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. Gel coat is a polyester resin and uses MEKP as the catalyst. Rafts, Paddle This works on every single polyester product, not just the amazing products at totalboat. Its a very small number. Do you need to add catalyst to resin? We encourage the use of Acetone, because it does not leave residue and evaporates easily. How much does a gallon of polyester resin weight? Resins that have Duratec in their name require a 2% mix ratio (2 2/3 ounces per gal Oz = fluid ounce . Upgrade the Premium MEKP Catalyst Calculator by WEIGHT EXCLUSIVELY offered by Vernese Customs. 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. Stir well. 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 Also, they are used for the first sanding of gouges, dock dings, scratches, and blisters. 50 Graduated Paper Cups Perfect for mixing small batches resin, paint, stain, epoxy from 1 to 3 ounces.
Gel coat to hardenner ratio. | YBW Forum For use as a final coat over fiberglass layups or for repairs, this gelcoat cures to a hard, glossy surface. 38 in. Do not use more than 1 oz tint per quart. Mix in the MEKP at 1-1.5% and see if it works ok on a test panel. Following this, it should be wet sanded with 320, 400, and 600 wet grit paper, buffed, polished and waxed.
Gel Coat Application Guide - How to apply gelcoat correctly ACCOUNT, Find Failing to do so will result in the resin not hardening as it should. When working on the deck or cabin, tarp off the adjacent areas. Catalyzing Gelcoat with MEKP: The catalyst level (MEKP) should not exceed 3.0% or fall below 1.2 for proper cure. Measures Chart (Example - 1 Gallon = 231 Cubic Inches and
For spraying gelcoat our FGCI brand does not recommend thinning. of Gelcoat = 2% 3% is the Maximum ratio. xref
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
Sandable time: Depends on temperature, amount of catalyst, and mass of fairing compound. The thickness of the matchbook cover is approximately 18 mils. When MEKP is mixed with polyester or vinylester resin, the resulting chemical reaction causes heat to build up and cure or harden the resin. (1 quart) 1/2 ounce to 1 ounce: 1 gallon: 2 ounces to 4 ounces: Important Note. 0000017788 00000 n
Is pepperoni high in sodium? Beside this,how many drops of hardener do i need for gelcoat? Working time is about 5 to 15 minutes, . 1 TBS = 1/2 oz. At 77F 1.8% MEKP will provide a gel time of 10-17 minutes. Adding cured meats such as pepperoni or sausage adds even more sodium. Below are some things to consider when trying to figure out how many drops of mekp is 1 oz of gelcoat. Ft. @ 10 Mils) 1 Fl. The final thickness should be 16-20 mils minimum or the gelcoat may not fully cure. 0000002941 00000 n
Telescopes, Covers and I would forget the drops and using ounces. 0000030571 00000 n
Find many great new & used options and get the best deals for Veterinary Formula Clinical Care Ear Therapy 4 oz. (16 oz. Choose a shady location or an overcast day. Ski, Wakeboard & Circuit The ease of application makes this the perfect gelcoat for repairs and small parts production with no wax needed. The amount of MEKp that you add to gelcoat and resin will vary with outside weather conditions. 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. Under- or over-catalyzed gel coat will cure slower and look faded or chalky. 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.
PDF GEL COAT REPAIR - Marine Coat One How Many Drops Of Mekp Is 1 Oz Of Gelcoat 625 CC per ounce of gelcoat. Polyester resins and gelcoats require the addition of MEKP (Methyl Ethyl Ketone Peroxide) catalyst to cure in a desired amount of time. AND have fun!! 0-2.2% MEKP based on the weight of the resin). If you have Professional Grade Exterior Gelcoat you may either brush/roll or spray. Only catalyze slightly more than needed. Similarly,how many drops of hardener do i need? Product is flammable, use caution!
TotalBoat Gelcoat for Marine RV Pools and More - Jamestown Distributors When sanding areas that have been filled with putty we suggest using 40 or 80 grit sandpaper, depending on how large the repair is. MEKP speeds up the curing reaction of the polyester resin in these .
Polyester resin : Mek ratio ?? - RC Groups There are about 20 drops in a cc/ml, so for 4oz of gelcoat you would mix 27 drops of MEKP. Deals, Trailering B. 0000015094 00000 n
oops! Spraying gel coat is recommended for more accurate and consistent coverage. 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. Deals, Pumps & Plumbing I want to say poly resin needs 10 drops of MEKP per 1 oz. 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.
How Many Drops Of Mekp Is 1 Oz Of Gelcoat - WHYIENJOY & Dock, Anchor Chains & If you want CONSISTENT RESULTS every time you mix, YOU NEED to MEASURE BY WEIGHT NOT VOLUME!! 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). Epoxies are much simpler to get a good ratio by weight. TIP: If using a wooden mixing stick, place the stick in the resin before adding catalyst so the wood doesn't absorb the catalyst. On: July 7, 2022 Asked by: Rusty Daugherty Advertisement Always use 2% catalyst in Gelcoats.
