At 77F, adding 14-16 drops of MEKP to one ounce of TotalBoat Polyester Fairing Compound will provide a working time of 10-15 minutes, and will cure in 20-30 minutes. But I believe it to be 12 drops of hardener per ounce of gelcoat. List Name . The correct ratio will appear below. If this is going over a patch, we recommend 2 coats at least, to get a nice, uniform surface. Kits, Boat Trailer The car polishers wont work if theyre spinning too slowly, so you want to check the speed of the spin. Accessories, PWC Parts & They are sturdy and smooth on the inside to help with complete mixing. 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. Beside this,how many drops of hardener do i need for gelcoat? They are flexible enough to make pouring easy. Starters, Marine Solar Power However, I can NOT guarantee you will achieve the same results as I would. your boats Gel Coat Match, Shop 0000017788 00000 n This further assures that no uncatalyzed material is clinging to the sides of the pot. Okay, so how is this MEKP Catalyst Chart or these handy Calculators useful? While it might eventually cure as long as it doesn't freeze, gel coat doesn't like temperatures below 10*C. If it is in the 60's use 2.5 cc/ml or 50 drops for 2% MEKP. This is a simple, easy way to see the thickness of your gelcoat. I purchased the gel coat which is matched to my color hull from Ranger boats and purchased MEK ( catalyst ) from O'Riley. I genuinely do care about ALL my customers and hope everyone of you achieve the absolute best results possible. If youre not sure how thick it is, pick up a mil gauge. Under or over catalyzation retards curing and causes fading and chalking. 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. 1 ea contains 1 ea . Here is an Old School MEKP Chart for Download if you prefer. Fasteners, Boat Windshield 0000003099 00000 n X`:.geS>Xpiq~\\|=)Dv0'O-GFT# %PDF-1.4 % Depending on the amount of resin needed, pour the appropriate ratios of polyester resin and MEKP into a heavy-duty plastic tub or bucket. Methyl Ethyl Ketone Peroxide (MEKP) MEKP is a clear hardener/catalyst for the room temperature cure of unsaturated polyester and vinyl ester resins. Insurance, Boat Supreme Mariner Joined Oct 18, 2007 Messages 12,932 Each of these coats of gelcoat may involve several passes. Instruments, VHF Radios & & Racks, Fish Finders, Sounders 28.4cc Catalyst Amount by CC Catalyst Concentration by CC (Volume of Catalysts to be Used with Polyester It needs to be handled with care. Adding too much of either resin or hardener will alter the chemical reaction and the mixture will not cure properly. How Many Drops Of Mekp Is 1 Oz Of Gelcoat. We suggest a thickness of 18-20 mils to properly cure. 0000000872 00000 n For spraying gelcoat our FGCI brand does not recommend thinning. 0000001553 00000 n Honda 5hp Outboard, Boat It is only when mixed with an epoxy hardener that they can cure properly. 100 ml at 1.5% is 1.5ml MEPK etc. of Gelcoat w/o Wax = -1 oz. Plumbing, Anchor Do you need to add catalyst to resin? Gelcoat is significantly heavier than Resin because of the fillers and pigments added. Tops, Other ounce of gelcoat will give you 2% ratio at gel time of 20 to 30 minutes at. You are using an out of date browser. Caulking, Marine Engine For a better experience, please enable JavaScript in your browser before proceeding. Newbury, MA. 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. Check the temperature of the Gelcoat stock and insure that it is not below 70F. Bilge Pump, Tires, Rims, & Hub Or UPGRADE! Accessories, Boat 2 Oz is recommended for 1 Gallon of Gel Coat or Resin. Oz = fluid ounce . Gelcoat should not be used when temperature conditions are below 60F, as curing may be adversely affected. of Fiberglass Resin (or for can of Fiberglass Resin, use tube of liquid hardener). Go on line to gelcoat suppliers like Spectrum to confirm how many drops of mepk they recommend. Mix thoroughly for at least one minute and apply immediately after. Specific gravity MEK peroxide 114 28 0000023817 00000 n 0000004021 00000 n How Many Drops Of Essential Oil Per Oz Of Water, How Much Is 1 Oz Of Silver Worth Right Now, How Many Oz Is 28 Teaspoons Of Baking Soda, How Many Cups Is 4 Oz Of Baking Chocolate, How Many Drops Of Essential Oil Per Ounce Of Water, How Many Drops Of Essential Oil In Diffuser, How Many Drops Of Essential Oil In Humidifier, Factors to Consider When Buying a Double Jogging Stroller, Fatty In Trouble 2: Bull Ride for Android App, KicksandKaviar Dedicated To The Urban Camper kicks, sneakers, NOISEMAKERS: Live Hip Hop Interview Series, Know Mo Mobilizing Knowledge about Addiction & Mental Health in Alberta, Generalized Problematic Internet Use Scale (GPIUS), New report about Edmontons street-involved youth, Back to the Basics: Word