how many drops of mekp is 1 oz of gelcoat

Bottom Paint Store Blog How to Articles. of MEKP to 1 gallon of polyester resin. A good practice is to pour the mixed gel coat from the mixing container into another container used for application. Deals, Trailering AND have fun!! How do you know how many ml's per drops you are getting? Gelcoat Putty Repair Spider Cracks And Fill Gouges! Pot life at 75F is approximately ten minutes. Two Versions are available both Ounces and Pounds. The standard ratio is 1 oz. 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. Gelcoat requires Methyl Ethyl Ketone Peroxide or MEKP to enable the process of hardening. Parts, Rule 1500 GPH Automatic Beside this,how many drops of hardener do i need for gelcoat? 2Oz is recommended for 1Gallon of Gel Coat or Resin. DO NOT WORK IN DIRECT SUNLIGHT -Choose a shady location or an overcast day. Use a gelcoat spray gun such as ES Manufacturing Gelcoat Spray Gun G830, ES-G100 Spray Gun, or equivalent. 13-15 cc per quart. 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. 0000002105 00000 n Holders, Cabin Accessories & Add 14 drops of liquid hardener per 1 oz. It is typically used between 1.25% to 1.75% (1 2/3 ounce to 2 1/3 ounces per gallon). 0000030571 00000 n Communication, Auto Pilot Using 38 inch wide cloth, Mr. Smith needs three 10 ft. pieces. That is what target for. 0000003945 00000 n Boats, Propeller Parts & Darker color gelcoats will also require more MEKp then the recommended amounts above. Have an abort strategy!! Fishing Lures, Fishing Rod Holders & 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. 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. This coat should be mostly in the repair area and may be repeated. 0000030800 00000 n Do not work in direct sunlight. Always consider the width of the cloth plus an overlap allowance at the seams. I used acetone and sanded off the old gelcoat. When spraying to a radius, flow the gelcoat to the tape. I would forget the drops and using ounces. However, if you have opacity problems two coats may be necessary with a light sanding between coats. Lay on the gel coat in a heavy thickness (about 10 mils) using horizontal strokes, and working from top to bottom. This further assures that no uncatalyzed material is clinging to the sides of the pot. Choose a shady location or an overcast day. Honda 5hp Outboard, Boat Otherwise, one coat will do. 0000019960 00000 n Use these calculators and mix very small batches until you achieve the desired result. Do not use any other wax additive when using Patch Booster. %%EOF Axles, Boat Trailer Tie 28.4cc Catalyst Amount by CC Catalyst Concentration by CC (Volume of Catalysts to be Used with Polyester Mix thoroughly to ensure that all gel coat is properly catalyzed. 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. 0000002707 00000 n 0000003229 00000 n Parts, Sacrificial Anodes & Do you sell MEKP? Less MEKP gives a slower cure, more gives a faster cure. Man I hope its working. 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. 0000018032 00000 n Cushions, Lexington Easy! Software, Digital 0-2.2% MEKP based on the weight of the resin). Systems, Marine Plumbing Gelcoat should be applied at temperatures of 60F to 80F. ), or add 1oz per quart/ 4 oz per gallon of wax additive sanding aid. Below you will find a detailed gel coat preparation guide on how to apply gelcoat to your boat, RV, or other surfaces. RESIN, Quarts. 0000002243 00000 n 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. Click Here. I would forget the drops and using ounces. Instruments, VHF Radios & Battery Charger, Marine Audio & Go on line to gelcoat suppliers like Spectrum to confirm how many drops of mepk they recommend. You will develop a repeatable and scalable process. Remove seals from the edges of parts or fittings when doing a repair around that part or fitting. Parts, Boat Tubing & Accessories, Marine DC Power Plugs 0000001832 00000 n Tops, Other Going up to 400, then 600, and eventually 800 grit sandpaper. Ounces (Volume . 8 drops 16 drops 16 drops Add the MEKP to the Gelcoat before thinning. 