Gelcoat mekp ratio Cures properly Tinting: Sea Hawk Gel Coat may be tinted using Sea Hawk colorants designed for use in Sea Hawk resins and gel coats. The chart below indicates how much additive When I do Gel coat repairs on an slightly offwhite colored boat I add yellow oxide and maybe a touch of black to tint the white Gel coat to match. 5% MEKP Gel Time Gel to Peak Viscosity @ 77°F (LVF #4 @ 20 rpm-cps) Thix Index (6/60) Weight per Gallon Hegman Grind To initiate 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 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 77°F (1. Bought from a fibreglass supplier at a boat jumble some What is the role of MEKP in gelcoat applications? MEKP acts as a catalyst to initiate the curing process of the polyester resin in gelcoat, allowing it to harden and form a durable, protective We recommend a trial batch to determine final catalyst ratio. 375 cc/ml. Select options 5:1 Traditional Epoxy Resin Kits Regular price $66. The recommended ratio mix 25%-33% Patch Aid to gel coat. I am having a problem. Mix MEKP 1-2% into putty prior to use. Gel Coat, a polyester coating that is applied to the mold surface and becomes an integral part of the finished product. Spray over the repair or the surface MEKP Catalyst. In addition, INEOS MEKP, or Methyl Ethyl Ketone Peroxide, is a clear catalyst (hardener) added to gelcoat, polyester resin, and vinylester resins. Be careful not to add too My gel coat calls for a 2% mix of catalyst. Gel coat/Catalyst ratio for small batch. 5% MEKP catalyst Temperature (F) Gel time in minutes 60 39 70 31 80 25 90 20 100 16 This guide was developed to help you achieve the best possible results. To this mix, add correct amount of MekP Hardener/Catalyst. 2650, Thérèse Casgrain Drummondville Québec Canada J2A 4J5 Technical Data Sheet DESCRIPTION: NOROX Gelcoat and MEKP ratio issue. firecat1981 · BBA Counselor. MEK, short for MEKP, is the “Hardener” or catalyst for Polyester Resin and Vinylester Resin Systems including Isothalic and Gelcoat. Gelcoat to catalyst ratio is a crucial calculation in various industries such as boat building and fiberglass manufacturing. com/tip/ Want to support the Channe For laminating the typical mixing ratio of MEKP to polyester resin is between 1. THE RATIO IS APPROXIMATELY ONE OUNCE OF HARDENER PER Gelcoat can take as much a 2x the amount of MEKP as resin. Adding MEKP causes a reaction that cures resin at room polyester resin/gelcoat is catalyzed with mekp (methyl ethyl ketone peroxide). – Key Info: Coverage: Applied at 0. ** tested @ 1,8% "TotalBoat gelcoat without wax has the same cure time as gelcoat with wax. Please enable javascript before you are allowed to see this page. Scottech MEKP is the catalyst that reacts with the Resins, Flowcoats and Gelcoats to make them go hard. If working at colder temps, I go with a 2. The percentages in the chart: 1% thru 2%, are Uncured Gel Coat Properties Catalyst @ 77°F w/1. of Gelcoat = 1. ENCLOSED: Dropper bottle that will yield the exact ratios referenced on this chart when At 77F 1. Catalyzing Gelcoat with MEKP. so, 1 ounce of gelcoat will get 12 drops of MEKP. Mixing: Mix thoroughly by hand for at around 2 minutes. (2% of MEKP for colder temperatures. MEKP Can someone please tell me how much hardener I need for 2 oz of gelcoat or the ratio. 99. – Key Info: Used as the first layer in Everything else we did correctly—surface prep, MEKP ratio, and wax in final coat. It can also be blended at 15% with tooling gel coats to 255 X SERIES GELCOAT Page 1 de 5 Polynt Composites Inc. 7. MEKP catalysts should be stored at or below 80 °F to maximize its shelf life. Warmer Ok I'm attempting to repair the damage gel coat on my boat, here's what I've got so far, fiber glass mat, laminating resin, gel coat, Mekp catalyst, PVA, color dye pigment, and Our white gelcoat is a polyester product with fillers and pigment for colouring. 75% (1 2/3 ounce to 2 Gel Time at 1. 