Systems, Marine Plumbing Mike, Your email address will not be published. Mix small batches at a time since too much MEKP will result in the hardening of the gelcoat way too fast! When working on the deck or cabin, tarp off the adjacent areas. Forums, Find 0000030992 00000 n This MEKP is the catalyst/hardening agent for polyester resins and polyester gelcoats. 19 drops per oz @ about 75 degree produce a quicker drying time with better results . 0000001463 00000 n Free shipping for many products! & Vinyl, Floating Boat of Gelcoat = 1.5% @ 75F. Mix the polyester resin with a catalyst named methyl ethyl ketone peroxide (MEKP) to begin curing. Resin and Gelcoat differ in weight. of Gelcoat w/o Wax = 1/4 oz. 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. How much MEKP is needed to catalyze TotalBoat Polyester Laminating For spraying gelcoat our FGCI brand does not recommend thinning. The total area to be glassed is 90 square feet. Parts, Rule 1500 GPH Automatic Quantity of Wax Additive Required: 1 ounce: 20 drops: 16 oz. ACCOUNT, Find I genuinely do care about ALL my customers and hope everyone of you achieve the absolute best results possible. . %%EOF Accessories, Pontoon Bimini We offer pre-mixed colors of gelcoat, use this color chart as a guide for the available colors that we have. Mix in the MEKP at 1-1.5% and see if it works ok on a test panel. 0000015094 00000 n 0000002777 00000 n A good practice is to pour the mixed gel coat from the mixing container into another container used for application. The correct ratio will appear below. DO NOT WORK IN DIRECT SUNLIGHT -Choose a shady location or an overcast day. Marine Battery Chargers, Shop Let's hope this works this time! Biminis, RV & Trailer Pot life (amount of time for application of the product) shortens dramatically as you mix larger batch sizes. Cable, Marine Batteries & Why is my resin not hardening? Spraying gel coat is recommended for more accurate and consistent coverage. I would forget the drops and using ounces. 114 28 0000015038 00000 n 0000023127 00000 n Gelcoat is significantly heavier than Resin because of the fillers and pigments added. Salto. 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. The correct ratio is 11cc per 1/2 gallon. Sanding Existing Gel Coat: You want to sand the surface to make a mechanical bond to the gel coat. 0000000016 00000 n Accessories, Big Jon Do the math, and that yields 0.96cc per 100g of resin for 1% and 2.4cc for 2.5%. Drink Holders. This item is flammable and can only be shipped by ground. Correct application of gelcoat is critical to get the optimum performance from it. Since manufacturer specs change often due to formula updates be sure to follow the most recent recommendations from the technical data sheets. You have a work time of approximately 15 minutes. Gain access to PREMIUM Calculators by WEIGHT when you subscribe today. of wax; and 1 gal. Once the coating (gelcoat) has cured, it should be block sanded using 250 wet grit paper to remove all brush marks and high spots. Resins MEKP - Number of cc per Volume), Catalyst Concentration by Thank you! Check color thoroughly before applying. 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. Helm Seats, Shop There are about 20 drops in a cc/ml, so for 4oz of gelcoat you would mix 27 drops of MEKP. Use a measuring cup rather than a syringe as it can be shot into the container and bounce back into the eyes. Below are some things to consider when trying to figure out how many drops of mekp is 1 oz of gelcoat. Its a very small number. your boats Gel Coat Match, Shop Gelcoat should not be used when temperature conditions are below 60F, as curing may be adversely affected. Financing, Iboats Resin starts to cure but does not go all the way completely. Example: 20-30 minutes @ 77F for a 100g mass catalyzed with 1% MEKP. Category, View Fenders, Boat Trailer Holder, Anchor & Dock ounce of gelcoat will give you 2% ratio at gel time of 20 to 30 minutes at. This morning not even tacky and hard enough to sand already! 0000000016 00000 n (1 quart) 1/2 ounce to 1 ounce: 1 gallon: 2 ounces to 4 ounces: Important Note. 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. 