how many drops of mekp is 1 oz of gelcoat

Thanks, Furniture, Boat Seat Pedestals & Under- or over-catalyzed gel coat will cure slower and look faded or chalky. MEKP %. The final thickness should be 16-20 mils minimum or the gelcoat may not fully cure. Also, they are used for the first sanding of gouges, dock dings, scratches, and blisters. We have all done it in a pinch, but there's a quicker way. Duct tape off adjacent gunwale molding, and deck fittings you are unable to remove. 0000003229 00000 n Supreme Mariner Joined Oct 18, 2007 Messages 12,932 You can over-spray with PVA before gel coal reaches its gel stage (5-10 min. Covers, Boat Cover Is pepperoni high in sodium? If you brush on the gel coat, make sure to use a solvent resistant brush. 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. Salto. Part # PBBR-.5 ( oz dropper) Mixing cup will give exact measurements for larger volumes in CC and ounce increments. Clean the fiberglass surface with ajax or comet and water. 141 0 obj <>stream (16 oz. Towers, Tow Ropes & For example, four drops of hardener will be 1 percent of 1 ounce of resin. usually a material called surfacing agent (wax/styrene) or P V A. Following this, it should be wet sanded with 320, 400, and 600 wet grit paper, buffed, polished and waxed. per Volume). Well, first and foremost, using a Catalyst Chart or these Catalyst Calculators will increase the quality of your work. Mix thoroughly for at least one minute and apply immediately after. 0000001899 00000 n therefore by my calculations you'll need 10 drops. 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. 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. Gelcoat will not darken or change colors when it dries. Boat, Sell A It's important that the fiberglass is clean before you gelcoat over it. Begin wet sanding with the finest grit that will remove orange peel in the re-sprayed area. Gel coat is typically the first layer of a part to be applied. Be sure not to use foam rollers because they tend to leave the bubbles. Now, Shop I would forget the drops and using ounces. Easy! Gelcoat requires Methyl Ethyl Ketone Peroxide or MEKP to enable the process of hardening. B. Accessories, PWC Parts & !0Y|McnY>s,O*T* "LbfM;W20wmw!L Covers, Other 0000001832 00000 n (108 in . 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). JavaScript is disabled. The cabin top width is 108 inches. 1 Oz is recommended for 1 Quart of Gel Coat or Resin. xref Mix thoroughly and methodically into the resin otherwise some portions of resin may not be catalysed and thus not cure properly. Seats, Pontoon Boat Seats & tube of liquid hardener (MEK Peroxide) is sufficient to harden the entire contents of a gallon container. & 75 degrees F. Go on line to gelcoat suppliers like Spectrum to confirm how many drops of mepk they recommend. Get a proper measuring cup and syringe and use cc's or ml's for both. Determine the Existing Surface: First thing you want to do is look at the surface on which you want gelcoat applied. Fenders, Boat Trailer How long do you wait between coats of gelcoat? For most work, a 3 or 4 wide brush will suffice. and gelcoat needs twice as much catalyist. Parts, Sacrificial Anodes & Combos, Fishing Tools & Avoid brushes that are either too stiff or too soft. 2 What is Topcoat? The Volumetric Calculators above are GREAT tools. Systems, Marine Plumbing 0000018032 00000 n MEK, short for MEKP, is the Hardener or catalyst for Polyester Resin and Vinylester Resin Systems including Isothalic and Gelcoat. Trolling Motors, Shop Do not use more than 1 oz tint per quart. Note: All gel coats and resins from the Bottom Paint Store include MEKp with the applicable size of gelcoat/resin. Accessories, Boat Lift Canopy It has to be mixed at a 1:1 ratio with gelcoat. 1 TBS = 1/2 oz. If you want CONSISTENT RESULTS every time you mix, YOU NEED to MEASURE BY WEIGHT NOT VOLUME!! Here is an Old School MEKP Chart for Download if you prefer. 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 . The amount of MEKp that you add to gelcoat and resin will vary with outside weather conditions. 0000002707 00000 n Winches, Boat Motor Supports & How Many Drops Of MEKP Is 1 Oz Of Gelcoat? Parts, Boat Tubing & %PDF-1.4 % 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. If you want to roll on a gelcoat, be sure to use a 1/8 or 14 solvent-resistant nap. 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. Communication, Auto Pilot Gelcoat should not be applied over paint, wood, metal, or concrete. Gel coat is a polyester resin and uses MEKP as the catalyst. All rights reserved. You have a work time of approximately 15 minutes. Only catalyze slightly more than needed. 