how many drops of mekp is 1 oz of gelcoat

4|#8sReSSq"la;&2%9(HC}cL1eM4%1wEo of MEKP to 1 gallon of polyester resin. Following this, it should be wet sanded with 320, 400, and 600 wet grit paper, buffed, polished and waxed. 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 MEK, short for MEKP, is the Hardener or catalyst for Polyester Resin and Vinylester Resin Systems including Isothalic and Gelcoat. Hardware, Boat Distribution, ProMariner ProNautic Used as the hardener (activator) in Gel Coats and Resins. 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. Refer to the catalyst chart located on the product page for the gelcoat you are using or follow the label guidelines. MEKP Catalyst Quantity Chart - Fiberglass Warehouse The MEKP Calculators by WEIGHT are Dead-On when it comes to precision and Superior to any Catalyst Chart. There are also disposable cup liners available that you can insert into the plastic Poly-Pro graduated cup or paper cup. Combos, Fishing Tools & The amount of catalyst may be adjusted in small, incremental amounts, either upward or downward, to account for temperature differences (more for cooler temperatures, and less for . Does gelcoat need wax? Steel Blue is a dye youre going to wipe on or you can use the blue dye spray. %%EOF Ft. @ 10 Mils), Catalyst Concentration by CC (Volume of Catalysts to be Used with Polyester Use these calculators and mix very small batches until you achieve the desired result. Does resin need hardener? Grande Mastere Dreade Snag's spellchecker 20,728 5,208 3026'36.2"N 8832'13.8"W 0000005113 00000 n 625 CC per ounce of gelcoat. Generally, one heavy coat is sufficient. Furniture, Boat Seat Pedestals & Adding more of less of the catalyst agent will speed up or slow down the curing time for the resin. Use 3M Abrasives for best results. The two componants when mixed will react with each other to crosslink and polymerise into a solid plastic. 0000003263 00000 n 0000001899 00000 n Methyl Ethyl Ketone Peroxide (MEKP) MEKP is a clear hardener/catalyst for the room temperature cure of unsaturated polyester and vinyl ester resins. The mid point of 1.5% is most common. How many Oz is a slice of pizza? Hardware, Boat Trailer Read all warnings on product labels and only use additives recommended as described per each product. Failing to do so will result in the resin not hardening as it should. Savers, Boat Trailer Guides & Sand it down with 80 grit sandpaper until it's flush with the surface of the fiberglass. At 77F 1.8% MEKP will provide a gel time of 10-17 minutes. Financing, Iboats I only go to 1% at 85 or above or if I'm doing a large panel or an intricate piece and need a little more pot time. cloth = 2.84 or 3 pieces). Sanding Existing Gel Coat: You want to sand the surface to make a mechanical bond to the gel coat. Parts, Wash Down Terminal Copyright 2019 IBOATS. If the gelcoat does not get enough catalyst it will not kick or begin to harden. Ropes, Boat Properly Promoting Resin - Glasair Aircraft Owners Association Less MEKP gives a slower cure, more gives a faster cure. Systems, Lowrance Hook2-4 GPS Beside this,how many drops of hardener do i need for gelcoat? ACCOUNT, Find Once the fill area is level or contoured to the desired shape, sand with 100 grit paper to remove the course scratches from 40 or 80 grit. Parts, Inflatable For example, four drops of hardener will be 1 percent of 1 ounce of resin. Locks, Boat Deck startxref 1 ML = 1 CC; 0000018269 00000 n Anything below 60 degrees, and your gelcoat will not cure, but as you get warmer and warmer, your working time will decrease rapidly. However, if you have opacity problems two coats may be necessary with a light sanding between coats. & Circuit Oars, Wakeboard, Wakesurf & List Name . 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. What would make this better and more useful? Do the math, and that yields 0.96cc per 100g of resin for 1% and 2.4cc for 2.5%. & Dock, Anchor Chains & Hardware, Marine HWnF}WK Man I hope its working. List Name. You can measure the fluid ounce (s) of resin in a clean mixing cup. 