0000019960 00000 n The application of gelcoat is pretty straightforward when you follow this guide. Deals, Trailering You may purchase this item if you desire additional hardener. 0000022629 00000 n At 77F 1.8% MEKP will provide a gel time of 10-17 minutes. Galley, Covers and That sounds about right. Ounces (Volume 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. Thoroughly mix paste, pigments, and hardener. Depending on the amount of resin needed, pour the appropriate ratios of polyester resin and MEKP into a heavy-duty plastic tub or bucket. This time element is dependent on material temperature, room temperature, humidity, air movement, and catalyst concentration. Add 14 drops of liquid hardener per 1 oz. It needs to be handled with care. Fillers are added to help control peak exotherm, shrinkage, and cure rate. Protection, Dock Storage & Can u paint over gelcoat? d23 ?P90. All rights reserved. High Back Reclining Helm Seat, Cabin and 0 Check the temperature of the Gelcoat stock and insure that it is not below 70F. It is also needed with all gel coats. If you decide to Double or Triple the Volume to do a larger project or portion, the Calculator does the math for you! Once you mix and catalyze, you have about 15 minutes to apply the gelcoat before it starts getting hard or starts togel. The actual working time depends on the amount of catalyst and how hot the working conditions are. MEKP is hazardous. Terminal The minimum recommendation from Dow is 1% MEKP to resin by weight, with a maximum of 2.5%. 3 PK REFRESH LIQUIGEL Lubricant Eye Gel 0.50 oz NIB EXP. 06/2024 - eBay The cc and oz values in the chart have been converted from weights of MEKP to volumes of MEKP. 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. The non-wax gelcoat will remain sticky untill the wax is added. Gelcoat Repair Part 2: Mixing and Application. Here is an Old School MEKP Chart for Download if you prefer. 30 seconds, ensuring to scrape bottom and edges of the mixing container. You will need to thin the gelcoat for it to run through the spray gun. Breakers, Power Packs & Jump Be sure not to use foam rollers because they tend to leave the bubbles. 0000023586 00000 n xbbb`b`` 2 PDF Gel Coat Instructions - Marine Gel Coat Repair Product | Marine Products 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. Mix thoroughly for at least one minute and apply immediately after. This will accurately measure the proper amount of catalyst. The thickness of the matchbook cover is approximately 18 mils. Man I hope its working. We recommend 1.5% - 2.0 % by volume. Maintenance, Boat Cleaners & Thanks in advance for your help. Adding too much of either resin or hardener will alter the chemical reaction and the mixture will not cure properly. Each of these coats of gelcoat may involve several passes. 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. Communication, Auto Pilot HELP! Gelcoat cure question | Boat Design Net Use one or the other. More if temps <60> 80 or 90. MEKP Hardener 1 oz. Biminis, View Systems, Lowrance Hook2-4 GPS Good news! Keep in mind that you have a limited time to apply what you have mixed (usually between 5-15 minutes). Gelcoat will not fully cure without adding a surfacing agent or wax additive sanding aid. 0000018269 00000 n 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. Preparing the Surface for Application: Next, youre going to have to clean the surface. Hardware, Boat Cabin Tables, Minn Kota The Volumetric Calculators above are GREAT tools. Fasteners, Boat Windshield Also I understand, after an area has been repaired that it should be covered with clingwrap or a material such as a plastic bag in order fo gel coat to cure properly. Mixing SMALL amounts of gel [Archive] - Scream And Fly Powerboat and Tubes, Shop The final thickness should be 16-20 mils minimum or the gelcoat may not fully cure. of MEKP to 1 gallon of polyester resin. Our technicians suggest the use of Dyekum Steel Blue Dye to be really thorough. Beside above,how many drops of resin are in an ounce of mekp? 0000003945 00000 n 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. Unfilled resin can heat up to 300F resulting in cracking. Sparky568 Junior Member. Catalyze gel coat with #69 MEKP at 1.5%. & Circuit Get a proper measuring cup and syringe and use cc's or ml's for both. However, neither they nor any Catalyst Chart can provide the exact ratio by WEIGHT. For example, if you are using a conventional spray gun, you should set the pressure between 30 and 50 psi. Similarly,how many drops of hardener do i need? Does gelcoat need wax? Gel Coat Application Guide - How to apply gelcoat correctly Seats, Pontoon Boat Seats & Fibreglass Catalyst Requirements - Nivitex 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. Lay on the gel coat in a heavy thickness (about 10 mils) using horizontal strokes, and working from top to bottom. 