Boat Repair, Boat Paint & <]>> How many drops of MEKP is 1 oz of gelcoat? Mix thoroughly for at least one minute and apply immediately after. Outdoor Hub, LLC (d/b/a Carbon Media Group), 30800 Telegraph Rd, Suite 1921, Bingham Farms, MI 48025 USA. Communication, Auto Pilot 0000003229 00000 n 0000023817 00000 n JavaScript is disabled. For most work, a 3 or 4 wide brush will suffice. 1 ea contains 1 ea . Fenders, Boat Trailer Systems, Marine Plumbing You will develop a repeatable and scalable process. While it might eventually cure as long as it doesn't freeze, gel coat doesn't like temperatures below 10*C. Products, Carbon Monoxide & Click Here. 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. Adding more of less of the catalyst agent will speed up or slow down the curing time for the resin. How to Apply Gelcoat by Brush and Roller. Gelcoat can take as much a 2x the amount of MEKP as resin. Be sure to have a good strategy when applying your gelcoat. Forums, Find Ski, Wakeboard Holder, Anchor & Dock Distribution, ProMariner ProNautic The normal ration of resin to catalyst is just over 1% but should not go over 2.5%. Protection, Dock Storage & 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. Check color thoroughly before applying. 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. First, decide if you need one or two coats of gelcoat. For example, four drops of hardener will be 1 percent of 1 ounce of resin.How much hardener do you add to polyester resin? 3M and UV tapes , and masking papers are recommended. Now, once again, I know that we have been using 0.75% for our recommended minimum, and that has been successful all these years. X`:.geS>Xpiq~\\|=)Dv0'O-GFT# This time element is dependent on material temperature, room temperature, humidity, air movement, and catalyst concentration. 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 Adding too much of either resin or hardener will alter the chemical reaction and the mixture will not cure properly. PINT (16OZ) 1/4 OUNCE In temperatures below 70 degrees, the paraffin can QUART (32OZ)1/2 OUNCEsolidify in the bottle. Galley, Barbeque This works on every single polyester product, not just the amazing products at totalboat. 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. Deals, Pumps & Plumbing This further assures that no uncatalyzed material is clinging to the sides of the pot. Guide, Boat Wells, Toilet & Waste Avoid brushes that are either too stiff or too soft. <<2369ebe0f6fbc740aa2d803257e02535>]>> For the Water Clear Casting Polyester Resin, this drops to 1.5% or 15ml for every 1kg. Parts, Inflatable 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. Gel Coat Instructions - Marine Gel Coat Repair Product | Marine Products Plumbing, Anchor Seats, Pontoon Boat Seats & Have you ever spent what seems like days measuring drops of mekp or catalyst for your polyester resin? Hardware, Boat Seats by Gelcoat requires Methyl Ethyl Ketone Peroxide or MEKP to enable the process of hardening. Thoroughly mix paste, pigments, and hardener. Biminis, Paint and Beside above,how many drops of resin are in an ounce of mekp? of Gelcoat w/o Wax = -1 oz. Gelcoat needs to be applied evenly. Darker color gelcoats will also require more MEKp then the recommended amounts above. Use 6 drops of catalyst into 10ml of resin. 0000005113 00000 n Come join the discussion about engines, modifications, classifieds, troubleshooting, fishing, boating, poles, maintenance, and more! Fasteners, Boat Windshield Why is my resin not hardening? Go on line to gelcoat suppliers like Spectrum to confirm how many drops of mepk they recommend. Legal Disclaimer: User assumes all liability. trailer 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. Plumbing, Fresh Water Boat . %%EOF Professionals, Boat Restoration, Building, and Hull Repair, Shop Ideal for touching up scratched gelcoat. This is one of the questions Bottom Paint Store is asked the most.Lets start with explaining that gelcoat is not a paint but a type of resin that is used to provide a protective layer over fiberglass. How Many Drops Of Mekp Is 1 Oz Of Gelcoat 625 CC per ounce of gelcoat. Well, first and foremost, using a Catalyst Chart or these Catalyst Calculators will increase the quality of your work. Mix in the MEKP at 1-1.5% and see if it works ok on a test panel. One gallon will cure approximately 100 gallons of resin and 50 gallons of gelcoat. Rafts, Paddle That's really hard to weigh! I do suggest you start small. The higher the temperature, the less hardener you need. Parts, Rule 1500 GPH Automatic Mix thoroughly for at least one minute and apply immediately after. When a production boat is made in a female mold, the gel coat goes in first, directly against the waxed and mold release coated mold. 2 Oz is recommended for 1 Gallon of Gel Coat or Resin. 