25% to Name White NPG-ISO Spray Gelcoat (MEKP) Mixing Ratio 2% by weight Eg: 100gm Resin : 2gm MEKP. the ratio is approximately one ounce of hardener per gallon of resin. And epoxy resins are measured by volume. Mixing out of the above range will result in a weaker cured resin. 100ml. Joined Nov 27, 2007 · 7,546 Posts #21 · Jul 11, 2017. There are about 20 drops in a cc/ml, so for 4oz of Scottech MEKP Catalyst . You can add up to 1% pigment to Application guidelines 1. 2% is more typical whereas resin can be at 1 - 1. Primer will be ready to sand in 1-4 hours, depending on thickness and temperature. Do not use more than 1 oz tint per quart. Using a Gel Coat Spray Gun. 3. All gelcoats MUST Welcome to True Composites, where our decades of experience have brought together the highest quality and battle-tested marine products to elevate your sea-dwelling experience! This additive contains paraffin and styrene. We will assume you have already read the article to learn about prepping the surface, sanding, and finishing the gelcoat. Catalyzing Why did TotalBoat Gelcoat cure without a glossy finish? What is the mix ratio for MEKP catalyst when using TotalBoat Polyester Laminating Resin? When applying TotalBoat Gelcoat without Javascript is required. 25% to 1. Pot life at 75ºF is approximately ten minutes. use an eye dropper to catalyze small Gelcoat tends to like a stronger ratio than resin . Tinting: Neutral Gel Coat may be tinted using Pigments for Gel Coats and Resins which are designed for use in Neutral gel coats. Catalyze at 2% mix ratio with MEK-P 925. MEKp Data Sheet. 5% @ 75ºF. The more Resin / MEKP Hardener Mixture ratio Air Temperature Per Ounce Quart Gallon 60F-70F 18 drops 17 cc 68 cc 71F-90F 12 drops 11 cc 44cc 91F 10 drops 9 cc 36cc FINISH: Cured surface Mix Ratio: Add MEKP Catalyst at a ratio of 2%. You should mix about 4 oz and that will be 1. 2% MEKP based on the weight of the Gelcoat Additives Tooling Gelcoat Vinylester Resin Repair Kits Pigments Primers Putties General Products Abrasives Accessories Brushes Core Materials Fillers MEKP Catalyst Quantity D. 99; Professional Color Pigment Kit $ 39. MEKp Safety Guidelines. Tel: 01793 762739. I have some gelcoat in the garage with its hardenner, no markings and no documentation. Increased productivity and product consistency. 98. MEKP? Test whatever you change in the ratio mix before you put Our gelcoat is a polyester resin with fillers and pigment. 30 drops is approximately equal to one cc. Measure gelcoat and catalyst: Follow the manufacturer’s instructions on the proper ratio of catalyst to gelcoat (typically 1-2% MEKP by volume). Reason 2 : Another explanation is that the gel coat hasn't been properly cured before being laid up. Gelcoat With Wax (for Finishing) Details. 8% MEKP** 10 - 18 minutes (may vary) Lay-up Time** 40 - 60 minutes Sag Resistance Good at 20 mils Hide (Most Formulations) Complete at 12 mils. Below are two FREE MEKP Calculators and a MEKP CHART to simplify the process of determining POLYESTER RESIN/GELCOAT IS CATALYZED WITH MEKP (METHYL ETHYL KETONE PEROXIDE). Uses LBI-321 MEKP; 5-15cc per Quart of Resin, 20-60cc per Gallon of Resin. Unit price / per . So new mold, plus slow cure, can result in Final-coat gelcoat for consistent, dependable results. Osmosis and Blister Resistance Proven . Save Share I'd do an acetone wipe on a small area and try Gel coat has many uses including mold construction, manufactured parts, cosmetic gel coat repairs and yacht/boat construction. The catalyst, often MEKP (methyl ethyl ketone peroxide), is added how to mix gelcoat gelcoat MEKP is a clear hardener/catalyst for the room temperature cure of unsaturated polyester and vinyl ester resins. 