Get a proper measuring cup and syringe and use cc's or ml's for both. If it is in the 60's use 2.5 cc/ml or 50 drops for 2% MEKP. Accessories, PWC Parts & Enter the amount of Resin in quarts then adjust % of MEKP using the slider. <<2369ebe0f6fbc740aa2d803257e02535>]>> Systems, Lowrance Hook2-4 GPS Dock, Cabin and Get all the latest information on events, sales and offers. What is brushable gelcoat? **NOTE** Duct tape is recommended over masking tape because it provides better protection. All the essential pizza ingredients the crust, sauce, and cheese contain a lot of salt. 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. For example, if you are using a conventional spray gun, you should set the pressure between 30 and 50 psi. Avoid brushes that are either too stiff or too soft. Oz = fluid ounce . I used acetone and sanded off the old gelcoat. Then use a rubbing compound to remove the rest of the scratches. If the surface is painted then the paint should be removed before the gelcoat is applied. PDF GEL COAT REPAIR - Marine Coat One Find many great new & used options and get the best deals for Veterinary Formula Clinical Care Ear Therapy 4 oz. Mekp to resin chart difference | Boat Design Net May 7, 2007. Measurements need to be exact so you can be confident the gelcoat is mixed properly before applying it to the surface. Protection, Dock Storage & Motors, Fishing Downriggers & Apply gel coat to your part. For most work, a 3 or 4 wide brush will suffice. If youre not sure how thick it is, pick up a mil gauge. Properly Promoting Resin - Glasair Aircraft Owners Association The total area to be glassed is 90 square feet. Spray: Airless or Conventional: 2.0-2.5 orifice tip. When working on the deck or cabin, tarp off the adjacent areas. Adding too much of either resin or hardener will alter the chemical reaction and the mixture will not cure properly. Measure catalyst accurately. There are also disposable cup liners available that you can insert into the plastic Poly-Pro graduated cup or paper cup. Tackle Boxes, Fishing Bait & The ratio is dependant on air temperature, resin thickness, temperature of resin and mold. endstream endobj 140 0 obj <>/Size 114/Type/XRef>>stream 0000006234 00000 n Screws, Boat Handles, Pulls, Sockets, Marine Electrical 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. 0000030992 00000 n GEL COAT REPAIR INSTRUCTIONS. 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. Mix 2-3% of MEKP Hardener into the Gel Coat. 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. Using the drop method, 4 drops are used. Gel coat is a polyester resin and uses MEKP as the catalyst. Grande Mastere Dreade Snag's spellchecker 20,728 5,208 3026'36.2"N 8832'13.8"W If not, where can I purchase? We recommend 1.5% - 2.0 % by volume. therefore by my calculations you'll need 10 drops. Duratec is for a cosmetic high gloss finish. Gelcoat Touch up | Sailboat Owners Forums On: July 7, 2022 Asked by: Rusty Daugherty Advertisement Always use 2% catalyst in Gelcoats. MEKP %. Hardware, Boat Cabin Please refer the to Catalyzation chart on the Gelcoat page or on the label. Resins that have Duratec in their name require a 2% mix ratio (2 2/3 ounces per gal If thinning is needed for gun/nozzle used then Patch Booster is a additive that will thin out gelcoat and not affect colors, such as acetone or styrene. AND have fun!! WEIGHT The exact weight measurement for these ratios is slightly different from the volume ratio due to resin and hardener density. We offer pre-mixed colors of gelcoat, use this color chart as a guide for the available colors that we have. Gelcoat needs to be applied evenly. 0000018269 00000 n Start by sanding the surface with 150 grit or sandpaper. Specific gravity MEK peroxide If you add too much then you risk it burning. 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. X`:.geS>Xpiq~\\|=)Dv0'O-GFT# 7. 1 Oz is recommended for 1 Quart of Gel Coat or Resin. t,efR*o*3nsq5#eRY^_~Y-j8oC/vFTvH*S The resin's reaction starts with the addition of MEKP at 0.5% to 1.5 % (2 % for thin laminates). & Trailer Winches, Shop 0000003099 00000 n Parts, Sacrificial Anodes & 0 Check color thoroughly before applying. 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. 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. You can over-spray with PVA before gel coal reaches its gel stage (5-10 min. 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. Catalyze gel coat with #69 MEKP at 1.5%. 