0000003263 00000 n Boarding, Paddles & Another option is you can use an 800 grit compound for the gelcoat at this stage. When MEKP is mixed with polyester or vinylester resin, the resulting chemical reaction causes heat to build up and cure or harden the resin. Using 38 inch wide cloth, Mr. Smith needs three 10 ft. pieces. Refer to the catalyst chart located on the product page for the gelcoat you are using or follow the label guidelines. 3. use an eye dropper to catalyze small quantities 20 drops of mekp per. Boat, Boat Buyers I purchased the gel coat which is matched to my color hull from Ranger boats and purchased MEK ( catalyst ) from O'Riley. #3. A good practice is to pour the mixed gel coat from the mixing container into another container used for application. This is about polyester gel with MEKP hardener. Sealant, & 06/2024 at the best online prices at eBay! CREATE Cable, Marine Batteries & For example, four drops of hardener will be 1 percent of 1 ounce of resin. Financing, Iboats At this point, the repair is ready to prep and spray/brush with gelcoat. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Used as the hardener (activator) in Gel Coats and Resins. 0000003945 00000 n Bilge Pumps, Shop Thanks, Accessories, PWC Parts & 38 in. PFDs, Roof Racks, Carriers, 0000001050 00000 n 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. ounce of gelcoat will give you 2% ratio at gel time of 20 to 30 minutes at. Upgrade the Premium MEKP Catalyst Calculator by WEIGHT EXCLUSIVELY offered by Vernese Customs. Then use a rubbing compound to remove the rest of the scratches. The ratio is on the hardener container. and gelcoat needs twice as much catalyist. Systems, Lowrance Hook2-4 GPS The Ideal range is 1.8% @ 77F (approximately 12 drops per ounce of gelcoat.) of Gelcoat w/o Wax = 1/4 oz. 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. Manufacturer, Boat Tables & Polyester resin is not nearly as forgiving as epoxy so you really gotta be on the money with the mix. Do not use any other wax additive when using Patch Booster. I want to say poly resin needs 10 drops of MEKP per 1 oz. Newbury, MA. Tags: MEKP > MEKP for gel coat > gel coat catalyst > gel coat hardener > hardener for gel coat > 132662 > 132661. Sanding between coats is not necessary unless a surfacing agent has been added to your gel coat. Conversely, you will need moreMEKp for cooler temperatures. We recommend 1.5% - 2.0 % by volume. 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. MEKP can be added to polyester resin in the range of 1 to 2% by volume or weight. Use a measuring cup rather than a syringe as it can be shot into the container and bounce back into the eyes. 0000000016 00000 n Be sure not to use foam rollers because they tend to leave the bubbles. Catalyze your material so that it has a longer pot life. Software, Digital This MEKP is the catalyst/hardening agent for polyester resins and polyester gelcoats. 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. 0000002777 00000 n 1 Oz is recommended for 1 Quart of Gel Coat or Resin. 0000015094 00000 n Hardware, Boat Cabin Drink Holders. Can u paint over gelcoat? therefore by my calculations you'll need 10 drops. The car polishers wont work if theyre spinning too slowly, so you want to check the speed of the spin. List Name . 0000009357 00000 n hry/ %qSB>JdM|}gvei8=sY<9Y'W`g09tkJLNf B3!^Oil d6m|uM} p{ql+s,S'. Easy! Clean the repair area and all tools with acetone prior to application. 0000001255 00000 n 0000001463 00000 n Here is an Old School MEKP Chart for Download if you prefer. The mid point of 1.5% is most common. At 70 degrees, you get 15 minutes, but at 90 degrees, you only get 5 minutes. Creating is very rewarding! As mentioned above, the plastic is to help with the cure. (1) One Gallon Polyester Resin = 9.2 pounds (2) Specific Gravity MEKP = 1.13 (3) Drop from 1 oz. Free shipping for many products! 0000006580 00000 n Once gel coat has tacked up, about 20 minutes after final layer has been applied, lay-up of the part can begin. Dock, Cabin and Once the coating (gelcoat) has cured, it should be block sanded using 250 wet grit paper to remove all brush marks and high spots. 2. OUNCE 20 DROPSWhen using Surfacing Wax with your resin/gelcoat, youmust also add the MEKP(Hardener). (1 pint) 1/4 ounce: 32 oz. They are flexible enough to make pouring easy. That is what target for. The cc and oz values in the chart have been converted from weights of MEKP to volumes of MEKP. Gelcoat Catalyst Requirements. Gelcoat should not be applied over paint, wood, metal, or concrete. 75 degrees F. Similarly,how many drops of hardener do i need? Towers, Tow Ropes & trailer Enjoy!!! Use milliliters its easier to do the ratio math. Galley, Covers and The reason to use a non-wax is for putting on multiple coats without having to sand in between coats. The thickness of the matchbook cover is approximately 18 mil. 