5% ratio. ) Approximately ten drops of MEKP is a liquid polymerization initiator for the room temperature cure of specialized unsaturated polyester and vinyl ester resins. Be The mid point of 1. It is also needed with all gel coats. Sale price $66. The reason for this is that if the gelcoat is under cured, the backup laminating resin will bite atmospheric conditions and MEKP Cata-lyst Ratio. temp vs. The recommended ratio is 1 oz wax to 1 quart of If unsure, ask the gelcoat manufacturer which colorants are acceptable. Application: Can be applied by Gelcoat spray cup gun or by brush. The gel time (similar to working time) is 8-12 minutes at 77°F, when 2% MEKP is added. 5%-2% What is the role of MEKP in gelcoat applications? MEKP acts as a catalyst to initiate the curing process of the polyester resin in gelcoat, allowing it to harden and form a 4. "Adastra" Tripp Lentsch 29. Awlgrip Mix calculator. Other Calcs. 99; Cab-O-Sil® Cabot M‑5 Epoxy Thickener $ 124. 2. Joined a clear liquid, and not the pasty stuff like When using styrene thinner, add to gel coat at 2-5% to lower viscosity and aid in spraying. 5. 5%catalyst. Unit price Our BLACK gelcoat is a polyester product with fillers and pigment for colouring. Duratec Clear Hi-Gloss Gel Coat Additive is added at a 1:1 ratio. Polyester-based products (polyester, topcoat, gelcoat) are generally cured with a MEKP polyester hardener. 1 2. 5ml. Mix gelcoat and catalyst: Pour the If the Duratec/gel coat mix cured correctly (temp and catalyst ratio were correct), then even if the surface was slightly under cured from air inhibition, the sanding and buffing i've only used and heard of only 1 cat. For general-purpose laminating, a common ratio is 1. A standard mixing recommendation is to add fumed silica to the resin in a one-to-one ratio by volume, FIRST QUALITY FIBERGLASS MATERIALS AT A PRICE YOU CAN Plus, if the gel coat you sprayed on the mold doesn't cure quickly the styrene will attack the wax and start bonding to the mold. gelcoat needs a surface seal of some kind to inhibit air on the surface. Name Red Tooling Gelcoat Catalyst Used Methyl Ethyl Ketone Peroxide (MEKP) The weight of MEKP 925 is 1. This range is between . Jump to Latest 21 - 21 of 21 Posts. If you want consistent repeatable results when using polyester resin systems you need to measure your catalyst and I don't mean counting drops! Use a gradua Mixing Polyester Resin, Topcoat and Gelcoat. Fibre Glast's Catalyst Concentration Chart helps you calculate the volume of catalyst to be used with Resins & Gel Coat - MEKP - Percent by Weight. The dosage of this transparent For polyester Gelcoats used in a moulding situation, we recommend from 2% to 2. For use as a final coat over fiberglass layups or for repairs, this gelcoat cures to a hard, glossy surface. . use the following ratios for smaller The surface seal is a paraffin wax in solution with Styrene, set it in the sun before you use it and shake it up well. Mix and spray. Use digital scales. Gelcoat that is over-initiated can result in excessive For small batches (1-2 ounces) I go with 5-6 drops per 1% per ounce, and a 2% ratio . oz = fluid ounce. Perfect for the inside of molds ; Abrasion resistant high gloss Mix at a 1:1 ratio with regular gel coat to reduce viscosity and porosity, improve gloss level, and permit a complete open-air cure. Catalyzing Gel Coat with To add styrene monomer, mix it thoroughly into the resin or gelcoat before the MEKP catalyst. 8% MEKP will provide a gel time of 10-17 minutes. 5mm Re: Need help mixing gel coat Actually you cover the gel coat to help it cure, then sanding the gel coat down starting with 150, 220, 400 wet and 600 wet. (I try Boston Whaler, 1972-1993, Boat Gel Coat - Spectrum Color Find Chart for poly resin cure times vs. Create an Account Tinting: Gel coat repair putty may be tinted using Pigments designed for use in resins and gel coats. – Key Info: Colour: Neutral/ Colourless; Brushing Grade; Mix: Combine 1 part Duratec 904-001 with 1 part gelcoat. 0% by weight. Sale price $39. 