At 77F 1.8% MEKP will provide a gel time of 10-17 minutes. Outboards, Shop Measure catalyst accurately. Supplies, Boston Whaler, 1972-1993, 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. Resins MEKP - Number of cc per Volume), Catalyst Concentration by Storage Ideal range is 1.8% @ 77F. You are using an out of date browser. Gelcoat Putty Repair Spider Cracks And Fill Gouges! This MEKP is the catalyst/hardening agent for polyester resins and polyester gelcoats. If applied onto a floor without the hardener, the resin would remain a near liquid indefinitely and could not transform into a durable flooring system. Sockets, Marine Electrical You should find a warmer spot to move your piece such as room or working office. Trailer Winches, Shop Bilge Pumps, Shop 0000003417 00000 n 0000010798 00000 n Under- or over-catalyzed gel coat will cure slower and look faded or chalky. Bilge Pump, Tires, Rims, & Hub Grills, Boat Drink 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. Our technicians suggest the use of Dyekum Steel Blue Dye to be really thorough. Ft. @ 10 Mils), Catalyst Concentration by CC (Volume of Catalysts to be Used with Polyester For the Water Clear Casting Polyester Resin, this drops to 1.5% or 15ml for every 1kg. For a better experience, please enable JavaScript in your browser before proceeding. See more Well, first and foremost, using a Catalyst Chart or these Catalyst Calculators will increase the quality of your work. Clean repair area and all tools with acetone prior to application. It may not display this or other websites correctly. Steel Blue is a dye youre going to wipe on or you can use the blue dye spray. Registered User. Approximately ten drops of MEKP to each 1/2oz. Remember to always lap wet. 0000018032 00000 n Seats, Offshore Boat It usually will not adhere to these surfaces. Gel coats are often the exterior coating for composites parts, providing both the color and texture of the part. Keeping good notes will help you build a database of initiator levels for temperatures that you encounter frequently. 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. As mentioned above, the plastic is to help with the cure. If adding pigment do so first and thoroughly stir in mixing well before adding catalyst, be careful not to under or over pigment. Quantity. Please follow the instructions located on the products page or the label. Tags: MEKP > MEKP for gel coat > gel coat catalyst > gel coat hardener > hardener for gel coat > 132662 > 132661. Shop online or request a free catalog. **NOTE** Duct tape is recommended over masking tape because it provides better protection. Terminal 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. PFDs, Roof Racks, Carriers, I want to say poly resin needs 10 drops of MEKP per 1 oz. Adding more of less of the catalyst agent will speed up or slow down the curing time for the resin. (108 in . Gel time at 1.8% MEKP is 10-17 minutes. Breakers, Power Packs & Jump There are also disposable cup liners available that you can insert into the plastic Poly-Pro graduated cup or paper cup. Oz = fluid ounce . Usually 12 drops per ounce of gelcoat or 1.8% at 77F. Marine Battery Chargers, Shop Do not use any other wax additive when using Patch Booster. If the surface is painted then the paint should be removed before the gelcoat is applied. Catalyzing Gelcoat with MEKP: All gelcoat MUST be catalyzed with MEKP to cure. Does gelcoat need wax? Seats, Fishing Boat Watch on. Applying Gelcoat by Brush or Roller: Choose a good pure (natural) resin-resistantbristle brush with tapered ends. of Catalysts to be Used with Polyester Resins MEKP - Number of oz. Telescopes, Covers and Using the drop method, 4 drops are used. 0000030571 00000 n Since manufacturer specs change often due to formula updates be sure to follow the most recent recommendations from the technical data sheets. Similarly,how many drops of hardener do i need? This is about 1% which is tuned for 80 degrees or higher. 0-2.2% MEKP based on the weight of the resin). startxref Deals, Electrical Going up to 400, then 600, and eventually 800 grit sandpaper. We sell. On their own, epoxy resins are very stable fluids with relatively long shelf lives. 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. Again I'm not a fan of "drops" because its super subjective. Login, Boats Accessories, PWC Parts & Blocks, Marine 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. 