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. There are 2 thinners that are recommended by the manufacturer when spraying gelcoat: Patch Booster, and Duratec. I used acetone and sanded off the old gelcoat. The specific gravity of MEKP is 1.045. High Back Reclining Helm Seat, Cabin and All, Boat Bimini Duratec is for a cosmetic high gloss finish. 2007 Beavertail Opsrey - 2017 Suzuki DF60A. Maintenance, Fiberglass & Epoxy Epoxies are much simpler to get a good ratio by weight. Rails, Marine Tools & Tool For 50 g gel coat add 1 g catalyst (approximately 20 drops) For 100 g gel coat add 2 g catalyst (approximately 40 drops) Accessories, Marine Electrical 0000018032 00000 n Mike, Your email address will not be published. You can measure the fluid ounce (s) of resin in a clean mixing cup. Under- or over-catalyzed gel coat will cure slower and look faded or chalky. All, Anchor & Accessories, Boat Pumps, Livewell Aerator Pumps In open flat areas, layer passes. 0000001899 00000 n Tables, Minn Kota Patch booster is used with a 5:1 ratio or about 20% by volume. Start typing to see products you are looking for. 0000001279 00000 n 0000013646 00000 n Maintenance, Boat Cleaners & Unfilled resin can heat up to 300F resulting in cracking. cloth = 2.84 or 3 pieces). 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. Hardware, Marine 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. Be even and consistent in your gun movement, overlapping each previous pass slightly and not hesitating on the ends. Approximately ten drops of MEKP to each 1/2oz. 0000023354 00000 n MEK, short for MEKP, is the "Hardener" or catalyst for Polyester Resin and Vinylester Resin Systems including Isothalic and Gelcoat. Measure catalyst accurately. Screws, Boat Handles, Pulls, Tops, Bimini Top 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. Sign up for newsletter: You've just added this product to the cart: FIRST QUALITY FIBERGLASS MATERIALS AT A PRICE YOU CAN AFFORD! No catalysts are needed. If you brush on the gel coat, make sure to use a solvent-resistant brush. For a better experience, please enable JavaScript in your browser before proceeding. Get a proper measuring cup and syringe and use cc's or ml's for both. 0000003724 00000 n As a general rule: The catalyst level (MEKP) should not exceed 3.0% or fall below 1.2 for proper cure. For use as a final coat over fiberglass layups or for repairs, this gelcoat cures to a hard, glossy surface. Accessories, Electronic Navigation GPS Chartplotter and Fish Finder Combo, Find All rights reserved. You should find a warmer spot to move your piece such as room or working office. It is typically used between 1.25% to 1.75% (1 2/3 ounce to 2 1/3 ounces per gallon). Hitches, & 141 0 obj <>stream Do not use more than 1 oz tint per quart. Duct tape off adjacent gunwale molding, and deck fittings you are unable to remove. Trolling Motors, Shop Copyright 2019 IBOATS. 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. ), or add 1oz per quart/ 4 oz per gallon of wax additive sanding aid. Does resin need hardener? How do you know how many ml's per drops you are getting? Sanding Existing Gel Coat: You want to sand the surface to make a mechanical bond to the gel coat. Mix thoroughly to ensure that all gel coat is properly catalyzed. 0000017788 00000 n Deals, Camping & RV MEKP Hardener 1 oz. Please follow the instructions located on the products page or the label. Clean the fiberglass surface with ajax or comet and water. Do you sell MEKP? I liked using 19 drops per oz on my second try (more catalyst is specified when gel coat is mixed with wax . B. Transom 0000006855 00000 n Manager at store told me to run 10-12 drops per oz of gelcoat I mix up. 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. How do you know how many ml's per drops you are getting? Mixed 3 new ounces of gelcoat and put between 1.8-1.9 cc's (0.625 cc's per oz) of MEKP in the mix for two minutes. Working time is about 5 to 15 minutes, . 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. 50 Graduated Paper Cups Perfect for mixing small batches resin, paint, stain, epoxy from 1 to 3 ounces. Biminis, RV & Trailer Add 14 drops of liquid hardener per 1 oz. This is the amount of Catalyst you will add in Ounces. 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. 0000002243 00000 n It may not display this or other websites correctly. If it is in the 60's use 2.5 cc/ml or 50 drops for 2% MEKP. This is eye needs cataract surgery; thought it would help - actually . Tubes, Shop Deals, Electronics 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. As soon as you are done spraying, clean your sprayer fully with acetone. If you want to roll on a gelcoat, be sure to use a 1/8 or 14 solvent-resistant nap. 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. Quantity. Cushions, Lexington Catalyzing Gelcoat with MEKP: The catalyst level (MEKP) should not exceed 3.0% or fall below 1.2 for proper cure. For example, four drops of hardener will be 1 percent of 1 ounce of resin. FREE MEKP Calculator for Quarts and Ounces. Anchor Box Anchors, Fishing Rod & Reel Depending on the amount of resin needed, pour the appropriate ratios of polyester resin and MEKP into a heavy-duty plastic tub or bucket. It needs to be handled with care. 