of Mouth Marketing, Aacua By Maaman Review and Giveaway ** Closed**, The Humiliations of Motherhood: Enough to Scare the Crap Out of Anyone (Quite Literally), How to treat depression safely while breastfeeding: An interview with Dr. Kathleen Kendall-Tackett. Savers, Boat Trailer Guides & How many Oz is a slice of pizza? How long do you wait between coats of gelcoat? The warmer the temperature the less MEKp you would to activate the gelcoat/resin. ), or add 1oz per quart/ 4 oz per gallon of wax additive sanding aid. Its best to do a 4-foot by 4-foot area at a time. Creating is very rewarding! Covers, Boat Seat How many drops of MEKP is 1 oz of gelcoat? Seats, Pontoon Boat Seats & We suggest 1-1/4% to 1-1/2% by volume, i.e. Hardware, Boat Seat Resin starts to cure but does not go all the way completely. Enjoy!!! You should catalyze your material so that it cures as quickly as possible within your working time. 06/2024 at the best online prices at eBay! For each teaspoon (1/6 oz) of blended gelcoat paste, add four drops of hardener. That's the problem. Thanks in advance for your help. Communication, Auto Pilot Man I hope its working. 0000018032 00000 n for Sale, Buy A Grills, Boat Drink Apply the gelcoat using a brush or spray gun. 0000022629 00000 n More features, tools? Add 14 drops of liquid hardener per 1 oz. Accessories, Electronic Navigation We suggest a thickness of 18-20 mils to properly cure. Flow -coat on the other hand will have wax added, I suspect this might be what you have, (Gel-coat = no wax. We encourage the use of Acetone, because it does not leave residue and evaporates easily. 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. We recommend 1.5% 2.0 % by volume. Forums, Find Does gelcoat need wax? All rights reserved. Have an abort strategy!! I believe the 12:1 was written for 72 degree F days. .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. Clean repair area and all tools with acetone prior to application. If you decide to Double or Triple the Volume to do a larger project or portion, the Calculator does the math for you! Refer to the catalyst chart located on the product page for the gelcoat you are using or follow the label guidelines. This is the amount of Catalyst you will add in Ounces. 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. *ThisItemShips From Florida ;Click to See Estimated Transit Times. Used as the hardener (activator) in Gel Coats and Resins. A good practice is to pour the mixed gel coat from the mixing container into another container used for application. Be sure to have a good strategy when applying your gelcoat. Location. However as at least one third of the gelcoat is particulate and not resin a mix of just 1.oo % should be fine. Two Versions are available both Ounces and Pounds. of Gelcoat = 1.5% @ 75F. 38 in. That sounds about right. This will accurately measure the proper amount of catalyst. You want to use a buffer that turns 1600-3000 RPM. The standard ratio is 1 oz. Catalyze your material so that it has a longer pot life. You should mix about 4 oz and that will be 1.375 cc/ml. The ratio is dependant on air temperature, resin thickness, temperature of resin and mold. Software, Digital 0000002105 00000 n Let the polyester filler cure until material is firm and tack free, about 10 minutes. 0000023586 00000 n Thanks for the help. Can you apply second coat of gelcoat? For most work, a 3 or 4 wide brush will suffice. 5. Do not work in direct sunlight. 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. will cover 160 Sq. If not, where can I purchase? 0000003724 00000 n 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. Method of Application: Next, determine if you are going to brush, roll or spray your gelcoat so you can prepare the gelcoat for application. Mixing thoroughly is just as important. There are about 20 drops in a cc/ml, so for 4oz of gelcoat you would mix 27 drops of MEKP. Going up to 400, then 600, and eventually 800 grit sandpaper. This is about polyester gel with MEKP hardener. List Name. 0000002243 00000 n Ditch the oz's and drop crap. 0000005113 00000 n 0000001899 00000 n tube of liquid hardener (MEK Peroxide) is sufficient to harden the entire contents of a gallon container. Gelcoat requires Methyl Ethyl Ketone Peroxide or MEKP to enable the process of hardening. Manager at store told me to run 10-12 drops per oz of gelcoat I mix up. of Gelcoat w/o Wax = 1/4 oz. Most re-sprayed gelcoat will cure in 2-4 hours, although overnight cures are ideal. JavaScript is disabled. The normal ration of resin to catalyst is just over 1% but should not go over 2.5%. If you want to roll on a gelcoat, be sure to use a 1/8 or 14 solvent-resistant nap. It usually will not adhere to these surfaces. For a better experience, please enable JavaScript in