel time of 10-17 minutes. Terminals, Marine Fuse Blocks & ENCLOSED: Dropper bottle that will yield the exact ratios referenced on this chart when mixing small amounts. RESIN, Quarts. Use milliliters its easier to do the ratio math. Gelcoat that is . Apply the gelcoat using a brush or spray gun. Also, they are used for the first sanding of gouges, dock dings, scratches, and blisters. This coat should be mostly in the repair area and may be repeated. 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. & Bullet Skimmer, Paint and MEKP speeds up the curing reaction of the polyester resin in these . At this point, the repair is ready to prep and spray/brush with gelcoat. List Name. MEKP Hardener 1 oz. The drops fogged vision in right eye versus using simple artificial tears. Anything below 60 degrees, and your gelcoat will not cure, but as you get warmer and warmer, your working time will decrease rapidly. t,efR*o*3nsq5#eRY^_~Y-j8oC/vFTvH*S Mix in the MEKP at 1-1.5% and see if it works ok on a test panel. 28.4cc Catalyst Amount by CC Catalyst Concentration by CC (Volume of Catalysts to be Used with Polyester Tables, Minn Kota ounce of gelcoat will give you 2% ratio at gel time of 20 to 30 minutes at. The correct ratio will appear below. 38 in. Software, Digital Pumps, Marine Pump Replacement Charts & 0000001463 00000 n Wells, Toilet & Waste Deals, Electronics 0000006580 00000 n Plumbing, Anchor Mix small batches at a time since too much MEKP will result in the hardening of the gelcoat way too fast! Battery Charger, Marine Audio & Boarding, Paddles & Do not use any other wax additive when using Patch Booster. Parts, Sacrificial Anodes & I don't know if age effects it or not. Dock, Cabin and 1 ea contains 1 ea . This time element is dependent on material temperature, room temperature, humidity, air movement, and catalyst concentration. 0000001255 00000 n Communication, Auto Pilot startxref Supplies, Boston Whaler, 1972-1993, Steel Blue is a dye youre going to wipe on or you can use the blue dye spray. Thanks for the help. Ideal range is 1.8% @ 77F. Do you sell MEKP? Clean repair area and all tools with acetone prior to application. If you decide to Double or Triple the Volume to do a larger project or portion, the Calculator does the math for you! 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. What is brushable gelcoat? How do you know how many ml's per drops you are getting? xref usually a material called surfacing agent (wax/styrene) or P V A. I want to say poly resin needs 10 drops of MEKP per 1 oz. I always go way over the amount needed. Quantity of Wax Additive Required: 1 ounce: 20 drops: 16 oz. 141 0 obj <>stream In this video I show you how to use some basic math to accurately measure the correct amount of MEKP for your polyester products. You can use either a heavy-duty, reusable plastic cup or disposable paper cup for spraying gelcoat. PFDs, Roof Racks, Carriers, All the essential pizza ingredients the crust, sauce, and cheese contain a lot of salt. Mixed 3 new ounces of gelcoat and put between 1.8-1.9 ccs (0.625 ccs per oz) of MEKP in the mix for two minutes. Have you ever spent what seems like days measuring drops of mekp or catalyst for your polyester resin? Again I'm not a fan of "drops" because its super subjective. Okay, so how is this MEKP Catalyst Chart or these handy Calculators useful? 0000005113 00000 n I want to say poly resin needs 10 drops of MEKP per 1 oz. You want to use a buffer that turns 1600-3000 RPM. Sign up for newsletter: You've just added this product to the cart: FIRST QUALITY FIBERGLASS MATERIALS AT A PRICE YOU CAN AFFORD! Ventilation, Interior & Cabin Axles, Boat Trailer Tie Is pepperoni high in sodium? 0000015094 00000 n If the surface is painted then the paint should be removed before the gelcoat is applied. Use the spreader to add the . of Catalysts to be Used with Polyester Resins MEKP - Number of oz. It usually will not adhere to these surfaces. (#69-A) unit can be shipped via standard ground service without hazard charges within the 48 contiguous United States. How many drops of MEKP is 1 oz of gelcoat? 75 degrees F. 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. Boat, Sell A The ratio is 1-1 oz tube per quart, or a 4 oz tube per gallon. Kits, Seadog Stainless Steel Cup When MEKP is mixed with polyester or vinylester resin, the resulting chemical reaction causes heat to build up and cure or harden the resin. Instantly, you will gain predictable results. ACCOUNT, Find The Volumetric Calculators above are GREAT tools. . 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. This is eye needs cataract surgery; thought it would help - actually . Below are two FREE MEKP Calculators and a MEKP CHART to simplify the process of determining the proper ratio of resin to catalyst or gelcoat to catalyst. If not, where can I purchase? Covers, Boat Seat Now, once again, I know that we have been using 0.75% for our recommended minimum, and that has been successful all these years. Resin starts to cure but does not go all the way completely. 0000023817 00000 n Ropes, Boat Let's hope this works this time! 11 27 4|#8sReSSq"la;&2%9(HC}cL1eM4%1wEo This will avoid unnecessary sanding scratches. This is about polyester gel with MEKP hardener. 0000015038 00000 n Start by sanding the surface with 150 grit or sandpaper. Spraying gel coat is recommended for more accurate and consistent coverage. Example: 20-30 minutes @ 77F for a 100g mass catalyzed with 1% MEKP. Part # PBBR-.5 ( oz dropper) Mixing cup will give exact measurements for larger volumes in CC and ounce increments. The non-wax gelcoat will remain sticky untill the wax is added. Gel coat will not fully cure without adding a surfacing agent or over spraying with PVA. 0000002707 00000 n Since manufacturer specs change often due to formula updates be sure to follow the most recent recommendations from the technical data sheets. I genuinely do care about ALL my customers and hope everyone of you achieve the absolute best results possible. Why is my resin not hardening? Galley, Covers and The total area to be glassed is 90 square feet. Storage Manufacturer, Boat Tables & We suggest 1-1/4% to 1-1/2% by volume, i.e. Accessories, Boat Lift Canopy DO NOT WORK IN DIRECT SUNLIGHT -Choose a shady location or an overcast day. Approximately eight drops of MEKP to each 1/2oz. . Salto. The two componants when mixed will react with each other to crosslink and polymerise into a solid plastic. Ditch the oz's and drop crap. Deals, Trailering Thanks, cloth = 2.84 or 3 pieces). Can you apply second coat of gelcoat? I used the other MEKP and it seemed to be working and got a tad bit on my skin and could feel it burning a little. TIP: You can also use these to calculate the correct amount of Wax Additives or other surfacing agents like Patch-Aid (3-4%) or as recommended. If youre not sure how thick it is, pick up a mil gauge. 2007 Beavertail Opsrey - 2017 Suzuki DF60A. Newbury, MA. For example, if you are using a conventional spray gun, you should set the pressure between 30 and 50 psi. 0000000836 00000 n