0000001899 00000 n Ropes, Boat As soon as you are done spraying, clean your sprayer fully with acetone. Resins that have Duratec in their name require a 2% mix ratio (2 2/3 ounces per gal Flow -coat on the other hand will have wax added, I suspect this might be what you have, (Gel-coat = no wax. Or UPGRADE! How do you know how many ml's per drops you are getting? Adding more of less of the catalyst agent will speed up or slow down the curing time for the resin. Gel Coat Application - Sea Hawk Paints How to Apply Gelcoat by Brush and Roller. Legal Disclaimer: User assumes all liability. 0000003263 00000 n Accessories, PWC Parts & rQ{.Z7. i[wk. Does resin need hardener? trailer 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. If you want CONSISTENT RESULTS every time you mix, YOU NEED to MEASURE BY WEIGHT NOT VOLUME!! Winches, Boat Motor Supports & Hardware, Marine gelcoat resin and catalyst - alameed-med-services.com That's really hard to weigh! In this video I show you how to use some basic math to accurately measure the correct amount of MEKP for your polyester products. Manager at store told me to run 10-12 drops per oz of gelcoat I mix up. In the meantime, you might find this article helpful: Gel Coat Application Guide - How to apply gelcoat correctly (fiberglasssupply.com) Last edited: Jun 1, 2022 0 Measurements need to be exact so you can be confident the gelcoat is mixed properly before applying it to the surface. Covers, Other Amount of MEKP in Ounces. 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. This further assures that no uncatalyzed material is clinging to the sides of the pot. Gel Coat Application Guide | Basic Application Methods & Repair Blocks, Marine MEKP-925 Methyl Ethyl Ketone Peroxide Hardener Catalyst That's the problem. It is also needed with all gel coats. 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. The ratio is 1-1 oz tube per quart, or a 4 oz tube per gallon. PINT (16OZ) 1/4 OUNCE In temperatures below 70 degrees, the paraffin can QUART (32OZ)1/2 OUNCEsolidify in the bottle. If the gelcoat is in good condition with no major cracking or crazing, the job is relatively straightforwardclean and prepare the surface, apply an epoxy primer, sand the primer, remove the sanding residue and then apply the topcoat. Meters, Marine Electrical Panels The color wet is the color when dry. hry/ %qSB>JdM|}gvei8=sY<9Y'W`g09tkJLNf B3!^Oil d6m|uM} p{ql+s,S'. 0000030800 00000 n 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. All Gelcoats from the Bottom Paint Store comes with the MEKP catalyst but additional amounts can be purchased. Using 38 inch wide cloth, Mr. Smith needs three 10 ft. pieces. Working time is about 5 to 15 minutes, . 0000002941 00000 n The reason to use a non-wax is for putting on multiple coats without having to sand in between coats. Pot life at 75F is approximately ten minutes. Find many great new & used options and get the best deals for Veterinary Formula Clinical Care Ear Therapy 4 oz. Copyright 2019 IBOATS. (2% of MEKP for colder temperatures.) How Many Slices Is 1 Oz Of Pepperoni - WHYIENJOY Accessories, Marine DC Power Plugs 0000006580 00000 n Keeping good notes will help you build a database of initiator levels for temperatures that you encounter frequently. 0000013646 00000 n Deals, Dealer Acessories, Fishing Outriggers & 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 . 100 ml at 1.5% is 1.5ml MEPK etc. Adding more of less of the catalyst agent will speed up or slow down the curing time for the resin. Turning brown or even worse your mixing jar catching on fire. We recommend 1.5% 2.0 % by volume. 