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. No catalysts are needed. ADD TO CART. MEKP Liquid Hardener - Jamestown Distributors Seats, Pontoon Boat Seats & PDF GELCOAT AND RESINS CATALYST RATIOS NCINSTGCCAT-v.2 - Multi-Tech Products I would forget the drops and using ounces. 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. The total area to be glassed is 90 square feet. 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. Mixing thoroughly is just as important. CREATE All rights reserved. There are about 20 drops in a cc/ml, so for 4oz of gelcoat you would mix 27 drops of MEKP. Note: All gel coats and resins from the Bottom Paint Store include MEKp with the applicable size of gelcoat/resin. !0Y|McnY>s,O*T* "LbfM;W20wmw!L Blocks, Marine and gelcoat needs twice as much catalyist. Handles, Life Jackets & When you purchase through links on our site, we may earn an affiliate commission, which supports our community. See more This is about 1% which is tuned for 80 degrees or higher. Accessories, PWC Parts & I am going to be making some small repairs which will require my working with about a table spoon spoon of gel coat at a time, How much hardner ( Drops ) will I need to mix with a table spoon of gel coat to get a proper cure. Under or over catalyzation retards curing and causes fading and chalking. rQ{.Z7. i[wk. 0000015094 00000 n Gel Coat Additives: You should also determine which additives you will use with your gelcoat application. 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. Mekp to resin chart difference | Boat Design Net DO NOT WORK IN DIRECT SUNLIGHT -Choose a shady location or an overcast day. Duct tape off adjacent gunwale molding, and deck fittings you are unable to remove. As nouns the difference between catalyst and hardener is that catalyst is (chemistry) a substance that increases the rate of a chemical reaction without being consumed in the process while hardener is one who, or that which, hardens. Gelcoat will not darken or change colors when it dries. Sparky568 Junior Member. Polyester resin is not nearly as forgiving as epoxy so you really gotta be on the money with the mix. I genuinely do care about ALL my customers and hope everyone of you achieve the absolute best results possible. Easy! The most common sticky problems are: Tacky, Sticky Resin: the problem occurs when two components A and B are measured and mixed inaccurate or curing in cold temperatures. Patch booster is used with a 5:1 ratio or about 20% by volume. Parts, Boat Tubing & 7. Each of these coats of gelcoat may involve several passes. This should be added after all other additives just prior to application. Gelcoat without wax is commonly used for laminating gelcoat in stages, or when applied onto a waxed mold, where fiberglass (or another reinforcing fabric) saturated in polyester resin is laminated onto the unwaxed gelcoat. MEKP can be added to polyester resin in the range of 1 to 2% by volume or weight. Can you apply second coat of gelcoat? I believe the 12:1 was written for 72 degree F days. It is typically used between 1.25% to 1.75% (1 2/3 ounce to 2 1/3 ounces per gallon). Are there different types of gelcoat? - TimesMojo PDF MEKP Ratio Chart Polyester Resin - Silpak Initially spray a cover coat as smooth and evenly as you can to cover your repair. How Many Drops Of Mekp Is 1 Oz Of Gelcoat 625 CC per ounce of gelcoat. cc = cubic centimeter. Gelcoat without wax is used when you have a different method selected to cure it. Here is the formula written out, remember products OTHER than resin require almost double the amount of MEKP to catalyze gelcoat, repair putty or fairing compound, for all your boat repairs or boat builds.Ounces of resin, times the percentage required of mekp times 30 equals the cc's required. (1 quart) 1/2 ounce to 1 ounce: 1 gallon: 2 ounces to 4 ounces: Important Note. Prepping the Surface: Remove rails, cleats, louvers, snaps, striping tape, etc. Be sure to have a good strategy when applying your gelcoat. This will accurately measure the proper amount of catalyst. Every 10 feet or so, youre going to want to clean your pad with a spur or some air to make sure the contaminants dont scratch your surface.If you want a perfect, glossy shine, use a machine glaze and then two wax coats,and youll have a stunning, glossy professional finish. 