how many drops of mekp is 1 oz of gelcoat

Hardware, Boat Cabin How much does a gallon of polyester resin weight? Do not use any other wax additive when using Patch Booster. Marine Coat One Iso/Npg Marine Gel Coat White with Wax with MEKP Catalyst for Hardening, Plus 6 Color Tinting Pigments for Your Perfect White Match (1 Quart) 4.4 out of 5 stars 352 3 offers from $33.99 They are sturdy and smooth on the inside to help with complete mixing. Honda 5hp Outboard, Boat Otherwise, one coat will do. 0000012247 00000 n 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. 0 That sounds about right. & Live Bait 0000000872 00000 n Anything below 60 degrees, and your gelcoat will not cure, but as you get warmer and warmer, your working time will decrease rapidly. Epoxies are much simpler to get a good ratio by weight. Depending on the amount of resin needed, pour the appropriate ratios of polyester resin and MEKP into a heavy-duty plastic tub or bucket. If you brush on the gel coat, make sure to use a solvent-resistant brush. 114 0 obj <> endobj It may not display this or other websites correctly. 0000003724 00000 n Click Here. All, Anchor & When sanding areas that have been filled with putty we suggest using 40 or 80 grit sandpaper, depending on how large the repair is. How many drops of Polyener resin are in an ounce of hardener? 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. It needs to be handled with care. This is eye needs cataract surgery; thought it would help - actually . Gelcoat Repair Part 2: Mixing and Application. Patch booster is used with a 5:1 ratio or about 20% by volume. Biminis, View Gelcoat that is . Gelcoat without wax is used when you have a different method selected to cure it. 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. !0Y|McnY>s,O*T* "LbfM;W20wmw!L Add a New List . 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. We recommend 1.5% - 2.0 % by volume. Find many great new & used options and get the best deals for Veterinary Formula Clinical Care Ear Therapy 4 oz. This is a simple, easy way to see the thickness of your gelcoat. Since manufacturer specs change often due to formula updates be sure to follow the most recent recommendations from the technical data sheets. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The reason to use a non-wax is for putting on multiple coats without having to sand in between coats. However, I can NOT guarantee you will achieve the same results as I would. Detectors, Binoculars & 0000006580 00000 n There are 2 thinners that are recommended by the manufacturer when spraying gelcoat: Patch Booster, and Duratec. One gallon will cure approximately 100 gallons of resin and 50 gallons of gelcoat. For each teaspoon (1/6 oz) of blended gelcoat paste, add four drops of hardener. Ditch the oz's and drop crap. 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. 0000015038 00000 n Thanks for the help. Determine the Existing Surface: First thing you want to do is look at the surface on which you want gelcoat applied. Boats, Propeller Parts & TIP: If using a wooden mixing stick, place the stick in the resin before adding catalyst so the wood doesn't absorb the catalyst. One slice of pizza is about six ounces and 300 to 400 calories. First, decide if you need one or two coats of gelcoat. Use these calculators and mix very small batches until you achieve the desired result. This is about polyester gel with MEKP hardener. 0000010798 00000 n 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. Keep in mind that it is best to mix in small quantities. 75 degrees F. 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. Systems, Lowrance Hook2-4 GPS 0000001050 00000 n The warmer the temperature the less MEKp you would to activate the gelcoat/resin. 0000001107 00000 n Waxes, Boat Cleaning Darker colors need a little more catalyst for the same reaction, so you can catalyze up to 2%. For really small repairs I would mix 1 ounce of gelcoat with 12 drops of catalyst or in your case 16 drops which is a really small amount. Gelcoat Catalyst Requirements. A good practice is to pour the mixed gel coat from the mixing container into another container used for application. 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. Be sure not to use foam rollers because they tend to leave the bubbles. This should be added after all other additives just prior to application. 