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. Specific gravity MEK peroxide Switches, Shore Power & AC Gelcoat is available with or without wax. You should also feather the surrounding area of the gel coat repair with 220/330. MEKP Hardener for Gel Coat and Resin - Bottom Paint Store All, Anchor & Gelcoat Touch up | Sailboat Owners Forums 0000003417 00000 n Thanks, Measure ArtResin in precisely equal amounts by volume: Adding too much of either resin or hardener will alter the chemical reaction and the mixture will not cure properly. (#69-A) unit can be shipped via standard ground service without hazard charges within the 48 contiguous United States. Can I spray gelcoat with an airless sprayer? Come join the discussion about engines, modifications, classifieds, troubleshooting, fishing, boating, poles, maintenance, and more! How many drops of MEKP is 1 oz of gelcoat? - AnswersAll Most re-sprayed gelcoat will cure in 2-4 hours, although overnight cures are ideal. Mix in the MEKP at 1-1.5% and see if it works ok on a test panel. 0000001050 00000 n Catalyzing Gelcoat with MEKP: The catalyst level (MEKP) should not exceed 3.0% or fall below 1.2 for proper cure. Gelcoat will not darken or change colors when it dries. 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. Okay, so how is this MEKP Catalyst Chart or these handy Calculators useful? What would make this better and more useful? Ft. @ 10 Mils), Catalyst Concentration by CC (Volume of Catalysts to be Used with Polyester Use a gelcoat spray gun such as ES Manufacturing Gelcoat Spray Gun G830, ES-G100 Spray Gun, or equivalent. Once gel coat has tacked up, about 20 minutes after final layer has been applied, lay-up of the part can begin. I would forget the drops and using ounces. 1 Oz is recommended for 1 Quart of Gel Coat or Resin. Gelcoat Catalyst Requirements. #3. 3. use an eye dropper to catalyze small quantities 20 drops of mekp per. Grills, Boat Drink Gelcoat should not be applied over paint, wood, metal, or concrete. 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. You need to stick to the 1:1 ratio that is measured by volume. Supplies, Boston Whaler, 1972-1993, Also, they are used for the first sanding of gouges, dock dings, scratches, and blisters. The ratio is on the hardener container. The ratio is dependant on air temperature, resin thickness, temperature of resin and mold. 0000005113 00000 n When MEKP is mixed with polyester or vinylester resin, the resulting chemical reaction causes heat to build up and cure or harden the resin. therefore by my calculations you'll need 10 drops. Gel Coat Instructions - Marine Gel Coat Repair Product | Marine Products Deals, Camping & RV Boats, Propeller Parts & If adding pigment do so first and thoroughly stir in mixing well before adding catalyst, be careful not to under or over pigment. 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. Accessories, Electronic Navigation CREATE How many drops of MEKP is 1 oz of gelcoat? Trailer Winches, Shop Dock, Cabin and Duct tape off adjacent gunwale molding, and deck fittings you are unable to remove. It will take a minimum of two coats of gelcoat if you are changing colors. Thanks for the help. Boarding, Paddles & 0000012247 00000 n For use as a final coat over fiberglass layups or for repairs, this gelcoat cures to a hard, glossy surface. You are using an out of date browser. Mixing out of the above range will result in a weaker cured resin. Starters, Marine Solar Power Add 2% MEKP catalyst, by volume: 14-16 drops per ounce, or 2 teaspoons per pint. Detectors, Binoculars & 2. Location. Less MEKP gives a slower cure, more gives a faster cure. Description. 0000017788 00000 n 06/2024 at the best online prices at eBay! For the Water Clear Casting Polyester Resin, this drops to 1.5% or 15ml for every 1kg. Use 6 drops of catalyst into 10ml of resin. I believe the 12:1 was written for 72 degree F days. Shop online or request a free catalog. Gel Coat Additives: You should also determine which additives you will use with your gelcoat application. I used acetone and sanded off the old gelcoat. . Be even and consistent in your gun movement, overlapping each previous pass slightly and not hesitating on the ends. It may not display this or other websites correctly. 