Using the drop method, 4 drops are used. 1 ea contains 1 ea . Gelcoat is available with or without wax. therefore by my calculations you'll need 10 drops. Add 14 drops of liquid hardener per 1 oz. The ratio is on the hardener container. Can u paint over gelcoat? This item has a shelf life of approximately 2-3 months. Maintenance, Boat Cleaners & Start by sanding the surface with 150 grit or sandpaper. Pumps, Livewell Aerator Pumps usually a material called surfacing agent (wax/styrene) or P V A. 2Oz is recommended for 1Gallon of Gel Coat or Resin. For example, four drops of hardener will be 1 percent of 1 ounce of resin.How much hardener do you add to polyester resin? 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. 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. This MEKP is the catalyst/hardening agent for polyester resins and polyester gelcoats. 3. use an eye dropper to catalyze small quantities 20 drops of mekp per. . The cabin top width is 108 inches. 2007 Beavertail Opsrey - 2017 Suzuki DF60A. 5. Please follow the instructions located on the products page or the label. xb```a`` Note: All gel coats and resins from the Bottom Paint Store include MEKp with the applicable size of gelcoat/resin. We recommend 1.5% - 2.0 % by volume. 0000003945 00000 n Required fields are marked *, Please note, comments must be approved before they are published. How do you know how many ml's per drops you are getting? Deals, Camping & RV You are using an out of date browser. Come join the discussion about engines, modifications, classifieds, troubleshooting, fishing, boating, poles, maintenance, and more! Conversely, you will need moreMEKp for cooler temperatures. May 7, 2007. I believe the 12:1 was written for 72 degree F days. Applying Gelcoat by Brush or Roller: Choose a good pure (natural) resin-resistantbristle brush with tapered ends. When sanding areas that have been filled with putty we suggest using 40 or 80 grit sandpaper, depending on how large the repair is. Choose a shady location or an overcast day. 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. It is typically used between 1.25% to 1.75% (1 2/3 ounce to 2 1/3 ounces per gallon). Then use a rubbing compound to remove the rest of the scratches. Similarly,how many drops of hardener do i need? Measure catalyst accurately. and gelcoat needs twice as much catalyist. Add the MEKP . 0000001463 00000 n %%EOF Rails, Marine Tools & Tool 1 What is Gelcoat? MEKP Hardener gallon (#69-D) and case (#69-E) units are considered hazardous (flammable) and will be subject to a hazard charge if shipped by standard ground. Intro How to properly measure MEKP for your polyester resin, gelcoat and more Hold Fast Marine -DIY tips and tricks- 4.68K subscribers Subscribe 289 10K views 1 year ago HOLD FAST MARINE Have. for Sale, Buy A 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. Does gelcoat need wax? This item is flammable and can only be shipped by ground. The ease of application makes this the perfect gelcoat for repairs and small parts production with no wax needed. Systems, Lowrance Hook2-4 GPS The correct ratio will appear below. 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. Gelcoat without wax is used when you have a different method selected to cure it. Hitches, & Downs, Couplers, Mounts, Mixing out of the above range will result in a weaker cured resin. 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. Accessories, Marine Electrical It is also needed with all gel coats. Plumbing, Fresh Water Boat 0000006580 00000 n Cable, Marine Batteries & They are flexible enough to make pouring easy. 0000003380 00000 n Good news! Amount of MEKP in Ounces. High Back Reclining Helm Seat, Cabin and 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 . Zincs, Generator Gel coats are often the exterior coating for composites parts, providing both the color and texture of the part. . 13-15 cc per quart. Covers, Boat Seat Darker color gelcoats will also require more MEKp then the recommended amounts above. Sparky568 Junior Member. Add a New List . 0 therefore by my calculations you'll need 10 drops. FGCI s Brushable Gelcoat is a unique proprietary product with excellent leveling characteristics, allowing application by paintbrush or roller without leaving brush marks or streaking. One gallon will cure approximately 100 gallons of resin and 50 gallons of gelcoat. Deals, Electrical Stir well. Find many great new & used options and get the best deals for Veterinary Formula Clinical Care Ear Therapy 4 oz. 0000000872 00000 n 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. They range from a 1:1 ratio, like with our Table Top Epoxy, to our standard laminating epoxy allowing a 1:1, 2:1, 3:1, 4:1 and 5:1, allowing for different ratios that effect hardness and gel time. For a better experience, please enable JavaScript in your browser before proceeding. Lights, Boat Trailer 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 Duct tape off adjacent gunwale molding, and deck fittings you are unable to remove. . On their own, epoxy resins are very stable fluids with relatively long shelf lives. Adding more of less of the catalyst agent will speed up or slow down the curing time for the resin. The cc and oz values in the chart have been converted from weights of MEKP to volumes of MEKP. The ratio is 1-1 oz tube per quart, or a 4 oz tube per gallon. Remove seals from the edges of parts or fittings when doing a repair around that part or fitting. Mix thoroughly and methodically into the resin otherwise some portions of resin may not be catalysed and thus not cure properly. Product is flammable, use caution! 