0000030800 00000 n Refer to the catalyst chart located on the product page for the gelcoat you are using or follow the label guidelines. I used acetone and sanded off the old gelcoat. When MEKP is mixed with polyester or vinylester resin, the resulting chemical reaction causes heat to build up and cure or harden the resin. Ft. @ 10 Mils), Catalyst Concentration by CC (Volume of Catalysts to be Used with Polyester Failing to do so will result in the resin not hardening as it should. The application of gelcoat is pretty straightforward when you follow this guide. Polyester resin is not nearly as forgiving as epoxy so you really gotta be on the money with the mix. 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. 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. Apply the gelcoat using a brush or spray gun. Spraying gel coat is recommended for more accurate and consistent coverage. That's really hard to weigh! Protection, Ladders, Steps, & Covers, Boat Seat It needs to be handled with care. Mix the polyester resin with a catalyst named methyl ethyl ketone peroxide (MEKP) to begin curing. Gelcoat that is . Gelcoat is available with or without wax. Hardware, Boat Trailer 13-15 cc per quart. The thickness of the matchbook cover is approximately 18 mil. The standard ratio is 1 oz. The higher the temperature, the less hardener you need. Get all the latest information on events, sales and offers. FREE MEKP Calculator for Quarts and Ounces. All, Anchor & Cups are are wax coated. Harware, Marine Nuts, Bolts, & How much hardener is in a quart of resin? You will need to thin the gelcoat for it to run through the spray gun. Grande Mastere Dreade Snag's spellchecker 20,728 5,208 3026'36.2"N 8832'13.8"W Epoxy activators are all proprietary, depending on the product. For example, four drops of hardener will be 1 percent of 1 ounce of resin.How much hardener do you add to polyester resin? The correct ratio will appear below. Parts, Wash Down Smoke If the gelcoat does not get enough catalyst it will not kick or begin to harden. Looking for Feedback. Once gel coat has tacked up, about 20 minutes after final layer has been applied, lay-up of the part can begin. Its best to do a 4-foot by 4-foot area at a time. 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. Use a measuring cup rather than a syringe as it can be shot into the container and bounce back into the eyes. You should find a warmer spot to move your piece such as room or working office. Beside this,how many drops of hardener do i need for gelcoat? 2007 Beavertail Opsrey - 2017 Suzuki DF60A. TIP: If using a wooden mixing stick, place the stick in the resin before adding catalyst so the wood doesn't absorb the catalyst. 7. 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. Protection, Dock Storage & Have an abort strategy!! Turning brown or even worse your mixing jar catching on fire. But I believe it to be 12 drops of hardener per ounce of gelcoat. ENCLOSED: Dropper bottle that will yield the exact ratios referenced on this chart when mixing small amounts. How to choose the right bottom paint for my boat, Painting Your Boat with Interlux Bottom Paint: A Step-By-Step Guide. Grills, Boat Drink 100 ml at 1.5% is 1.5ml MEPK etc. To catalyze TotalBoat Polyester Laminating Resin, at 77F, add 7-8 drops of MEKP catalyst per one fluid ounce of resin. Fishing Lures, Fishing Rod Holders & If you brush on the gel coat, make sure to use a solvent-resistant brush. What happens if you put too much hardener in resin? It is only when mixed with an epoxy hardener that they can cure properly. 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. Mix in the MEKP at 1-1.5% and see if it works ok on a test panel. Resins that have Duratec in their name require a 2% mix ratio (2 2/3 ounces per gal Legal Disclaimer: User assumes all liability. 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. Distribution, ProMariner ProNautic At 70 degrees, you get 15 minutes, but at 90 degrees, you only get 5 minutes. Thoroughly mix paste, pigments, and hardener. Avoid re-brushing as this could remove the waxy surface additive. Specific gravity MEK peroxide We recommend 1.5% 2.0 % by volume. How Many Drops Of Mekp Is 1 Oz Of Gelcoat 625 CC per ounce of gelcoat. 