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. Deals, Trailering Flow -coat on the other hand will have wax added, I suspect this might be what you have, (Gel-coat = no wax. This item is flammable and can only be shipped by ground. 27. If you have Professional Grade Exterior Gelcoat you may either brush/roll or spray. As mentioned above, the plastic is to help with the cure. GEL COAT REPAIR INSTRUCTIONS. Read all warnings on product labels and only use additives recommended as described per each product. Protection, Ladders, Steps, & Towers, Tow Ropes & No catalysts are needed. That's really hard to weigh! Manufacturer, Boat Tables & If youre not sure how thick it is, pick up a mil gauge. If this is going over a patch, we recommend 2 coats at least, to get a nice, uniform surface. 1.25. Clean the fiberglass surface with ajax or comet and water. rQ{.Z7. i[wk. Insurance, Boat Cable, Marine Batteries & 0000003945 00000 n Sand it down with 80 grit sandpaper until it's flush with the surface of the fiberglass. Check the temperature of the Gelcoat stock and insure that it is not below 70F. Does gelcoat need wax? It is only when mixed with an epoxy hardener that they can cure properly. We suggest a thickness of 18-20 mils to properly cure. . This works on every single polyester product, not just the amazing products at totalboat. 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 . Deals, Pumps & Plumbing Clean the repair area and all tools with acetone prior to application. Quantity of Wax Additive Required: 1 ounce: 20 drops: 16 oz. Spraying gel coat is recommended for more accurate and consistent coverage. Ideal range is 1.8% @ 77F. Maintenance, Boat Cleaners & Method of Application: Next, determine if you are going to brush, roll or spray your gelcoat so you can prepare the gelcoat for application. AN How much hardener is in a quart of resin? JavaScript is disabled. 0000003380 00000 n 0000001832 00000 n Professionals, Boat Restoration, Building, and Hull Repair, Shop 3. use an eye dropper to catalyze small quantities 20 drops of mekp per. Ounces (Volume Applying Gelcoat by Brush or Roller: Choose a good pure (natural) resin-resistantbristle brush with tapered ends. If the surface is painted then the paint should be removed before the gelcoat is applied. For example, four drops of hardener will be 1 percent of 1 ounce of resin. Used as the hardener (activator) in Gel Coats and Resins. Upgrade the Premium MEKP Catalyst Calculator by WEIGHT EXCLUSIVELY offered by Vernese Customs. Trolling Motors, Shop 0000023817 00000 n Instantly, you will gain predictable results. Duct tape off adjacent gunwale molding, and deck fittings you are unable to remove. The two componants when mixed will react with each other to crosslink and polymerise into a solid plastic. MEKP speeds up the curing reaction of the polyester resin in these . your boats Gel Coat Match, Shop Spray: Airless or Conventional: 2.0-2.5 orifice tip. Mix thoroughly for at least one minute and apply immediately after. For example, if you are using a conventional spray gun, you should set the pressure between 30 and 50 psi. Beside above,how many drops of resin are in an ounce of mekp? MEKP can be added to polyester resin in the range of 1 to 2% by volume or weight. Here is an Old School MEKP Chart for Download if you prefer. As soon as you are done spraying, clean your sprayer fully with acetone. Approximately eight drops of MEKP to each 1/2oz. This will avoid unnecessary sanding scratches. When MEKP is mixed with polyester or vinylester resin, the resulting chemical reaction causes heat to build up and cure or harden the resin. 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. Rafts, Paddle Plumbing, Fresh Water Boat 8 drops 16 drops 16 drops Add the MEKP to the Gelcoat before thinning. therefore by my calculations you'll need 10 drops. of wax; 32 oz. Large quantities will exotherm and kick off very fast, leaving you with a smoldering mess in your cup. Sanding between coats is not necessary unless a surfacing agent has been added to your gel coat. You should mix about 4 oz and that will be 1.375 cc/ml. Darker color gelcoats will also require more MEKp then the recommended amounts above. Resin and Gelcoat differ in weight. Generally speaking, for Polyester Resins, the mixing ratio is 2% i.e. Enjoy!!! 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. Axles, Boat Trailer Tie With the new ratio of .6 CC per oz of gelcoat everything took perfect. Ft. @ 10 Mils) 1 Fl. Working time is about 5 to 15 minutes, . Cups are are wax coated. Finish/topcoat with. 