1 GALLON 2 OUNCES Upgrade the Premium MEKP Catalyst Calculator by WEIGHT EXCLUSIVELY offered by Vernese Customs. 141 0 obj <>stream Do you need to add catalyst to resin? OUNCE 20 DROPSWhen using Surfacing Wax with your resin/gelcoat, youmust also add the MEKP(Hardener). For a better experience, please enable JavaScript in your browser before proceeding. 28.4cc Catalyst Amount by CC Catalyst Concentration by CC (Volume of Catalysts to be Used with Polyester Let the polyester filler cure until material is firm and tack free, about 10 minutes. You can over-spray with PVA before gel coal reaches its gel stage (5-10 min. Beside this,how many drops of hardener do i need for gelcoat? The warmer the temperature the less MEKp you would to activate the gelcoat/resin. With the new ratio of .6 CC per oz of gelcoat everything took perfect. Tops, Other PDF GELCOAT REPAIR GUIDELINE NCINSTGCGD-v 2 - Multi-Tech Products Keep in mind that it is best to mix in small quantities. 30 drops is approximately equal to one cc. If there is a trim color, you should have a narrow trim brush on hand. Maintenance, Pumps and All Gel Coats from Bottom Paint Store come with MEKP with each gelcoat purchase. Deals, Boat Seats 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. Ideal for touching up scratched gelcoat. 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. Mix thoroughly to ensure that all gel coat is properly catalyzed. This will avoid unnecessary sanding scratches. Avoid brushes that are either too stiff or too soft. Note: All gel coats and resins from the Bottom Paint Store include MEKp with the applicable size of gelcoat/resin. (108 in . At this point, the repair is ready to prep and spray/brush with gelcoat. Find many great new & used options and get the best deals for 3 PK REFRESH LIQUIGEL Lubricant Eye Gel 0.50 oz NIB EXP. Oz = fluid ounce . CATALYST LARGE QUANTITY CHART Catalyst Concentration Resin Quantity Quart Gallon 5 Gallon 1/2% 1/16 oz 2/3 oz 1 1/3 oz 3/4% 1/4 oz 1 oz 5 oz 1% 1/3 oz 1 1/3 oz 6 2/3 oz 1 1/2% 1/2 oz 2 oz 10 oz CATALYST SMALL QUANTITY CHART CatalystConcentration Resin Quantity30 drops = 1 cc 2 oz 4 oz 8 oz 12 oz 16 oz 1/2 % 9 drops 18 FIB-603 -- 2 oz (for 1 gallon of resin) FIB-604 -- 240cc for 5 Gallons of resin. Spraying gel coat is recommended for more accurate and consistent coverage. Ratio The ratio range for catalyst to resin is 1 to 2 percent hardener to the total volume of resin to be used. endstream endobj 115 0 obj <>/Outlines 1 0 R/Metadata 14 0 R/PieceInfo<>>>/Pages 13 0 R/PageLayout/OneColumn/StructTreeRoot 16 0 R/Type/Catalog/LastModified(D:20130606150718)/PageLabels 11 0 R>> endobj 116 0 obj <>/Font<>/ProcSet[/PDF/Text]/ExtGState<>>>/Type/Page>> endobj 117 0 obj [118 0 R] endobj 118 0 obj <>/A 132 0 R/F 4/H/I/StructParent 1/Border[0 0 0]/Type/Annot>> endobj 119 0 obj <> endobj 120 0 obj <> endobj 121 0 obj <> endobj 122 0 obj <> endobj 123 0 obj [/ICCBased 133 0 R] endobj 124 0 obj <>stream Compound and polish with Aquabuff 2000 then happy a wax such as Collinite 925 UV for protection. When sanding areas that have been filled with putty we suggest using 40 or 80 grit sandpaper, depending on how large the repair is. Marine Coat One Iso/Npg Marine Gel Coat White with Wax with MEKP Catalyst for Hardening, Plus 6 Color Tinting Pigments for Your Perfect White Match (1 Quart) 4.4 out of 5 stars 352 3 offers from $33.99 Downs, Couplers, Mounts, Gelcoat can take as much a 2x the amount of MEKP as resin. then sanding the gel coat down starting with 150, 220, 400 wet and 600 wet. Plumbing, Anchor Have you ever spent what seems like days measuring drops of mekp or catalyst for your polyester resin? When mixing MEKP with resin, take care as a violent mixing action can splash it out of the mixing container. 27. Shelters, Boat PDF Directions for Using MEKP Catalyst - Fibreglass & Resin Sales How Many Drops Of Mekp Is 1 Oz Of Gelcoat 625 CC per ounce of gelcoat. (16 oz. Failing to do so will result in the resin not hardening as it should. 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. Holders, Cabin Accessories &
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