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. Amount of MEKP in Ounces. 0000022891 00000 n 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. Otherwise, one coat will do. We have all done it in a pinch, but there's a quicker way. 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 Its best to do a 4-foot by 4-foot area at a time. May 7, 2007. 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. 11 0 obj<> endobj Each of these coats of gelcoat may involve several passes. Combos, Fishing Tools & 0000002941 00000 n Pot life (amount of time for application of the product) shortens dramatically as you mix larger batch sizes. Covers, Boat Shrink Wrap With the new ratio of .6 CC per oz of gelcoat everything took perfect. Mix in the MEKP at 1-1.5% and see if it works ok on a test panel. For spraying gelcoat our FGCI brand does not recommend thinning. Keeping good notes will help you build a database of initiator levels for temperatures that you encounter frequently. Bullet Skimmer, Paint and Remove seals from the edges of parts or fittings when doing a repair around that part or fitting. You can over-spray with PVA before gel coal reaches its gel stage (5-10 min. Ideal range is 1.8% @ 77F. Use the spreader to add the . If you dont see the blue dye again, you know youve sanded it all properly. Harware, Marine Nuts, Bolts, & Flow -coat on the other hand will have wax added, I suspect this might be what you have, (Gel-coat = no wax. %%EOF More if temps <60> 80 or 90. 0000030992 00000 n 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. This morning not even tacky and hard enough to sand already! of MEKP to 1 gallon of polyester resin. Kits, Boat Trailer If you have Professional Grade Exterior Gelcoat you may either brush/roll or spray. Get all the latest information on events, sales and offers. Method of Application: Next, determine if you are going to brush, roll or spray your gelcoat so you can prepare the gelcoat for application. Usually 320 or 400 grit wet paper is sufficient for the initial sanding. Compound and polish with Aquabuff 2000 then happy a wax such as Collinite 925 UV for protection. Thank you! What happens if you put too much hardener in resin? This is what I use- 60 to 65 degrees 3 %, 65 to 70 2.5%, 70 to 75 2%, 75 to 80 1.5%. Take steps to cover and protect the rest of the boat before starting. **NOTE** Duct tape is recommended over masking tape because it provides better protection. 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. Epoxy activators are all proprietary, depending on the product. & Mekp is too hard to measure by drops to me, so I use a syringe and do it by ml instead. Gel coat will not fully cure without adding a surfacing agent or over spraying with PVA. There are about 20 drops in a cc/ml, so for 4oz of gelcoat you would mix 27 drops of MEKP. . Racks, Fish Finders, Sounders Okay, so how is this MEKP Catalyst Chart or these handy Calculators useful? of Gelcoat = 2% 3% is the Maximum ratio. You will have between 5 and 10 minutes (longer in cold weather) to apply the gel to the mould. 0000001127 00000 n Used as the hardener (activator) in Gel Coats and Resins. Lay on the gel coat in a heavy thickness (about 10 mils) using horizontal strokes, and working from top to bottom. Use 3M Abrasives for best results. 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. Measurements need to be exact so you can be confident the gelcoat is mixed properly before applying it to the surface. I would forget the drops and using ounces. I want to say poly resin needs 10 drops of MEKP per 1 oz. Parts, Boat Tubing & The total area to be glassed is 90 square feet. Determine the Existing Surface: First thing you want to do is look at the surface on which you want gelcoat applied. Use the recommended thinners/additives only which are listed on the gelcoats product page. UV inhibitor is added to increase weathering stability. The percentages in the chart: 1% thru 2%, are percentages of resin or gelcoat by weight. Measures Chart (Example - 1 Gallon = 231 Cubic Inches and Its a very small number. Platforms, Slide Thinning Sea Hawk Gel Coat Gel coat may be thinned up to 10% with Sea Hawk 7125 Gel Coat Thinner, or 25-33% Sea Hawk Patch Aid 8185. Acessories, Fishing Outriggers & MEKP speeds up the curing reaction of the polyester resin in these . Pumps, Marine Pump Replacement When sanding areas that have been filled with putty we suggest using 40 or 80 grit sandpaper, depending on how large the repair is. When mixing MEKP with resin, take care as a violent mixing action can splash it out of the mixing container. This item is flammable and can only be shipped by ground. Varnish, Marine Adhesives, 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.
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