0000003229 00000 n However as at least one third of the gelcoat is particulate and not resin a mix of just 1.oo % should be fine. your boats Gel Coat Match, Shop With the new ratio of .6 CC per oz of gelcoat everything took perfect. I want to say poly resin needs 10 drops of MEKP per 1 oz. Find many great new & used options and get the best deals for 3 PK REFRESH LIQUIGEL Lubricant Eye Gel 0.50 oz NIB EXP. Pumps, Marine Pump Replacement Add 2% catalyst to your chosen quantity of gel coat, stir very thoroughly and note the time. The percentages in the chart: 1% thru 2%, are percentages of resin or gelcoat by weight. Boat Repair, Boat Paint & This is eye needs cataract surgery; thought it would help - actually . Description. Switches, Shore Power & AC MEKP is hazardous. Resins MEKP - Number of cc per Volume), Catalyst Concentration by Category, View oops! %%EOF Gelcoat can take as much a 2x the amount of MEKP as resin. Please refer the to Catalyzation chart on the Gelcoat page or on the label. When MEKP is mixed with polyester or vinylester resin, the resulting chemical reaction causes heat to build up and cure or harden the resin. Sockets, Marine Electrical Start typing to see products you are looking for. Correct application of gelcoat is critical to get the optimum performance from it. Boats, Propeller Parts & (16 oz. Gelcoat needs to be applied evenly. Sealant, & Resin and Gelcoat differ in weight. Then scale up!! Why is my resin not hardening? For example, if you are using a conventional spray gun, you should set the pressure between 30 and 50 psi. OUNCE 20 DROPSWhen using Surfacing Wax with your resin/gelcoat, youmust also add the MEKP(Hardener). Acessories, Fish Cleaning If the gelcoat does not get enough catalyst it will not kick or begin to harden. Put the bottle in the sun or in front ofa lamp to reliquify. 2 What is Topcoat? MEKP Hardener 1 oz. At 77F, TotalBoat Gelcoat requires the addition of 2% MEKP catalyst, by volume: 14-16 drops per ounce, or 2 teaspoons per pint, for a working time of 10-15 minutes. Most re-sprayed gelcoat will cure in 2-4 hours, although overnight cures are ideal. xref 1 Oz is recommended for 1 Quart of Gel Coat or Resin. This coat should be mostly in the repair area and may be repeated. Gel coat is typically the first layer of a part to be applied. You should mix about 4 oz and that will be 1.375 cc/ml. Hardware, Boat Seat There are about 20 drops in a cc/ml, so for 4oz of gelcoat you would mix 27 drops of MEKP. As a general rule: The catalyst level (MEKP) should not exceed 3.0% or fall below 1.2 for proper cure. As mentioned above, the plastic is to help with the cure. Gelcoat should be applied at temperatures of 60F to 80F. AN When mixing small batches, catalyze with 12-18 drops hardener per ounce of 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. Tubes, Shop & Gelcoat should not be applied over paint, wood, metal, or concrete. 0000001926 00000 n This is about polyester gel with MEKP hardener. This will accurately measure the proper amount of catalyst. However, if you have opacity problems two coats may be necessary with a light sanding between coats. Parts, Wash Down You will have between 5 and 10 minutes (longer in cold weather) to apply the gel to the mould. 0000023127 00000 n Harware, Marine Nuts, Bolts, & It is typically used between 1.25% to 1.75% (1 2/3 ounce to 2 1/3 ounces per gallon). Seats, Pontoon Boat Seats & Generally, mix one-pint batches. All rights reserved. Ropes, Boat Avoid re-brushing as this could remove the waxy surface additive. Clean the repair area and all tools with acetone prior to application. & Rings, Prop Nut Kits & Ratio The ratio range for catalyst to resin is 1 to 2 percent hardener to the total volume of resin to be used. Maintenance, Pumps and and gelcoat needs twice as much catalyist. Oars, Wakeboard, Wakesurf & Can I spray gelcoat with an airless sprayer? MEK, short for MEKP, is the Hardener or catalyst for Polyester Resin and Vinylester Resin Systems including Isothalic and Gelcoat. Its a very small number. The ratio range for catalyst to resin is 1 to 2 percent hardener to the total volume of resin to be used. 100 ml at 1.5% is 1.5ml MEPK etc. Adding cured meats such as pepperoni or sausage adds even more sodium. Lay on the gel coat in a heavy thickness (about 10 mils) using horizontal strokes, and working from top to bottom. Each of these coats of gelcoat may involve several passes. Epoxy resins come in two seperate componants. Using 38 inch wide cloth, Mr. Smith needs three 10 ft. pieces. Thanks in advance for your help. Starters, Marine Solar Power The MEKP Calculators by WEIGHT are Dead-On when it comes to precision and Superior to any Catalyst Chart. 