How much mekp to gelcoat
WebPolyester resins and gelcoats require the addition of MEKP (Methyl Ethyl Ketone Peroxide) catalyst to cure in a desired amount of time. 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. MEKP speeds up the curing reaction of the polyester resin in these ... WebApr 6, 2024 · The following rule of thumb should be used to determine how much of this third component should be added: If you add 0.2% to the component mixture, the processing time is doubled. If you add 0.5 %, it multiplies. When processing gelcoat, however, the addition of an inhibitor is not recommended, as its structure may suffer. Coloring …
How much mekp to gelcoat
Did you know?
WebCatalyst Chart for polyester resin, gel coat and vinyl ester marine resins. Methyl ethyl ketone peroxide (MEKP) is an organic peroxide used in the marine industry. 1-772-464-0808 WebJan 5, 2011 · Gelcoat requires Methyl Ethyl Ketone Peroxide or MEKP to enable the process of hardening. It’s a very small number. We suggest 1-1/4% to 1-1/2% by volume, i.e. 13-15 cc per quart. Darker colors need a …
WebAlways tint the gelcoat prior to adding MEKP, or there may not be enough working time to apply the gelcoat before it begins to cure. Gelcoats also have a maximum concentration of colorant that can be added to retain proper cured properties—this is usually 5-20%, and it varies by manufacturer. WebUse WITCO HI POINT 90 MEKP OR EQUIVALANT 1.5% of MEKP at 75ºF Approximately eight drops of MEKP to each 1/2oz. of Gelcoat = 1.5% @ 75ºF. Pot life at 75ºF is approximately ten minutes. (2% of MEKP for colder temperatures.) Approximately ten drops of MEKP to each 1/2oz. of Gelcoat = 2% 3% is the Maximum ratio.
WebCatalyze at 2% with MEKP catalyst. Thin 5 to 10% if necessary to a desired spray viscosity with solvent or a fast acrylic lacquer thinner. Application Procedures Note: Spray pressures should be 35 to 50 psi. If a pressure pot is used, provide 10 to 15 psi pot pressure. WebHere you can have a thread all to yourself, about whatever PWC build you are working on.
WebSep 10, 2013 · the colder the tempature is the more % of mekp you will need,I always use the chart of the CC wich is much easier and accurate.its the same as a babies medicine spoon. ex: 90 degrees and higher = 1% of …
WebCatalyze gel coat with #69 MEKP at 1.5%. If you are using Duratec Clear Hi-Gloss Gel Coat Additive, adjust catalyst to 1.75%. Mix thoroughly to ensure that all gel coat is properly catalyzed. Apply gel coat to your part. Spraying gel coat is recommended for more accurate and consistent coverage. tru north vinyl brantford ontarioWebJun 17, 2024 · You can spray it with polyvinyl alcohol (PVA) before gelcoat reaches its gel stage (5-10 min.), or add 1oz per quart of a wax additive sanding aid. PVA or Partall Film #10 is a release agent that helps with removing parts from a mold or can be used as a surfacing agent when using gelcoat without a wax additive (sanding aid). trunshedda ramosWebOct 9, 2024 · Have you ever spent what seems like days measuring drops of mekp or catalyst for your polyester resin? We have all done it in a pinch, but there's a quicker ... tru north yamaha prince albert skWebQuart and Gallon (includes MEKP catalyst) $39.99 - $139.99 Gelcoat Boat building, repairs and layups Polyester resin, TotalBoat Polyester Fairing Compound, previously gelcoated surfaces, TotalBoat Polyester Structural Repair Putty, TotalBoat TotalProtect, and TotalBoat 2-Part Epoxy Primer. See Technical Data Sheet for details. truno toshibaWebresin’s reaction starts with the addition of MEKP at 0.5% to 1.5 % (2 % for thin laminates). The ratio is dependant on air temperature, resin thickness, temperature of resin and mold. Fillers are added to help control peak exotherm, shrinkage, and cure rate. Unfilled resin can heat up to 300F resulting in cracking. tru northwest expresswayWebIt is also needed with all gel coats. It is typically used between 1.25% to 1.75% (1 2/3 ounce to 2 1/3 ounces per gallon). Resins that have Duratec in their name require a 2% mix ratio … tru north vinylWebGel time at 1.8% MEKP is 10-17 minutes. This time element is dependent on material temperature, room temperature, humidity, air movement, and catalyst concentration. … truno software