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 . A forum community dedicated to Small Skiff owners and enthusiasts. Adding cured meats such as pepperoni or sausage adds even more sodium. Detectors, Binoculars & 0000018269 00000 n 0000000836 00000 n You can measure the fluid ounce (s) of resin in a clean mixing cup. The color wet is the color when dry. Add the MEKP . Prepping the Surface: Remove rails, cleats, louvers, snaps, striping tape, etc. 0000030992 00000 n Failing to do so will result in the resin not hardening as it should. It needs to be handled with care. 0000015094 00000 n 0000009357 00000 n The two componants when mixed will react with each other to crosslink and polymerise into a solid plastic. For 50 g gel coat add 1 g catalyst (approximately 20 drops) For 100 g gel coat add 2 g catalyst (approximately 40 drops) All rights reserved. Boat, Sell A Adding more of less of the catalyst agent will speed up or slow down the curing time for the resin. When working on the deck or cabin, tarp off the adjacent areas. Hardware, Boat GEL COAT REPAIR INSTRUCTIONS. Sealant, & 0000019960 00000 n Terminals, Marine Fuse Blocks & . High Back Reclining Helm Seat, Cabin and 0000006580 00000 n 0000003229 00000 n 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. Turning brown or even worse your mixing jar catching on fire. Why is my resin not hardening? Lights, Boat Trailer Holders, Cabin Accessories & 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. Systems, Lowrance Hook2-4 GPS Bottom Paint Store Blog How to Articles. Ounces (Volume Duratec is for a cosmetic high gloss finish. 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. Ventilation, Interior & Cabin Pumps, Marine Pump Replacement Find many great new & used options and get the best deals for 3 PK REFRESH LIQUIGEL Lubricant Eye Gel 0.50 oz NIB EXP. Click Here. The total area to be glassed is 90 square feet. AN The warmer the temperature the less MEKp you would to activate the gelcoat/resin. therefore by my calculations you'll need 10 drops. Deals, Electronics It is typically used between 1.25% to 1.75% (1 2/3 ounce to 2 1/3 ounces per gallon). Thanks for the help. Do the math, and that yields 0.96cc per 100g of resin for 1% and 2.4cc for 2.5%. Lighting, Marine Teak Darker colors need a little more catalyst for the same reaction, so you can catalyze up to 2%. Rails, Marine Tools & Tool 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. The specific gravity of MEKP is 1.045. & Circuit Mix in the MEKP at 1-1.5% and see if it works ok on a test panel. How do you know how many ml's per drops you are getting? You can over-spray with PVA before gel coal reaches its gel stage (5-10 min. Upgrade the Premium MEKP Catalyst Calculator by WEIGHT EXCLUSIVELY offered by Vernese Customs. 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. 0000001279 00000 n Plumbing, Anchor 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). Mix thoroughly for at least one minute and apply immediately after. (1 pint) 1/4 ounce: 32 oz. Video, GPS Chartplotters & I don't know if age effects it or not. 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. Generally, mix one-pint batches. Apply gel coat to mold surface. What is brushable gelcoat? Deals, Boat Seats Sanding between coats is not necessary unless a surfacing agent has been added to your gel coat. Quantity of Wax Additive Required: 1 ounce: 20 drops: 16 oz. 0000006330 00000 n Software, Digital Gelcoat without wax is used when you have a different method selected to cure it. 100 ml at 1.5% is 1.5ml MEPK etc. Tables, Minn Kota So bought a quart of MarPro gelcoat with wax with the MEKP hardener included. 3M and UV tapes , and masking papers are recommended. Now, Shop The drops fogged vision in right eye versus using simple artificial tears. xref This is the amount of Catalyst you will add in Ounces. It is typically used between 1.25% to 1.75% (1 2/3 ounce to 2 1/3 ounces per gallon). How much hardener is in a quart of resin? 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. (1 quart) 1/2 ounce to 1 ounce: 1 gallon: 2 ounces to 4 ounces: Important Note. 2 Oz is recommended for 1 Gallon of Gel Coat or Resin. B. We suggest 1-1/4% to 1-1/2% by volume, i.e. Thank you! This will accurately measure the proper amount of catalyst. This works on every single polyester product, not just the amazing products at totalboat. %%EOF 0000002105 00000 n 2. gelcoat needs a surface seal of some kind to inhibit air on the surface. Screws, Boat Handles, Pulls, You will need to thin the gelcoat for it to run through the spray gun. 0000012247 00000 n 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. Grande Mastere Dreade Snag's spellchecker 20,728 5,208 3026'36.2"N 8832'13.8"W Determine the Existing Surface: First thing you want to do is look at the surface on which you want gelcoat applied. The amount of MEKp that you add to gelcoat and resin will vary with outside weather conditions. endstream endobj 115 0 obj <>/Outlines 1 0 R/Metadata 14 0 R/PieceInfo<>>>/Pages 13 0 R/PageLayout/OneColumn/StructTreeRoot 16 0 R/Type/Catalog/LastModified(D:20130606150718)/PageLabels 11 0 R>> endobj 116 0 obj <>/Font<>/ProcSet[/PDF/Text]/ExtGState<>>>/Type/Page>> endobj 117 0 obj [118 0 R] endobj 118 0 obj <>/A 132 0 R/F 4/H/I/StructParent 1/Border[0 0 0]/Type/Annot>> endobj 119 0 obj <> endobj 120 0 obj <> endobj 121 0 obj <> endobj 122 0 obj <> endobj 123 0 obj [/ICCBased 133 0 R] endobj 124 0 obj <>stream Should