your browser before proceeding. usually a material called surfacing agent (wax/styrene) or P V A. Shop online or request a free catalog. Generally speaking, for Polyester Resins, the mixing ratio is 2% i.e. For the Water Clear Casting Polyester Resin, this drops to 1.5% or 15ml for every 1kg. Looking for Feedback. The ratio range for catalyst to resin is 1 to 2 percent hardener to the total volume of resin to be used. Mix thoroughly for at least one minute and apply immediately after. How much hardener is in a quart of resin? Deals, Electrical Keeping good notes will help you build a database of initiator levels for temperatures that you encounter frequently. ADD TO CART. That is what target for. and gelcoat needs twice as much catalyist. For use as a final coat over fiberglass layups or for repairs, this gelcoat cures to a hard, glossy surface. Remember to always lap wet. The cabin top width is 108 inches. Now, Shop Thank you! Trolling Motors, Shop Apply gel coat to mold surface. 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 The correct ratio is 11cc per 1/2 gallon. The resin's reaction starts with the addition of MEKP at 0.5% to 1.5 % (2 % for thin laminates). Add 2% catalyst to your chosen quantity of gel coat, stir very thoroughly and note the time. Preparing the Surface for Application: Next, youre going to have to clean the surface. %%EOF Otherwise, there will be only one coat. 75 degrees F. 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. Gelcoat without wax is used when you have a different method selected to cure it. 30 drops is approximately equal to one cc. Duct tape off adjacent gunwale molding, and deck fittings you are unable to remove. Remove seals from the edges of parts or fittings when doing a repair around that part or fitting. Storage Come join the discussion about engines, modifications, classifieds, troubleshooting, fishing, boating, poles, maintenance, and more! trailer Hardware, Boat Correct application of gelcoat is critical to get the optimum performance from it. Catalyzing Gelcoat with MEKP: The catalyst level (MEKP) should not exceed 3.0% or fall below 1.2 for proper cure. Ropes, Boat Zincs, Generator MEK, short for MEKP, is the Hardener or catalyst for Polyester Resin and Vinylester Resin Systems including Isothalic and Gelcoat. This should be added after all other additives just prior to application. How? If youre not sure how thick it is, pick up a mil gauge. (108 in . When mixing small batches, catalyze with 12-18 drops hardener per ounce of gelcoat. 0000018269 00000 n Polyester resins and gelcoats require the addition of MEKP (Methyl Ethyl Ketone Peroxide) catalyst to cure in a desired amount of time. 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. The amount of MEKp that you add to gelcoat and resin will vary with outside weather conditions. Initially spray a cover coat as smooth and evenly as you can to cover your repair. 0000030571 00000 n The final thickness should be 16-20 mils minimum or the gelcoat may not fully cure. This coat should be mostly in the repair area and may be repeated. How many drops of Polyener resin are in an ounce of hardener? Enter the amount of Resin in quarts then adjust % of MEKP using the slider. Seats, Fishing Boat How much hardener should I use? You need to stick to the 1:1 ratio that is measured by volume. Mike, Your email address will not be published. When working on the deck or cabin, tarp off the adjacent areas. Working time is about 5 to 15 minutes, . Boat Repair, Boat Paint & Spraying Gelcoat delivery rate of no more than 2.5 pounds per minute with conventional air atomized spray, and no more than 4 pounds per minute with airless equipment. Breakers, Power Packs & Jump Amount of MEKP in Ounces. Fenders, Boat Trailer Every 10 feet or so, youre going to want to clean your pad with a spur or some air to make sure the contaminants dont scratch your surface.If you want a perfect, glossy shine, use a machine glaze and then two wax coats,and youll have a stunning, glossy professional finish. (1) One Gallon Polyester Resin = 9.2 pounds (2) Specific Gravity MEKP = 1.13 (3) Drop from 1 oz. Gelcoat will not fully cure without adding a surfacing agent or wax additive sanding aid. High Back Reclining Helm Seat, Cabin and Outboards, Shop 7. Then use a rubbing compound to remove the rest of the scratches. 11 27 Be sure not to use foam rollers because they tend to leave the bubbles. Rafts, Paddle Using the drop method, 4 drops are used. Prepping the Surface: Remove rails, cleats, louvers, snaps, striping tape, etc. xb```a`` 0000015038 00000 n 0000003945 00000 n Beside this,how many drops of hardener do i need for gelcoat? 