0000002243 00000 n That's the problem. 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. Holder, Anchor & Dock The cabin top is 9 feet wide by 10 feet long (910=90 square feet). TIP: If using a wooden mixing stick, place the stick in the resin before adding catalyst so the wood doesn't absorb the catalyst. hry/ %qSB>JdM|}gvei8=sY<9Y'W`g09tkJLNf B3!^Oil d6m|uM} p{ql+s,S'. What is brushable gelcoat? Now, once again, I know that we have been using 0.75% for our recommended minimum, and that has been successful all these years. . Financing, Iboats Ounces (Volume Failing to do so will result in the resin not hardening as it should. Adding more of less of the catalyst agent will speed up or slow down the curing time for the resin. HWnF}WK We sell. The car polishers wont work if theyre spinning too slowly, so you want to check the speed of the spin. of Fiberglass Resin (or for can of Fiberglass Resin, use tube of liquid hardener). Kits, Boat Trailer Accessories, Big Jon I used acetone and sanded off the old gelcoat. The gelcoat set up what was left in the mixing tub before I threw it out. Gelcoat that is . 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. This time element is dependent on material temperature, room temperature, humidity, air movement, and catalyst concentration. If you decide to Double or Triple the Volume to do a larger project or portion, the Calculator does the math for you! Another option is you can use an 800 grit compound for the gelcoat at this stage. Forums, Find %PDF-1.4 % Check color thoroughly before applying. Part # PBBR-.5 ( oz dropper) Mixing cup will give exact measurements for larger volumes in CC and ounce increments. The normal ration of resin to catalyst is just over 1% but should not go over 2.5%. Polyester resin is not nearly as forgiving as epoxy so you really gotta be on the money with the mix. Enjoy!!! Kits, Seadog Stainless Steel Cup Mix small batches at a time since too much MEKP will result in the hardening of the gelcoat way too fast! Gain access to PREMIUM Calculators by WEIGHT when you subscribe today. Easy! How much hardener should I use? 0000006330 00000 n 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 More features, tools? ENCLOSED: Dropper bottle that will yield the exact ratios referenced on this chart when mixing small amounts. Free shipping for many products! & Circuit 141 0 obj <>stream (1 quart) 1/2 ounce to 1 ounce: 1 gallon: 2 ounces to 4 ounces: Important Note. 1 GALLON 2 OUNCES See more Biminis, RV & Trailer Remember to always lap wet. Accessories, PWC Parts & No catalysts are needed. 0000001050 00000 n Example: 20-30 minutes @ 77F for a 100g mass catalyzed with 1% MEKP. 0000013646 00000 n You will develop a repeatable and scalable process. . Pot life at 75F is approximately ten minutes. Again I'm not a fan of "drops" because its super subjective. The Fora platform includes forum software by XenForo. The amount of MEKp that you add to gelcoat and resin will vary with outside weather conditions. Clean the fiberglass surface with ajax or comet and water. Under- or over-catalyzed gel coat will cure slower and look faded or chalky. Salto. Parts, Sacrificial Anodes & 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. Approximately eight drops of MEKP to each 1/2oz. For example, four drops of hardener will be 1 percent of 1 ounce of resin. Webbing Solution is a clear liquid added to gel coat to obtain spatter or cobweb effects. Marine Battery Chargers, Shop Parts, Inflatable Beside this,how many drops of hardener do i need for gelcoat? How Many Drops Of Mekp Is 1 Oz Of Gelcoat 625 CC per ounce of gelcoat. Below are some things to consider when trying to figure out how many drops of mekp is 1 oz of gelcoat. 625 CC per ounce of gelcoat. startxref How much hardener is in a quart of resin? Adding too much of either resin or hardener will alter the chemical reaction and the mixture will not cure properly. Can you apply second coat of gelcoat? Do you need to add catalyst to resin? They are sturdy and smooth on the inside to help with complete mixing. When mixing MEKP with resin, take care as a violent mixing action can splash it out of the mixing container. Add 2% MEKP catalyst, by volume: 14-16 drops per ounce, or 2 teaspoons per pint. Is pepperoni high in sodium? Steel Blue is a dye youre going to wipe on or you can use the blue dye spray. It's important that the fiberglass is clean before you gelcoat over it. 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. List Name . 