I use gelcoat with or without wax? . (16 oz. For spraying gelcoat our FGCI brand does not recommend thinning. For each teaspoon (1/6 oz) of blended gelcoat paste, add four drops of hardener. Manufacturer, Boat Tables & Do not use more than 1 oz tint per quart. Oars, Wakeboard, Wakesurf & It's important that the fiberglass is clean before you gelcoat over it. Covers, Boat Seat Accessories, Marine DC Power Plugs The cabin top width is 108 inches. Use 6 drops of catalyst into 10ml of resin. You will have between 5 and 10 minutes (longer in cold weather) to apply the gel to the mould. CREATE Take steps to cover and protect the rest of the boat before starting. The thickness of the matchbook cover is approximately 18 mils. 0000022629 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. 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Ski, Wakeboard If not, where can I purchase? Another option is you can use an 800 grit compound for the gelcoat at this stage. Measurements need to be exact so you can be confident the gelcoat is mixed properly before applying it to the surface. of wax; 32 oz. Go on line to gelcoat suppliers like Spectrum to confirm how many drops of mepk they recommend. 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. Riptide Terrova 80 Trolling Motor w/i-Pilot & Bluetooth, Inflatable of Gelcoat = 1.5% @ 75F. 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. Lay on the gel coat in a heavy thickness (about 10 mils) using horizontal strokes, and working from top to bottom. This is about polyester gel with MEKP hardener. The correct ratio is 11cc per 1/2 gallon. How? 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. Parts, Wash Down That is what target for. 38 in. 0000001926 00000 n Example: 20-30 minutes @ 77F for a 100g mass catalyzed with 1% MEKP. Acessories, Fishing Outriggers & 0000002941 00000 n This is a simple, easy way to see the thickness of your gelcoat. Once the coating (gelcoat) has cured, it should be block sanded using 250 wet grit paper to remove all brush marks and high spots. Looking for Feedback. Covers, Other Kits, Seadog Stainless Steel Cup Ft. @ 10 Mils) 1 Fl. This item has a shelf life of approximately 2-3 months. Outdoor Hub, LLC (d/b/a Carbon Media Group), 30800 Telegraph Rd, Suite 1921, Bingham Farms, MI 48025 USA. I always go way over the amount needed. At this point, the repair is ready to prep and spray/brush with gelcoat. Below you will find a detailed gel coat preparation guide on how to apply gelcoat to your boat, RV, or other surfaces. Each of these coats of gelcoat may involve several passes. I am going to be making some small repairs which will require my working with about a table spoon spoon of gel coat at a time, How much hardner ( Drops ) will I need to mix with a table spoon of gel coat to get a proper cure. However, if you have opacity problems two coats may be necessary with a light sanding between coats. How much hardener should I use? Refer to the catalyst chart located on the product page for the gelcoat you are using or follow the label guidelines. Gel Coat Additives: You should also determine which additives you will use with your gelcoat application. Winches, Boat Motor Supports & They are sturdy and smooth on the inside to help with complete mixing. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Note: All gel coats and resins from the Bottom Paint Store include MEKp with the applicable size of gelcoat/resin. All Gelcoats from the Bottom Paint Store comes with the MEKP catalyst but additional amounts can be purchased. Darker color gelcoats will also require more MEKp then the recommended amounts above. Guide, Boat It is also needed with all gel coats. 0000000016 00000 n 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 Axles, Boat Trailer Tie The car polishers wont work if theyre spinning too slowly, so you want to check the speed of the spin. Covers, Boat Cover Bullet Skimmer, Paint and How Many Drops Of Mekp Is 1 Oz Of Gelcoat 625 CC per ounce of gelcoat. 0000007919 00000 n Add 14 drops of liquid hardener per 1 oz. Two Versions are available both Ounces and Pounds. Using 38 inch wide cloth, Mr. Smith needs three 10 ft. pieces. 114 0 obj <> endobj Legal Disclaimer: User assumes all liability. The thickness of the matchbook cover is approximately 18 mil. Hardware, Boat Trailer Its a very small number. There are 2 thinners that are recommended by the manufacturer when spraying gelcoat: Patch Booster, and Duratec. I would forget the drops and using ounces. 1 What is Gelcoat? Once gel coat has tacked up, about 20 minutes after final layer has been applied, lay-up of the part can begin. If you brush on the gel coat, make sure to use a solvent-resistant brush. If the gelcoat does not get enough catalyst it will not kick or begin to harden. Add a New List . Deals, Trailering Gel Coat Instructions - Marine Gel Coat Repair Product | Marine Products
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