19 drops per oz @ about 75 degree produce a quicker drying time with better results . Let's hope this works this time! I genuinely do care about ALL my customers and hope everyone of you achieve the absolute best results possible. Fasteners, Boat Windshield Pot life (amount of time for application of the product) shortens dramatically as you mix larger batch sizes. I liked using 19 drops per oz on my second try (more catalyst is specified when gel coat is mixed with wax . How to Apply Gelcoat by Brush and Roller. Do the math, and that yields 0.96cc per 100g of resin for 1% and 2.4cc for 2.5%. 0000000016 00000 n Or UPGRADE! 1 GALLON 2 OUNCES See more I don't know if age effects it or not. I want to say poly resin needs 10 drops of MEKP per 1 oz. Always consider the width of the cloth plus an overlap allowance at the seams. Enjoy!!! Let the polyester filler cure until material is firm and tack free, about 10 minutes. 1 ML = 1 CC; 0000003417 00000 n 50 Graduated Paper Cups Perfect for mixing small batches resin, paint, stain, epoxy from 1 to 3 ounces. For a better experience, please enable JavaScript in your browser before proceeding. Deals, Electrical Mekp is too hard to measure by drops to me, so I use a syringe and do it by ml instead. = 1.17 polyester resin= 1.09 gelcoat = 1.3, Equivalent Cushions, Lexington Correct application of gelcoat is critical to get the optimum performance from it. You need to stick to the 1:1 ratio that is measured by volume. Can u paint over gelcoat? Software, Digital The weight of MEKP 925 is 1.125 grams per cc. Apply gel coat to your part. 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. Charts & 0000006855 00000 n Telescopes, Covers and 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. If adding pigment do so first and thoroughly stir in mixing well before adding catalyst, be careful not to under or over pigment. This MEKP is the catalyst/hardening agent for polyester resins and polyester gelcoats. 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 Less MEKP gives a slower cure, more gives a faster cure. Pot life at 75F is approximately ten minutes. Keeping good notes will help you build a database of initiator levels for temperatures that you encounter frequently. Gelcoat needs to be applied evenly. Ski, Wakeboard A good practice is to pour the mixed gel coat from the mixing container into another container used for application. .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. Using the drop method, 4 drops are used. 2. gelcoat needs a surface seal of some kind to inhibit air on the surface. The drops fogged vision in right eye versus using simple artificial tears. 0000017788 00000 n 0000001463 00000 n Ropes, Boat List Name. Adding more of less of the catalyst agent will speed up or slow down the curing time for the resin. hry/ %qSB>JdM|}gvei8=sY<9Y'W`g09tkJLNf B3!^Oil d6m|uM} p{ql+s,S'. 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. Generally speaking, for Polyester Resins, the mixing ratio is 2% i.e. & Plumbing, Anchor Guide, Boat 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. 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 . Please refer the to Catalyzation chart on the Gelcoat page or on the label. & Rings, Prop Nut Kits & 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. Does resin need hardener? 0000005113 00000 n 0000003263 00000 n t,efR*o*3nsq5#eRY^_~Y-j8oC/vFTvH*S Boat, Boat Buyers Generally, one heavy coat is sufficient. Seats, Fishing Boat Maintenance, Boat Cleaners & No catalysts are needed. Gelcoat will not fully cure without adding a surfacing agent or wax additive sanding aid. Accessories, Marine Electrical endstream endobj 140 0 obj <>/Size 114/Type/XRef>>stream 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. Resin starts to cure but does not go all the way completely. Flow -coat on the other hand will have wax added, I suspect this might be what you have, (Gel-coat = no wax. This is a simple, easy way to see the thickness of your gelcoat. Tops, Bimini Top Sparky568 Junior Member. 0000003724 00000 n ACCOUNT, Find The car polishers wont work if theyre spinning too slowly, so you want to check the speed of the spin. Terminals, Marine Fuse Blocks & 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. Okay, so how is this MEKP Catalyst Chart or these handy Calculators useful? How do you know how many ml's per drops you are getting? Boat Repair, Boat Paint & Location. Gelcoat without wax is used when you have a different method selected to cure it. . 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. Start by sanding the surface with 150 grit or sandpaper. Terminal The cc and oz values in the chart have been converted from weights of MEKP to volumes of MEKP. 