0000023127 00000 n %PDF-1.4 % Furniture, Boat Seat Pedestals & Acessories, Fish Cleaning Then use a rubbing compound to remove the rest of the scratches. Epoxies are much simpler to get a good ratio by weight. Start typing to see products you are looking for. Gelcoat Catalyst Requirements. Ft. @ 10 Mils) 1 Fl. All Gelcoats from the Bottom Paint Store comes with the MEKP catalyst but additional amounts can be purchased. You should also feather the surrounding area of the gel coat repair with 220/330. Refer to the catalyst chart located on the product page for the gelcoat you are using or follow the label guidelines. But I believe it to be 12 drops of hardener per ounce of gelcoat. The Volumetric Calculators above are GREAT tools. How many drops of MEKP is 1 oz of gelcoat? This will avoid unnecessary sanding scratches. UV inhibitor is added to increase weathering stability. More if temps <60> 80 or 90. Below are some things to consider when trying to figure out how many drops of mekp is 1 oz of gelcoat. Gelcoat that is . All, Anchor & Usually 320 or 400 grit wet paper is sufficient for the initial sanding. Covers, Boat Cover 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. Towers, Tow Ropes & 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. Gelcoat should not be applied over paint, wood, metal, or concrete. Covers, Boat Shrink Wrap The heavier fast-cut grits (40/80/100) are used to feather sand and ground out a routed area prior to filling. 0000000836 00000 n 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. What is brushable gelcoat? 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. 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. Deals, Paint & Maintenance Harware, Marine Nuts, Bolts, & 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. Charts & Once gel coat has tacked up, about 20 minutes after final layer has been applied, lay-up of the part can begin. No catalysts are needed. How Many Drops Of Mekp Is 1 Oz Of Gelcoat. Use a measuring cup rather than a syringe as it can be shot into the container and bounce back into the eyes. 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). 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 Measure catalyst accurately. Stir well. This morning not even tacky and hard enough to sand already! Breakers, Power Packs & Jump We suggest a thickness of 18-20 mils to properly cure. Outboards, Shop Trolling Motors, Shop We have all done it in a pinch, but there's a quicker way. I genuinely do care about ALL my customers and hope everyone of you achieve the absolute best results possible. 0000001899 00000 n They are sturdy and smooth on the inside to help with complete mixing. Hardware, Boat Seats by This works on every single polyester product, not just the amazing products at totalboat. 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 . Spraying gel coat is recommended for more accurate and consistent coverage. Add 2% catalyst to your chosen quantity of gel coat, stir very thoroughly and note the time. Upgrade the Premium MEKP Catalyst Calculator by WEIGHT EXCLUSIVELY offered by Vernese Customs. hry/ %qSB>JdM|}gvei8=sY<9Y'W`g09tkJLNf B3!^Oil d6m|uM} p{ql+s,S'. 0000000016 00000 n Large quantities will exotherm and kick off very fast, leaving you with a smoldering mess in your cup. Use 6 drops of catalyst into 10ml of resin. Rollers, Boat Trailer If youre not sure how thick it is, pick up a mil gauge. 0000005113 00000 n . Should I use gelcoat with or without wax? Be sure to have a good strategy when applying your gelcoat. Thank you! Accessories, Electronic Navigation Platforms, Slide of Gelcoat w/o Wax = 2-4 oz . (16 oz. therefore by my calculations you'll need 10 drops. We offer pre-mixed colors of gelcoat, use this color chart as a guide for the available colors that we have. Begin wet sanding with the finest grit that will remove orange peel in the re-sprayed area. 0000003502 00000 n Avoid brushes that are either too stiff or too soft. Thanks for the help. It will take a minimum of two coats of gelcoat if you are changing colors. **NOTE** Duct tape is recommended over masking tape because it provides better protection. Keeping good notes will help you build a database of initiator levels for temperatures that you encounter frequently. You need to stick to the 1:1 ratio that is measured by volume. 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. Protection, Ladders, Steps, & Using the drop method, 4 drops are used. MEK, short for MEKP, is the Hardener or catalyst for Polyester Resin and Vinylester Resin Systems including Isothalic and Gelcoat. When mixing MEKP with resin, take care as a violent mixing action can splash it out of the mixing container. 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. That's really hard to weigh! endstream endobj 140 0 obj <>/Size 114/Type/XRef>>stream %PDF-1.4 % 1 TBS = 1/2 oz. Downs, Couplers, Mounts, 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. Zincs, Generator 0000022629 00000 n Gel Coat Instructions - Marine Gel Coat Repair Product | Marine Products There are also disposable cup liners available that you can insert into the plastic Poly-Pro graduated cup or paper cup. This is the amount of Catalyst you will add in Ounces. You will have between 5 and 10 minutes (longer in cold weather) to apply the gel to the mould. Financing, Iboats 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. Catalyze gel coat with #69 MEKP at 1.5%. Ideal range is 1.8% @ 77F. Following this, it should be wet sanded with 320, 400, and 600 wet grit paper, buffed, polished and waxed. 