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. What is brushable gelcoat? The cabin top width is 108 inches. xref How many drops of MEKP is 1 oz of gelcoat? For Dogs & Cats Free Shipping at the best online prices at eBay! Need help mixing gel coat | Boating Forum - iboats Boating Forums As mentioned above, the plastic is to help with the cure. Chart for poly resin cure times vs. temp vs. MEKP? Add a New List . Jacks, Boat Trailer Brakes & %%EOF Epoxy activators are all proprietary, depending on the product. Amount of MEKP in Ounces. 0000030800 00000 n I purchased the gel coat which is matched to my color hull from Ranger boats and purchased MEK ( catalyst ) from O'Riley. The Right Fit, Shop By In this video I show you how to use some basic math to accurately measure the correct amount of MEKP for your polyester products. The percentages in the chart: 1% thru 2%, are percentages of resin or gelcoat by weight. A good practice is to pour the mixed gel coat from the mixing container into another container used for application. This will avoid unnecessary sanding scratches. Holder, Anchor & Dock 0000006330 00000 n How Many Drops Of Mekp Is 1 Oz Of Gelcoat - WHYIENJOY Mix thoroughly for at least one minute and apply immediately after. 114 0 obj <> endobj I want to say poly resin needs 10 drops of MEKP per 1 oz. 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. More features, tools? Sign up for newsletter: You've just added this product to the cart: FIRST QUALITY FIBERGLASS MATERIALS AT A PRICE YOU CAN AFFORD! 0000022891 00000 n How do you know how many ml's per drops you are getting? AND have fun!! However as at least one third of the gelcoat is particulate and not resin a mix of just 1.oo % should be fine. 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. Generally speaking, for Polyester Resins, the mixing ratio is 2% i.e. Add 2% catalyst to your chosen quantity of gel coat, stir very thoroughly and note the time. The specific gravity of MEKP is 1.045. Holders, Cabin Accessories & Come join the discussion about engines, modifications, classifieds, troubleshooting, fishing, boating, poles, maintenance, and more! therefore by my calculations you'll need 10 drops. Add 2% MEKP catalyst, by volume: 14-16 drops per ounce, or 2 teaspoons per pint. 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). If you brush on the gel coat, make sure to use a solvent resistant brush. How do you know how many ml's per drops you are getting? The ratio is dependant on air temperature, resin thickness, temperature of resin and mold. 13-15 cc per quart. Example: 20-30 minutes @ 77F for a 100g mass catalyzed with 1% MEKP. For 50 g gel coat add 1 g catalyst (approximately 20 drops) For 100 g gel coat add 2 g catalyst (approximately 40 drops) However, I can NOT guarantee you will achieve the same results as I would. Then scale up!! 3. use an eye dropper to catalyze small quantities 20 drops of mekp per. Determine the Existing Surface: First thing you want to do is look at the surface on which you want gelcoat applied. When sanding areas that have been filled with putty we suggest using 40 or 80 grit sandpaper, depending on how large the repair is. Video, GPS Chartplotters & Accessories, Pontoon Bimini Helm Seats, Shop 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. Mix the polyester resin with a catalyst named methyl ethyl ketone peroxide (MEKP) to begin curing. You are using an out of date browser. 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. Hardware, Boat Seat Varnish, Marine Adhesives, of Gelcoat w/o Wax = -1 oz. Most re-sprayed gelcoat will cure in 2-4 hours, although overnight cures are ideal. 