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. Add air dry wax (the wax will rise to the surface, creating that barrier), or if it's a small enough area tape a polyethylene film over it (zip lock bag.) MEKP can be added to polyester resin in the range of 1 to 2% by volume or weight. Sealant, & Measure catalyst accurately. Meters, Marine Electrical Panels Epoxies are much simpler to get a good ratio by weight. ), or add 1oz per quart/ 4 oz per gallon of wax additive sanding aid. Ounces (Volume Catalyzing Gelcoat with MEKP: All gelcoat MUST be catalyzed with MEKP to cure. Free shipping for many products! 0000006234 00000 n How Many Drops Of Mekp Is 1 Oz Of Gelcoat. One gallon will cure approximately 100 gallons of resin and 50 gallons of gelcoat. Method of Application: Next, determine if you are going to brush, roll or spray your gelcoat so you can prepare the gelcoat for application. of Gelcoat w/o Wax = -1 oz. 38 in. X`:.geS>Xpiq~\\|=)Dv0'O-GFT# Start typing to see products you are looking for. Mix in the MEKP at 1-1.5% and see if it works ok on a test panel. Amount of MEKP in Ounces. . Products, Carbon Monoxide & Newbury, MA. xb`````Uc p7T,T30H3r``dHbecatXbuk(Y7jc>#`9in4; @Qn gg`(g ` 7 Wells, Toilet & Waste 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. I want to say poly resin needs 10 drops of MEKP per 1 oz. When rolling on gelcoat be sure to use a 1/8 or 14 solvent-resistant nap. This is eye needs cataract surgery; thought it would help - actually . Biminis, Paint and Gelcoat should be applied at temperatures of 60F to 80F. Deals, Camping & RV Rails, Marine Tools & Tool Check the temperature of the Gelcoat stock and insure that it is not below 70F. 0000000836 00000 n Used as the hardener (activator) in Gel Coats and Resins. They are sturdy and smooth on the inside to help with complete mixing. 1.25. The Right Fit, Shop By Use milliliters its easier to do the ratio math. All the essential pizza ingredients the crust, sauce, and cheese contain a lot of salt. 0000023354 00000 n Pumps, Livewell Aerator Pumps 0000003099 00000 n How many drops of Polyener resin are in an ounce of hardener? 1 TBS = 1/2 oz. Add 2% catalyst to your chosen quantity of gel coat, stir very thoroughly and note the time. 0000019960 00000 n How to mix Fiberglass Resin & Clean Tools. When spraying to a radius, flow the gelcoat to the tape. Read all warnings on product labels and only use additives recommended as described per each product. Dollies, SportsStuff Great Big %%EOF Gelcoat can take as much a 2x the amount of MEKP as resin. Working time is about 5 to 15 minutes, . All Gel Coats from Bottom Paint Store come with MEKP with each gelcoat purchase. Gelcoat Putty Repair Spider Cracks And Fill Gouges! Sign up for newsletter: You've just added this product to the cart: FIRST QUALITY FIBERGLASS MATERIALS AT A PRICE YOU CAN AFFORD! 3 This should be Noted when Buying Gelcoat and Topcoat; 4 Buying Gelcoat / Gelcoat Repair Kit; 5 Buying Topcoat; 6 Instructions for Gelcoat Repair. 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. 0000010798 00000 n (1 pint) 1/4 ounce: 32 oz. Conversely, you will need moreMEKp for cooler temperatures. 0000001553 00000 n At 77F 1.8% MEKP will provide a gel time of 10-17 minutes. Enter the amount of Resin in quarts then adjust % of MEKP using the slider. 28.4cc Catalyst Amount by CC Catalyst Concentration by CC (Volume of Catalysts to be Used with Polyester If you add too much then you risk it burning. Use a gelcoat thickness gauge to ensure proper thickness is achieved. Choose a shady location or an overcast day. The Fora platform includes forum software by XenForo. 2. Cable, Marine Batteries & Forums, Find Good news! of Gelcoat w/o Wax = 1/4 oz. 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. 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. Ideal range is 1.8% @ 77F. The thickness of the matchbook cover is approximately 18 mils. The ratio range for catalyst to resin is 1 to 2 percent hardener to the total volume of resin to be used. Supplies, Boston Whaler, 1972-1993, Use 6 drops of catalyst into 10ml of resin. Accessories, Pontoon Bimini Vinyl, Floating Boat startxref Finishing your Gelcoat Application: If youre using our Professional Grade Exterior Gelcoat, youll be ready to sand and buff your freshly gelcoated surface after about 1- 3 hours. Does gelcoat need wax? Sanding Existing Gel Coat: You want to sand the surface to make a mechanical bond to the gel coat. Quantity. Systems, Lowrance Hook2-4 GPS 0-2.2% MEKP based on the weight of the resin). This further assures that no uncatalyzed material is clinging to the sides of the pot.

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