0000019960 00000 n 0000006234 00000 n Use a gelcoat thickness gauge to ensure proper thickness is achieved. In this video I show you how to use some basic math to accurately measure the correct amount of MEKP for your polyester products. If the surface is painted then the paint should be removed before the gelcoat is applied. You may purchase this item if you desire additional hardener. Get a proper measuring cup and syringe and use cc's or ml's for both. Get all the latest information on events, sales and offers. Protection, Ladders, Steps, & Furniture, Boat Seat Pedestals & Savers, Boat Trailer Guides & For Dogs & Cats Free Shipping at the best online prices at eBay! RESIN, Quarts. PFDs, Roof Racks, Carriers, 1 Oz is recommended for 1 Quart of Gel Coat or Resin. 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. 0000017788 00000 n Sand it down with 80 grit sandpaper until it's flush with the surface of the fiberglass. 13 0 obj<>stream Free shipping for many products! I would forget the drops and using ounces. Darker colors need a little more catalyst for the same reaction, so you can catalyze up to 2%. This is about 1% which is tuned for 80 degrees or higher. Honda 5hp Outboard, Boat Gelcoat should not be used when temperature conditions are below 60F, as curing may be adversely affected. The drops fogged vision in right eye versus using simple artificial tears. Generally speaking, for Polyester Resins, the mixing ratio is 2% i.e. Gelcoat requires Methyl Ethyl Ketone Peroxide or MEKP to enable the process of hardening. 2. Fasteners, Boat Windshield Covers, Boat Cover !0Y|McnY>s,O*T* "LbfM;W20wmw!L Approximately ten drops of MEKP to each 1/2oz. 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. It will take a minimum of two coats of gelcoat if you are changing colors. Ventilation, Interior & Cabin Less MEKP gives a slower cure, more gives a faster cure. How many drops of Polyener resin are in an ounce of hardener? There are 2 thinners that are recommended by the manufacturer when spraying gelcoat: Patch Booster, and Duratec. PINT (16OZ) 1/4 OUNCE In temperatures below 70 degrees, the paraffin can QUART (32OZ)1/2 OUNCEsolidify in the bottle. I purchased the gel coat which is matched to my color hull from Ranger boats and purchased MEK ( catalyst ) from O'Riley. 114 0 obj <> endobj Shop online or request a free catalog. The total area to be glassed is 90 square feet. If using a wood mixing stick, place the stick in resin before adding catalyst so the wood doesnt absorb catalyst. Going up to 400, then 600, and eventually 800 grit sandpaper. 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. Be sure not to use foam rollers because they tend to leave the bubbles. How many drops of MEKP is 1 oz of gelcoat? Does resin need hardener? We offer pre-mixed colors of gelcoat, use this color chart as a guide for the available colors that we have. Instruments, VHF Radios & 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. Clean repair area and all tools with acetone prior to application. of wax; and 1 gal. As soon as you are done spraying, clean your sprayer fully with acetone. of Gelcoat = 1.5% @ 75F. See this article for more information: How to Apply Gelcoat by Brush and Roller. Transom It is also needed with all gel coats. Use a gelcoat spray gun such as ES Manufacturing Gelcoat Spray Gun G830, ES-G100 Spray Gun, or equivalent. Caulking, Marine Engine as this one is). This should be added after all other additives just prior to application. Distribution, ProMariner ProNautic One slice of pizza is about six ounces and 300 to 400 calories. Catalyze your material so that it has a longer pot life. Manager at store told me to run 10-12 drops per oz of gelcoat I mix up. We encourage the use of Acetone, because it does not leave residue and evaporates easily. Ft. @ 10 Mils), Catalyst Concentration by CC (Volume of Catalysts to be Used with Polyester Galley, Covers and On: July 7, 2022 Asked by: Rusty Daugherty Advertisement Always use 2% catalyst in Gelcoats. 0000005113 00000 n 0000001255 00000 n Beside this,how many drops of hardener do i need for gelcoat? The ratio is dependant on air temperature, resin thickness, temperature of resin and mold. Gelcoat will not fully cure without adding a surfacing agent or wax additive sanding aid. Mix 2-3% of MEKP Hardener into the Gel Coat. Hardware, Marine Thank you! 0000001553 00000 n Hardware, Boat Seats by 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. of MEKP to 1 gallon of polyester resin. 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. Video, GPS Chartplotters & Click Here. Gelcoat is significantly heavier than Resin because of the fillers and pigments added. 0000001107 00000 n d23 ?P90. Usually 320 or 400 grit wet paper is sufficient for the initial sanding. 20ml for every 1kg of Resin in working conditions at room temperature. Enter the amount of Resin in quarts then adjust % of MEKP using the slider. 2. gelcoat needs a surface seal of some kind to inhibit air on the surface. Now, Shop Mix in the MEKP at 1-1.5% and see if it works ok on a test panel. Spraying gel coat is recommended for more accurate and consistent coverage. Bullet Skimmer, Paint and Our technicians suggest the use of Dyekum Steel Blue Dye to be really thorough.