0000002082 00000 n When rolling on gelcoat be sure to use a 1/8 or 14 solvent-resistant nap. Note: All gel coats and resins from the Bottom Paint Store include MEKp with the applicable size of gelcoat/resin. When mixing MEKP with resin, take care as a violent mixing action can splash it out of the mixing container. The percentages in the chart: 1% thru 2%, are percentages of resin or gelcoat by weight. 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. You have a work time of approximately 15 minutes. Thank you! Gelcoat should not be applied over paint, wood, metal, or concrete. 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. Accessories, Boat Lift Canopy Ropes, Boat Biminis, RV & Trailer Ventilation, Interior & Cabin Beside above,how many drops of resin are in an ounce of mekp? Hardware, Boat Seat Under- or over-catalyzed gel coat will cure slower and look faded or chalky. Two Versions are available both Ounces and Pounds. Tags: MEKP > MEKP for gel coat > gel coat catalyst > gel coat hardener > hardener for gel coat > 132662 > 132661. Clean the repair area and all tools with acetone prior to application. 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. 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. Another option is you can use an 800 grit compound for the gelcoat at this stage. In open flat areas, layer passes. 114 28 Video, GPS Chartplotters & If adding pigment do so first and thoroughly stir in mixing well before adding catalyst, be careful not to under or over pigment. Avoid re-brushing as this could remove the waxy surface additive. Professionals, Boat Restoration, Building, and Hull Repair, Shop Shelters, Boat The Volumetric Calculators above are GREAT tools. Gelcoat is significantly heavier than Resin because of the fillers and pigments added. !0Y|McnY>s,O*T* "LbfM;W20wmw!L 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. 0000001050 00000 n Galley, Covers and Covers, Other For a better experience, please enable JavaScript in your browser before proceeding. 13 0 obj<>stream Applying Gelcoat by Brush or Roller: Choose a good pure (natural) resin-resistantbristle brush with tapered ends. If you brush on the gel coat, make sure to use a solvent resistant brush. and gelcoat needs twice as much catalyist. Lights, Boat Trailer 0000002777 00000 n Downs, Couplers, Mounts, Gel coat/Catalyst ratio for small batch | WestCoastPaddler Forums Acessories, Fish Cleaning How much does a gallon of polyester resin weight? PDF GELCOAT AND RESINS CATALYST RATIOS NCINSTGCCAT-v.2 - Multi-Tech Products There are about 20 drops in a cc/ml, so for 4oz of gelcoat you would mix 27 drops of MEKP. Financing, Iboats Use 6 drops of catalyst into 10ml of resin. rQ{.Z7. i[wk. While it might eventually cure as long as it doesn't freeze, gel coat doesn't like temperatures below 10*C. Get a proper measuring cup and syringe and use cc's or ml's for both. HOW MUCH RESIN & GLASS DO I NEED? - LBI Fiberglass Blocks, Marine of MEKP to 1 gallon of polyester resin. . Thanks for the help. Can u paint over gelcoat? We encourage the use of Acetone, because it does not leave residue and evaporates easily. Mix in the MEKP at 1-1.5% and see if it works ok on a test panel. Polyester resin is not nearly as forgiving as epoxy so you really gotta be on the money with the mix. Platforms, Slide Rafts, Paddle Parts, Rule 1500 GPH Automatic How many Oz is a slice of pizza? 1 TBS = 1/2 oz. PDF MEKP Ratio Chart Polyester Resin - Silpak Gelcoat and Topcoat - Guide, Instructions, Comparison The reason to use a non-wax is for putting on multiple coats without having to sand in between coats. 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. Catalyzing Gelcoat with MEKP: The catalyst level (MEKP) should not exceed 3.0% or fall below 1.2 for proper cure. When adding it to gelcoat, you must also add the MEKP (methyl ethyl ketone peroxide) hardener. 0000002707 00000 n Product is flammable, use caution! Mixing out of the above range will result in a weaker cured resin. A good practice is to pour the mixed gel coat from the mixing container into another container used for application. 0 How many drops of MEKP is 1 oz of gelcoat? - TimesMojo 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. Read all warnings on product labels and only use additives recommended as described per each product. 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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. Ideal for touching up scratched gelcoat. They are flexible enough to make pouring easy. It usually will not adhere to these surfaces. B. Gelcoat and MEKP ratio issue - Dedicated To The Smallest Of Skiffs
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