How much mekp to gelcoat

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August undefined, 2024

http://www.fibreglass.com/Techtips/Catalyst.htm WebMay 1, 2024 · Here’s a rough guide to the quantity required to apply to the mixture of gelcoat: You will need 0.625cc of MEKP per ounce of gelcoat if you’ve used a thinning agent like Patch-aid (Check Amazon), This equates to 12 to 18 drops per ounce of MEKP. You’ll need to add 11cc (about 165 drops) per quart of gel coat to scale up.

MEKP Ratio Chart Polyester Resin - Silpak

WebBelow 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. TIP: You can also use these to calculate the correct amount of Wax Additives or other surfacing agents like … 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. tsw2023

1993 750 sx winter build, fiberglass and gelcoat questions?

WebJun 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). 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 … WebCatalyst (MEPK) Ratios for Gelcoat and Resins Add the MEKP to the Gelcoat before thinning. ENCLOSED: • Dropper bottle that will yield the exact ratios referenced on this chart when … tsw 2023 targi

Step-by-Step Guide to Spraying Gelcoat to Your Boat

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 … WebAt 77°F, 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. 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 ... pho and grill overton ridgeWebGel 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. … pho and grill overton ridge fort worth

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How much mekp to gelcoat

Catalyst Concentration & Equivalent Measure Chart - Fibreglass

WebMost polyester resin products will either come with MEKP or will specify how much MEKP should be used. For example, TotalBoat brand polyester resin and gelcoat products … 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

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WebSpecific 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. Ft. @ 10 Mils) 1 Fl. 28.4cc Catalyst Amount by CC Catalyst Concentration by CC (Volume of Catalysts to be Used with Polyester WebOct 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 ...

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 ... WebCatalyzation Percentage: 2% MEKP, 9% Active (14-16 drops of MEKP per ounce, or 2 teaspoons per pint of gelcoat) Application Thickness: Roughly 5 mils per coat, building up …

WebUsed as the hardener (activator) in Gel Coats and Resins. 1 Oz is recommended for 1 Quart of Gel Coat or Resin. 2 Oz is recommended for 1 Gallon of Gel Coat or Resin. Note: All gel … WebAt 77F 1.8% MEKP will provide a gel time of 10-17 minutes. Keeping good notes will help you build a database of initiator levels for temperatures that you encounter frequently. Gelcoat …

WebJul 7, 2024 · How do you mix MEKP and gelcoat? 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. Why is my …

WebIt 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 … tsw 2023WebAlways 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 … tsw1 aerialWebDec 24, 2024 · My gel coat calls for a 2% mix of catalyst. I mixed 125ml with 2.5ml. It's been a few hours and has cured enough to barely take a finger print. 125 ml was way more than I needed. It took around 20 drops of catalyst to get 2.5ml. I'm thinking it would be safe to reduce those measurements in half? tsw2200http://www.uscomposites.com/pdf/MEKPDirections.pdf tsw 2100WebWhen adding it to gelcoat, you must also add the MEKP (methyl ethyl ketone peroxide) hardener. The chart below indicates how much additive to add to wax-free gelcoat or polyester resin. Avoid using too much wax as it will result in fish eye and other undesirable results. Important Note tsw 218WebUse 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. tsw221100WebQuart 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. tsw 2120