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. 3M and UV tapes , and masking papers are recommended. #3. The thickness of the matchbook cover is approximately 18 mil. 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. Accessories, Big Jon I always go way over the amount needed. Systems, Lowrance Hook2-4 GPS Can you apply second coat of gelcoat? We suggest a thickness of 18-20 mils to properly cure. Manufacturer, Boat Tables & 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. Gelcoat will not darken or change colors when it dries. Used as the hardener (activator) in Gel Coats and Resins. The amount of MEKp that you add to gelcoat and resin will vary with outside weather conditions. 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. For spraying gelcoat our FGCI brand does not recommend thinning. Pumps, Livewell Aerator Pumps Kits, Boat Trailer You may purchase this item if you desire additional . 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. Mix thoroughly and methodically into the resin otherwise some portions of resin may not be catalysed and thus not cure properly. Rafts, Paddle 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. Gel coats are often the exterior coating for composites parts, providing both the color and texture of the part. Location. Seats, Pontoon Boat Seats & If not, where can I purchase? Duratec is for a cosmetic high gloss finish. xb```a`` Methyl Ethyl Ketone Peroxide (MEKP) MEKP is a clear hardener/catalyst for the room temperature cure of unsaturated polyester and vinyl ester resins. 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. I believe the 12:1 was written for 72 degree F days. Plumbing, Fresh Water Boat Depending on the amount of resin needed, pour the appropriate ratios of polyester resin and MEKP into a heavy-duty plastic tub or bucket. The ease of application makes this the perfect gelcoat for repairs and small parts production with no wax needed. I liked using 19 drops per oz on my second try (more catalyst is specified when gel coat is mixed with wax . Mix thoroughly for at least one minute and apply immediately after. Please refer the to Catalyzation chart on the Gelcoat page or on the label. 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. & Dock, Anchor Chains & Gelcoat needs to be applied evenly. 30 drops is approximately equal to one cc. 0000001463 00000 n Boat, Sell A 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 Telescopes, Covers and See more 11 27 The percentages in the chart: 1% thru 2%, are percentages of resin or gelcoat by weight. xref of wax; 32 oz. Trailer Winches, Shop When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Fenders, Boat Trailer How to Apply Gelcoat by Brush and Roller. of Gelcoat w/o Wax = 1/4 oz. ENCLOSED: Dropper bottle that will yield the exact ratios referenced on this chart when mixing small amounts. 1 TBS = 1/2 oz. Approximately eight drops of MEKP to each 1/2oz. d23 ?P90. To catalyze TotalBoat Polyester Laminating Resin, at 77F, add 7-8 drops of MEKP catalyst per one fluid ounce of resin. 6.1 Cleaning Surface; 6.2 Sanding the Surface; 6.3 Apply Gelcoat; 6.4 Technique 1: Renewal of the Gelcoat with Laminate; 6.5 Technique 2: Renewal of the Gelcoat . For use as a final coat over fiberglass layups or for repairs, this gelcoat cures to a hard, glossy surface. If you add too much then you risk it burning. Turning brown or even worse your mixing jar catching on fire. Ideal range is 1.8% @ 77F. All the essential pizza ingredients the crust, sauce, and cheese contain a lot of salt. Login, Boats The two componants when mixed will react with each other to crosslink and polymerise into a solid plastic. 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. rQ{.Z7. i[wk. Can u paint over gelcoat? Gelcoat should not be used when temperature conditions are below 60F, as curing may be adversely affected. Ski, Wakeboard Can you mix resin in paper cups? Resin that cures still in the mixing pot is unusable. Conversely, you will need moreMEKp for cooler temperatures. Why is my resin not hardening? Sandable time: Depends on temperature, amount of catalyst, and mass of fairing compound. Deals, Electronics 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. Oars, Wakeboard, Wakesurf & Switches, Shore Power & AC 27. Find many great new & used options and get the best deals for 3 PK REFRESH LIQUIGEL Lubricant Eye Gel 0.50 oz NIB EXP. Get a proper measuring cup and syringe and use cc's or ml's for both. This is about 1% which is tuned for 80 degrees or higher. 