0000003380 00000 n You can use either a heavy-duty, reusable plastic cup or disposable paper cup for spraying gelcoat. Our technicians suggest the use of Dyekum Steel Blue Dye to be really thorough. Start typing to see products you are looking for. Gel coats are often the exterior coating for composites parts, providing both the color and texture of the part. Maintenance, Fiberglass & Epoxy xref Yes, you can spray gelcoat with an airless sprayer however it is it is recommended to use a pressure of 3000 psi.The pressure at which you spray gelcoat depends on the type of gun you are using. Take steps to cover and protect the rest of the boat before starting. The thickness of the matchbook cover is approximately 18 mils. At 77F, adding 14-16 drops of MEKP to one ounce of TotalBoat Polyester Fairing Compound will provide a working time of 10-15 minutes, and will cure in 20-30 minutes. 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Gelcoat should not be applied over paint, wood, metal, or concrete. <<2369ebe0f6fbc740aa2d803257e02535>]>> MEKP is hazardous. Usually 12 drops per ounce of gelcoat or 1.8% at 77F. 2Oz is recommended for 1Gallon of Gel Coat or Resin. 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. Polyester resin is not nearly as forgiving as epoxy so you really gotta be on the money with the mix. Covers, Boat Wiring & It may not display this or other websites correctly. Fibreglass Catalyst Requirements - Nivitex will cover 160 Sq. 30 seconds, ensuring to scrape bottom and edges of the mixing container. startxref Terminals, Marine Fuse Blocks & Fasteners, Boat Windshield Towers, Tow Ropes & gelcoat resin and catalyst - alameed-med-services.com Veterinary Formula Clinical Care Ear Therapy 4 oz. For Dogs - eBay Similarly,how many drops of hardener do i need? Required fields are marked *, Please note, comments must be approved before they are published. The reason to use a non-wax is for putting on multiple coats without having to sand in between coats. Depending on the amount of resin needed, pour the appropriate ratios of polyester resin and MEKP into a heavy-duty plastic tub or bucket. When spraying to a radius, flow the gelcoat to the tape. Get all the latest information on events, sales and offers. (1) One Gallon Polyester Resin = 9.2 pounds (2) Specific Gravity MEKP = 1.13 (3) Drop from 1 oz. Working time is about 5 to 15 minutes, . Maintenance, Pumps and PDF Bondo fiberglass resin hardener ratio chart Motors, Fishing Downriggers & Boat, Sell A 0000017788 00000 n You will develop a repeatable and scalable process. Dollies, SportsStuff Great Big 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. Use a measuring cup rather than a syringe as it can be shot into the container and bounce back into the eyes. Plumbing, Fresh Water Boat Category, View Bilge Pumps, Shop Application of Marine Epoxy Primer to a Boat, How to Identify the Type of Paint on My Boat, Using a Signal Coat Indicator for Repainting Ablative Antifouling Paint, Testing for Compatibility of Topside Paint with Awlgrip Topcoat. When rolling on gelcoat be sure to use a 1/8 or 14 solvent-resistant nap. Stir well. The ratio range for catalyst to resin is 1 to 2 percent hardener to the total volume of resin to be used. 0000001127 00000 n Gel coat is a polyester resin and uses MEKP as the catalyst. How Many Drops Of MEKP Is 1 Oz Of Gelcoat? Ideal range is 1.8% @ 77F. This is the amount of Catalyst you will add in Ounces. That sounds about right. Tackle Boxes, Fishing Bait & Gelcoat Putty Repair Spider Cracks And Fill Gouges! How many drops of Polyener resin are in an ounce of hardener? How to choose the right bottom paint for my boat, Painting Your Boat with Interlux Bottom Paint: A Step-By-Step Guide. Rafts, Paddle Mix 2-3% of MEKP Hardener into the Gel Coat. Get a proper measuring cup and syringe and use cc's or ml's for both. Login, Boats .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. Gelcoat Catalyst Requirements. 