Gelcoat to Hardener Ratio - Classic Parker Boat Forum I believe the 12:1 was written for 72 degree F days. Start typing to see products you are looking for. 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. Covers, Boat Cover Thanks, Hardware, Boat Seats by Caulking, Marine Engine 0000003502 00000 n
There are 2 thinners that are recommended by the manufacturer when spraying gelcoat: Patch Booster, and Duratec. Axles, Boat Trailer Tie This is a simple, easy way to see the thickness of your gelcoat. Zincs, Generator Tackle Boxes, Fishing Bait & = 1.17 polyester resin= 1.09 gelcoat = 1.3, Equivalent
Biminis, View Get all the latest information on events, sales and offers. The reason to use a non-wax is for putting on multiple coats without having to sand in between coats. 2. gelcoat needs a surface seal of some kind to inhibit air on the surface. 7. 0000002243 00000 n
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. For 50 g gel coat add 1 g catalyst (approximately 20 drops) For 100 g gel coat add 2 g catalyst (approximately 40 drops) 2 What is Topcoat? 11 27
MEKP Liquid Hardener - Jamestown Distributors 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. Gelcoat without wax is used when you have a different method selected to cure it. You are using an out of date browser. The two componants when mixed will react with each other to crosslink and polymerise into a solid plastic. Since manufacturer specs change often due to formula updates be sure to follow the most recent recommendations from the technical data sheets. 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. Do not use any other wax additive when using Patch Booster. and gelcoat needs twice as much catalyist. Quantity of Wax Additive Required: 1 ounce: 20 drops: 16 oz. Gelcoat should not be used when temperature conditions are below 60F, as curing may be adversely affected. Rails, Marine Tools & Tool How many Oz is a slice of pizza? How? Depending on the amount of resin needed, pour the appropriate ratios of polyester resin and MEKP into a heavy-duty plastic tub or bucket. (1 pint) 1/4 ounce: 32 oz. Most re-sprayed gelcoat will cure in 2-4 hours, although overnight cures are ideal. High Back Reclining Helm Seat, Cabin and 11 0 obj<>
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This will accurately measure the proper amount of catalyst. Trolling Motors, Shop Dock, Cabin and Use these calculators and mix very small batches until you achieve the desired result. Easy! %%EOF
If you brush on the gel coat, make sure to use a solvent resistant brush. The total area to be glassed is 90 square feet. Applying Gelcoat by Brush or Roller: Choose a good pure (natural) resin-resistantbristle brush with tapered ends. Blocks, Marine You want to use a buffer that turns 1600-3000 RPM. Mix small batches at a time since too much MEKP will result in the hardening of the gelcoat way too fast! Enjoy!!! 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. Start by sanding the surface with 150 grit or sandpaper. 0000001255 00000 n
The percentages in the chart: 1% thru 2%, are percentages of resin or gelcoat by weight.
PDF Gel Coat Instructions - Marine Gel Coat Repair Product | Marine Products Spraying gel coat is recommended for more accurate and consistent coverage. Its best to do a 4-foot by 4-foot area at a time. 0000013646 00000 n
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. 30 drops is approximately equal to one cc. and gelcoat needs twice as much catalyist. What is brushable gelcoat? Gelcoat Catalyst Requirements. When spraying to a radius, flow the gelcoat to the tape. Well, first and foremost, using a Catalyst Chart or these Catalyst Calculators will increase the quality of your work.
How many drops of MEKP is 1 oz of gelcoat? - TimesMojo Resin that cures still in the mixing pot is unusable. . Description. Distribution, ProMariner ProNautic If you want to roll on a gelcoat, be sure to use a 1/8 or 14 solvent-resistant nap. List Name. 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.) Usually 320 or 400 grit wet paper is sufficient for the initial sanding. They are flexible enough to make pouring easy. Please refer the to Catalyzation chart on the Gelcoat page or on the label. Covers, Boat Seat Plumbing, Anchor Drink Holders. Ideal range is 1.8% @ 77F. All Gel Coats from Bottom Paint Store come with MEKP with each gelcoat purchase. 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. Apply gel coat to mold surface. Deals, Electronics 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. Lights, Boat Trailer Get a proper measuring cup and syringe and use cc's or ml's for both.
Are there different types of gelcoat? - TimesMojo Use 6 drops of catalyst into 10ml of resin. Adding too much of either resin or hardener will alter the chemical reaction and the mixture will not cure properly.
Mekp to resin chart difference | Boat Design Net Be even and consistent in your gun movement, overlapping each previous pass slightly and not hesitating on the ends. Hardware, Boat
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