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 Epoxy activators are all proprietary, depending on the product. Measures Chart (Example - 1 Gallon = 231 Cubic Inches and Gelcoat is significantly heavier than Resin because of the fillers and pigments added. Get a proper measuring cup and syringe and use cc's or ml's for both. Be sure to have a good strategy when applying your gelcoat. How much hardener should I use? Platforms, Slide (#69-A) unit can be shipped via standard ground service without hazard charges within the 48 contiguous United States. 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. Can I spray gelcoat with an airless sprayer? 0000023586 00000 n 0000017788 00000 n 0000007919 00000 n Quantity. The correct ratio will appear below. We all have a phone with a calculator so that makes this process even easier. Systems, Marine Plumbing Have you ever spent what seems like days measuring drops of mekp or catalyst for your polyester resin? Bilge Pumps, Shop We sell. Also, they are used for the first sanding of gouges, dock dings, scratches, and blisters. Biminis, RV & Trailer Blocks, Marine Avoid brushes that are either too stiff or too soft. Mix thoroughly for at least one minute and apply immediately after. xb```a`` Fillers are added to help control peak exotherm, shrinkage, and cure rate. X`:.geS>Xpiq~\\|=)Dv0'O-GFT# PINT (16OZ) 1/4 OUNCE In temperatures below 70 degrees, the paraffin can QUART (32OZ)1/2 OUNCEsolidify in the bottle. I want to say poly resin needs 10 drops of MEKP per 1 oz. 0000002105 00000 n Hardware, Marine as this one is). Rails, Marine Tools & Tool 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. Adding more of less of the catalyst agent will speed up or slow down the curing time for the resin. We recommend 1.5% 2.0 % by volume. Now, once again, I know that we have been using 0.75% for our recommended minimum, and that has been successful all these years. B. This MEKP is the catalyst/hardening agent for polyester resins and polyester gelcoats. 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. Accessories, Marine Electrical Covers, Boat Shrink Wrap 0000019960 00000 n We suggest a thickness of 18-20 mils to properly cure. Watch on. Motors, Fishing Downriggers & Accessories, Electronic Navigation 1 GALLON 2 OUNCES Charts & Telescopes, Covers and Sparky568 Junior Member. 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. Tables, Minn Kota Marble, Engine Choose a shady location or an overcast day. This is about 1% which is tuned for 80 degrees or higher. If not, where can I purchase? If using a wood mixing stick, place the stick in resin before adding catalyst so the wood doesnt absorb catalyst. Tackle Boxes, Fishing Bait & Come join the discussion about engines, modifications, classifieds, troubleshooting, fishing, boating, poles, maintenance, and more! I purchased the gel coat which is matched to my color hull from Ranger boats and purchased MEK ( catalyst ) from O'Riley. See this article for more information: How to Apply Gelcoat by Brush and Roller. Financing, Iboats Does resin need hardener? Keep in mind that you have a limited time to apply what you have mixed (usually between 5-15 minutes). Beside this,how many drops of hardener do i need for gelcoat? 0000022629 00000 n 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. CREATE 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. To catalyze TotalBoat Polyester Laminating Resin, at 77F, add 7-8 drops of MEKP catalyst per one fluid ounce of resin. Mix in the MEKP at 1-1.5% and see if it works ok on a test panel. 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. MEK, short for MEKP, is the Hardener or catalyst for Polyester Resin and Vinylester Resin Systems including Isothalic and Gelcoat. Start typing to see products you are looking for. However, if you have opacity problems two coats may be necessary with a light sanding between coats. This item has a shelf life of approximately 2-3 months. Storage 0000002707 00000 n 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. 0000001899 00000 n Cushions, Lexington 7-Eleven Large Pepperoni Pizza. Sockets, Marine Electrical Remember to always lap wet. You may purchase this item if you desire additional . Gelcoat needs to be applied evenly. I used acetone and sanded off the old 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? Gel coat will not fully cure without adding a surfacing agent or over spraying with PVA. All Gel Coats from Bottom Paint Store come with MEKP with each gelcoat purchase. Take steps to cover and protect the rest of the boat before starting. Below you will find a detailed gel coat preparation guide on how to apply gelcoat to your boat, RV, or other surfaces. Use 3M Abrasives for best results. 