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. Axles, Boat Trailer Tie Is pepperoni high in sodium? of Gelcoat = 1.5% @ 75F. Using the drop method, 4 drops are used. Tops, Other 0000023817 00000 n If youre not sure how thick it is, pick up a mil gauge. We encourage the use of Acetone, because it does not leave residue and evaporates easily. You want to use a buffer that turns 1600-3000 RPM. Ft. @ 10 Mils) 1 Fl. How to Apply Gelcoat | Easy Gelcoat Application - Bottom Paint Store It is mixed with a gel coat of one .. Gel Coat Repair Kit | Fiberglass Repair Kit, 3M Marine Adhesive/Sealant Fast Cure 4000UV, 3m Spray Adhesives, Cleaners, and Applicator Guns, MEKP > MEKP for gel coat > gel coat catalyst > gel coat hardener > hardener for gel coat > 132662 > 132661. Maintenance, Boat Cleaners & Marine Battery Chargers, Shop See this article for more information: How to Apply Gelcoat by Brush and Roller. It will take a minimum of two coats of gelcoat if you are changing colors. Kits, Boat Trailer This MEKP is the catalyst/hardening agent for polyester resins and polyester gelcoats. However, neither they nor any Catalyst Chart can provide the exact ratio by WEIGHT. To catalyze TotalBoat Polyester Laminating Resin, at 77F, add 7-8 drops of MEKP catalyst per one fluid ounce of resin. Start by sanding the surface with 150 grit or sandpaper. Covers, Boat Cover When mixing small batches, catalyze with 12-18 drops hardener per ounce of gelcoat. 0000002082 00000 n Manager at store told me to run 10-12 drops per oz of gelcoat I mix up. 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. of Fiberglass Resin (or for can of Fiberglass Resin, use tube of liquid hardener). They are sturdy and smooth on the inside to help with complete mixing. Plumbing, Anchor You will have between 5 and 10 minutes (longer in cold weather) to apply the gel to the mould. A forum community dedicated to Small Skiff owners and enthusiasts. For spraying gelcoat our FGCI brand does not recommend thinning. of Catalysts to be Used with Polyester Resins MEKP - Number of oz. Mix in the MEKP at 1-1.5% and see if it works ok on a test panel. Seats, Fishing Boat 0000003417 00000 n If the surface is painted then the paint should be removed before the gelcoat is applied. Gelcoat that is . How? PDF GEL COAT REPAIR - Marine Coat One Deals, Paint & Maintenance Quantity of Wax Additive Required: 1 ounce: 20 drops: 16 oz. Accessories, Marine DC Power Plugs #3. It is only when mixed with an epoxy hardener that they can cure properly. Why is my resin not hardening? 1 GALLON 2 OUNCES The ratio is 1-1 oz tube per quart, or a 4 oz tube per gallon. It is typically used between 1.25% to 1.75% (1 2/3 ounce to 2 1/3 ounces per gallon). 1 TBS = 1/2 oz. Software, Digital 100 ml at 1.5% is 1.5ml MEPK etc. You may purchase this item if you desire additional . I would forget the drops and using ounces. usually a material called surfacing agent (wax/styrene) or P V A. Now, once again, I know that we have been using 0.75% for our recommended minimum, and that has been successful all these years. This coat should be mostly in the repair area and may be repeated. On their own, epoxy resins are very stable fluids with relatively long shelf lives. Keep in mind that you have a limited time to apply what you have mixed (usually between 5-15 minutes). Another option is you can use an 800 grit compound for the gelcoat at this stage. MEKP Hardener gallon (#69-D) and case (#69-E) units are considered hazardous (flammable) and will be subject to a hazard charge if shipped by standard ground. Click Here. Here is an Old School MEKP Chart for Download if you prefer. 0000030992 00000 n 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. Spray: Airless or Conventional: 2.0-2.5 orifice tip. This is a simple, easy way to see the thickness of your gelcoat. Can u paint over gelcoat? I do suggest you start small. Free shipping for many products! Detectors, Binoculars & The color wet is the color when dry. Caulking, Marine Engine Practice and prepare!! Thoroughly mix paste, pigments, and hardener. Finish/topcoat with. Gel Coat Application Guide | Basic Application Methods & Repair Add the MEKP . Well, first and foremost, using a Catalyst Chart or these Catalyst Calculators will increase the quality of your work. 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. As a general rule: The catalyst level (MEKP) should not exceed 3.0% or fall below 1.2 for proper cure. Check color thoroughly before applying. Products, Carbon Monoxide & Platforms, Slide

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