2. gelcoat needs a surface seal of some kind to inhibit air on the surface. You can over-spray with PVA before gel coal reaches its gel stage (5-10 min. The MEKP Calculators by WEIGHT are Dead-On when it comes to precision and Superior to any Catalyst Chart. Free shipping for many products! Use the spreader to add the . trailer Only catalyze slightly more than needed. Ratio The ratio range for catalyst to resin is 1 to 2 percent hardener to the total volume of resin to be used. Then scale up!! & Live Bait Sparky568 Junior Member. Gel coat is a polyester resin and uses MEKP as the catalyst. Prepping the Surface: Remove rails, cleats, louvers, snaps, striping tape, etc. (1) One Gallon Polyester Resin = 9.2 pounds (2) Specific Gravity MEKP = 1.13 (3) Drop from 1 oz. 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. Catalyzing Gelcoat with MEKP: All gelcoat MUST be catalyzed with MEKP to cure. 0000007919 00000 n 0000002777 00000 n Is pepperoni high in sodium? of Gelcoat = 1.5% @ 75F. Bullet Skimmer, Paint and 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. Protection, Dock Storage & 0000001050 00000 n GEL COAT REPAIR INSTRUCTIONS. 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. %%EOF Get all the latest information on events, sales and offers. Boarding, Paddles & 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 Ft. @ 10 Mils), Catalyst Concentration by CC (Volume of Catalysts to be Used with Polyester This is a simple, easy way to see the thickness of your gelcoat. There are simply too many variables. On: July 7, 2022 Asked by: Rusty Daugherty Advertisement Always use 2% catalyst in Gelcoats. 0000010798 00000 n Required fields are marked *, Please note, comments must be approved before they are published. Marine Battery Chargers, Shop B. Ditch the oz's and drop crap. Beside above,how many drops of resin are in an ounce of mekp? Mixing out of the above range will result in a weaker cured resin. ADD TO CART. Do not use more than 1 oz tint per quart. Mixing thoroughly is just as important. will cover 160 Sq. Marble, Engine As soon as you are done spraying, clean your sprayer fully with acetone. Shelters, Boat Biminis, View I don't know if age effects it or not. The cabin top width is 108 inches. At 70 degrees, you get 15 minutes, but at 90 degrees, you only get 5 minutes. For a better experience, please enable JavaScript in your browser before proceeding. Gelcoat without wax is used when you have a different method selected to cure it. If the surface is painted then the paint should be removed before the gelcoat is applied. 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. Storage Each of these coats of gelcoat may involve several passes. Professionals, Boat Restoration, Building, and Hull Repair, Shop Compound and polish with Aquabuff 2000 then happy a wax such as Collinite 925 UV for protection. When mixing small batches, catalyze with 12-18 drops hardener per ounce of gelcoat. Thoroughly mix paste, pigments, and hardener. 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. . Gel coat will not fully cure without adding a surfacing agent or over spraying with PVA. 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. t,efR*o*3nsq5#eRY^_~Y-j8oC/vFTvH*S as this one is). Method of Application: Next, determine if you are going to brush, roll or spray your gelcoat so you can prepare the gelcoat for application. Boat Repair, Boat Paint & 0000000016 00000 n Enter the amount of Resin in quarts then adjust % of MEKP using the slider. Use milliliters its easier to do the ratio math. 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. Category, View 0000012247 00000 n Mix the polyester resin with a catalyst named methyl ethyl ketone peroxide (MEKP) to begin curing. Meters, Marine Electrical Panels 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. It is also needed with all gel coats. tube of liquid hardener (MEK Peroxide) is sufficient to harden the entire contents of a gallon container. xref Deals, Electrical Lighting, Marine Teak usually a material called surfacing agent (wax/styrene) or P V A. Maintenance, Boat Cleaners & If this is going over a patch, we recommend 2 coats at least, to get a nice, uniform surface. MEKP speeds up the curing reaction of the polyester resin in these . 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. 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. Biminis, Paint and It has to be mixed at a 1:1 ratio with gelcoat. 0000003380 00000 n Jacks, Boat Trailer Brakes & Free shipping for many products! MEKP %. Dock, Cabin and

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