0000001127 00000 n To catalyze TotalBoat Polyester Laminating Resin, at 77F, add 7-8 drops of MEKP catalyst per one fluid ounce of resin. AN 0000023127 00000 n If using a wood mixing stick, place the stick in resin before adding catalyst so the wood doesnt absorb catalyst. The percentages in the chart: 1% thru 2%, are percentages of resin or gelcoat by weight. Galley, Barbeque 19 drops per oz @ about 75 degree produce a quicker drying time with better results . xref 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. Catalyzing Gelcoat with MEKP: All gelcoat MUST be catalyzed with MEKP to cure. 0000012247 00000 n Compound and polish with Aquabuff 2000 then happy a wax such as Collinite 925 UV for protection. You should also feather the surrounding area of the gel coat repair with 220/330. Pot life at 75F is approximately ten minutes. Upgrade the Premium MEKP Catalyst Calculator by WEIGHT EXCLUSIVELY offered by Vernese Customs. Marine Battery Chargers, Shop Boats, Propeller Parts & Cups are are wax coated. Axles, Boat Trailer Tie startxref 0000001926 00000 n Hardware, Boat Trailer Beside above,how many drops of resin are in an ounce of mekp? Parts, Boat Tubing & The MEKP Calculators by WEIGHT are Dead-On when it comes to precision and Superior to any Catalyst Chart. Do the math, and that yields 0.96cc per 100g of resin for 1% and 2.4cc for 2.5%. hry/ %qSB>JdM|}gvei8=sY<9Y'W`g09tkJLNf B3!^Oil d6m|uM} p{ql+s,S'. Polyester resin is not nearly as forgiving as epoxy so you really gotta be on the money with the mix. Marble, Engine Professionals, Boat Restoration, Building, and Hull Repair, Shop Blocks, Marine Gel Coat Additives: You should also determine which additives you will use with your gelcoat application. 2 What is Topcoat? 0000002777 00000 n Acessories, Fish Cleaning Tags: MEKP > MEKP for gel coat > gel coat catalyst > gel coat hardener > hardener for gel coat > 132662 > 132661. Usually 320 or 400 grit wet paper is sufficient for the initial sanding. Helm Seats, Shop Be sure not to use foam rollers because they tend to leave the bubbles. Pot life (amount of time for application of the product) shortens dramatically as you mix larger batch sizes. If you want CONSISTENT RESULTS every time you mix, YOU NEED to MEASURE BY WEIGHT NOT VOLUME!! 0000000836 00000 n Resin that cures still in the mixing pot is unusable. 0000001050 00000 n Deals, Camping & RV Gelcoat needs to be applied evenly. of Gelcoat w/o Wax = 2-4 oz . Gelcoat will not darken or change colors when it dries. Used as the hardener (activator) in Gel Coats and Resins. This item has a shelf life of approximately 2-3 months. Cable, Marine Batteries & Some customers use Styrene for thinning but the manufacturer warns it can affect the gelcoat colors although this is the most cost-effective option and doesnt have the added wax. Holders, Cabin Accessories & 0000022891 00000 n 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.) 2. Steel Blue is a dye youre going to wipe on or you can use the blue dye spray. 13-15 cc per quart. Ventilation, Interior & Cabin Deals, Electronics Spray: Airless or Conventional: 2.0-2.5 orifice tip. It's important that the fiberglass is clean before you gelcoat over it. See more I want to say poly resin needs 10 drops of MEKP per 1 oz. 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 the recommended thinners/additives only which are listed on the gelcoats product page. rQ{.Z7. i[wk. To cure properly and completely, gelcoat needs to be devoid of oxygen. The higher the temperature, the less hardener you need. All the essential pizza ingredients the crust, sauce, and cheese contain a lot of salt. Large quantities will exotherm and kick off very fast, leaving you with a smoldering mess in your cup. Note: All gel coats and resins from the Bottom Paint Store include MEKp with the applicable size of gelcoat/resin. It may not display this or other websites correctly. 30 seconds, ensuring to scrape bottom and edges of the mixing container. How many drops of MEKP is 1 oz of gelcoat? Protection, Ladders, Steps, & The two componants when mixed will react with each other to crosslink and polymerise into a solid plastic. Stir well. Well, first and foremost, using a Catalyst Chart or these Catalyst Calculators will increase the quality of your work. d23 ?P90. Can you mix resin in paper cups? of Gelcoat = 2% 3% is the Maximum ratio. If the gelcoat does not get enough catalyst it will not kick or begin to harden. 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. Hardware, Marine Using 38 inch wide cloth, Mr. Smith needs three 10 ft. pieces. All Gel Coats from Bottom Paint Store come with MEKP with each gelcoat purchase. All, Boat Bimini Parts, Wash Down 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. . of wax; 32 oz. 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. Parts, Rule 1500 GPH Automatic 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.