Polyester resins and gelcoats require the addition of MEKP (Methyl Ethyl Ketone Peroxide) catalyst to cure in a desired amount of time. and gelcoat needs twice as much catalyist. PDF GELCOAT REPAIR GUIDELINE NCINSTGCGD-v 2 - Multi-Tech Products Breakers, Power Packs & Jump 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. You have a work time of approximately 15 minutes. xbbb`b`` 2 The amount of catalyst may be adjusted in small, incremental amounts, either upward or downward, to account for temperature differences (more for cooler temperatures, and less for . Cups are are wax coated. Why is my resin not hardening? This coat should be mostly in the repair area and may be repeated. For example, four drops of hardener will be 1 percent of 1 ounce of resin.How much hardener do you add to polyester resin? . 0000003417 00000 n The minimum recommendation from Dow is 1% MEKP to resin by weight, with a maximum of 2.5%. 0 Conversely, you will need moreMEKp for cooler temperatures. 0000010798 00000 n All rights reserved. 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. I believe the 12:1 was written for 72 degree F days. 5. AND have fun!! Can I spray gelcoat with an airless sprayer? 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. Outboards, Shop Parts, Boat Tubing & 0000030571 00000 n I want to say poly resin needs 10 drops of MEKP per 1 oz. MEKP Hardener for Gel Coat and Resin - Bottom Paint Store How Many Drops Of Mekp Is 1 Oz Of Gelcoat 625 CC per ounce of gelcoat. Thanks in advance for your help. This item has a shelf life of approximately 2-3 months. If you have Professional Grade Exterior Gelcoat you may either brush/roll or spray. *ThisItemShips From Florida ;Click to See Estimated Transit Times. You should also feather the surrounding area of the gel coat repair with 220/330. Towers, Tow Ropes & 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. ACCOUNT, Find If the gelcoat is in good condition with no major cracking or crazing, the job is relatively straightforwardclean and prepare the surface, apply an epoxy primer, sand the primer, remove the sanding residue and then apply the topcoat. Outdoor Hub, LLC (d/b/a Carbon Media Group), 30800 Telegraph Rd, Suite 1921, Bingham Farms, MI 48025 USA. Can u paint over gelcoat? Free shipping for many products! Epoxy resins come in two seperate componants. For 50 g gel coat add 1 g catalyst (approximately 20 drops) For 100 g gel coat add 2 g catalyst (approximately 40 drops) (16 oz. See this article for more information: How to Apply Gelcoat by Brush and Roller. For spraying gelcoat our FGCI brand does not recommend thinning. Deals, Dealer Instruments, VHF Radios & PINT (16OZ) 1/4 OUNCE In temperatures below 70 degrees, the paraffin can QUART (32OZ)1/2 OUNCEsolidify in the bottle.
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