0000000016 00000 n Free shipping for many products! .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. of Catalysts to be Used with Polyester Resins MEKP - Number of oz. This is the amount of Catalyst you will add in Ounces. Add 14 drops of liquid hardener per 1 oz. Lights, Boat Trailer . 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. Note: All gel coats and resins from the Bottom Paint Store include MEKp with the applicable size of gelcoat/resin. Accessories, Boat Lift Canopy To cure properly and completely, gelcoat needs to be devoid of oxygen. More if temps <60> 80 or 90. Following this, it should be wet sanded with 320, 400, and 600 wet grit paper, buffed, polished and waxed. 1 Oz is recommended for 1 Quart of Gel Coat or Resin. Covers, Boat Cover Hardware, Boat of Fiberglass Resin (or for can of Fiberglass Resin, use tube of liquid hardener). Failing to do so will result in the resin not hardening as it should. Boat, Sell A How do you know how many ml's per drops you are getting? You have a work time of approximately 15 minutes. Supplies, Boston Whaler, 1972-1993, Bullet Skimmer, Paint and The correct ratio is 11cc per 1/2 gallon. 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 requires Methyl Ethyl Ketone Peroxide or MEKP to enable the process of hardening. It has to be mixed at a 1:1 ratio with gelcoat. Unfilled resin can heat up to 300F resulting in cracking. All, Boat Bimini startxref The non-wax gelcoat will remain sticky untill the wax is added. Measure catalyst accurately. 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. That's the problem. You will need to thin the gelcoat for it to run through the spray gun. 13-15 cc per quart. Part # PBBR-.5 ( oz dropper) Mixing cup will give exact measurements for larger volumes in CC and ounce increments. 1 What is Gelcoat? Do you need to add catalyst to resin? I would forget the drops and using ounces. The cabin top is 9 feet wide by 10 feet long (910=90 square feet). 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 Have an abort strategy!! When adding it to gelcoat, you must also add the MEKP (methyl ethyl ketone peroxide) hardener. Kits, Boat Trailer t,efR*o*3nsq5#eRY^_~Y-j8oC/vFTvH*S 1 ea contains 1 ea . Otherwise, there will be only one coat. Boat Repair, Boat Paint & Vinyl, Floating Boat Pot life at 75F is approximately ten minutes. Communication, Auto Pilot How? Polyester resin is not nearly as forgiving as epoxy so you really gotta be on the money with the mix. Used as the hardener (activator) in Gel Coats and Resins. Hardware, Boat Seats by 2007 Beavertail Opsrey - 2017 Suzuki DF60A. 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. Practice and prepare!! For 50 g gel coat add 1 g catalyst (approximately 20 drops) For 100 g gel coat add 2 g catalyst (approximately 40 drops) 30 seconds, ensuring to scrape bottom and edges of the mixing container. 0000002777 00000 n If you add too much then you risk it burning. Jacks, Boat Trailer Brakes & Catalyze your material so that it has a longer pot life. Generally, mix one-pint batches. Add 2% MEKP catalyst, by volume: 14-16 drops per ounce, or 2 teaspoons per pint. Enter the amount of Resin in quarts then adjust % of MEKP using the slider. As a general rule: The catalyst level (MEKP) should not exceed 3.0% or fall below 1.2 for proper cure. 625 CC per ounce of gelcoat. 2. Use 6 drops of catalyst into 10ml of resin. Manager at store told me to run 10-12 drops per oz of gelcoat I mix up. 3 This should be Noted when Buying Gelcoat and Topcoat; 4 Buying Gelcoat / Gelcoat Repair Kit; 5 Buying Topcoat; 6 Instructions for Gelcoat Repair. Always consider the width of the cloth plus an overlap allowance at the seams. (108 in . Terminals, Marine Fuse Blocks & 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. 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. Mike, Your email address will not be published. How Many Drops Of Mekp Is 1 Oz Of Gelcoat 625 CC per ounce of gelcoat. The ratio is on the hardener container. Polyester resins and gelcoats require the addition of MEKP (Methyl Ethyl Ketone Peroxide) catalyst to cure in a desired amount of time.

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