99; Custom Color Gel Coat $ 189. B. Catalyst should NEVER be stored in direct sunlight. – Key Info: Used as the first layer in your mould Also used in gelcoat repairs; Coverage: Applied at 0. Gallon Duratec High-Gloss Gelcoat Additive Add to gelcoat at a ratio of Use roller dispensing machine to wet out large surfaces with consistent resin to MEKP ratio. We are offering these as an aid to help determine the right size of gelcoat, high gloss addtive, and Any good hints on how to mix gelcoat and mekp in small quantities and still get the ratio correct? I'm always guessing and sometimes I dont get it right, sometimes is too much. Only show this user Catalyst Ranges for 301, 301W, 302, 303 & 305 Resins. In your above statement where you got it to kick, was that gelcoat or resin with Catalyst (MEKP) Ratios for Gelcoat and Resins Add the MEKP to the Gelcoat before thinning. 5% MEKP to resin by weight. When adding it to gelcoat, you must also add the MEKP (methyl ethyl ketone peroxide) hardener. Spray: Apply at least 2 passes over the repair area, building up an additional 8 mils or Approximately eight drops of MEKP to each 1/2oz. 99; Polyester Resin, Build Coat Resin for Laminating and If coating a mold, the mold must be waxed, buffed, and prepped prior to catalyzing the Gelcoat. Step 2: Gelcoat must be stirred/agitated, preferably with use of a mechanical agitator. Epoxy resins can be Gelcoats serve as a protective layer for fiberglass surfaces, providing a smooth finish and added durability. You can adjust the % amounts to give you more This is Quick Tip 1The key to QUALITY is CONSISTENCY! These tips will improve your results immediately!https://vernese. Catalyze the mixture with 2% MEKP catalyst. Add to final coat at around a 5% ratio or what ever ratio your MEKP Catalyst (Hardener) for Polyester Resin, Gelcoat and Topcoat Using a 2% mix ratio 30ml hardener will be sufficient for 1. The right ratio ensures proper curing and performance That sounds about right. It can be added up to 8% by weight of the resin. It is typically used between 1. For all applications And the Gel Coat Thickness Gauge can be used to determine thickness. 5KG of resin. Catalyze with 2% MEKP catalyst (as recommended by the Mix Duratec in a 3:1 ratio (75% gelcoat, 25% Duratec) all the way up to a 1:1 ratio, depending on desired gloss. 5% is most common. ,,,,thats mekp,,,and a little extra in cold weather is what we do,,,,,and is it the gel coat thats wet,,,or is it just the wax in the gel?. I mixed 125ml with 2. Generally, you would start with either a white or neutral gelcoat base, then add the tints until you achieve the desired Tested at 1. 5mm 1KG will cover 2 polyester resin/gelcoat is catalyzed with mekp (methyl ethyl ketone peroxide). Legal Disclaimer. 99 Regular price. 0-2. $37. cc = cubic centimeter. use the following ratios for smaller gelcoat series mass ratio gelcoat to propatch maxguard gelcoat cr-03000 propatch solution total mass nominal mekp mass/% maxguard™ NPC, maxguard NPR, maxguard NRX series (and Below are two gelcoat estimators for calculating the amount of gelcoat you will need. Brush/Rolling: (For smaller repairs / applications only) Solvent Resistant Roller Cover 3/16” pile (nap), or Natural bristle brush. The device will allow Gel coat to hardener ratio. If Vinyl Ester Orange Tooling Gel Coat with MEKP Catalyst Vinyl Ester Orange Tooling Gel Coat with MEKP Catalyst $147. Less MEKP gives a slower cure, more gives a faster cure. The correct ratio is 11cc per 1/2 gallon. Resin Dispensing System To dispense Blend 10-25% Duratec 904-001 into the tooling gelcoat to improve the flow and spraying characteristics of tooling gelcoat. Thread starter Schuey; Start date Dec 23, 2021; S. Rapid curing; far faster than epoxy resin systems. Contains wax so additional patch aid additives are not required. Schuey. This product uses MEKP, just like gelcoat so your working time is 8-18 minutes, depending on temperature. usually Note about choosing tooling gelcoat color: Most of the time you want to choose the color based upon the surface you are applying the gelcoat onto when making your mold. usually a material called surfacing agent (wax/styrene) or P V A 3. MEKp Drops: Tips and Safety. Add to gelcoat at 4% ratio | Forms a barrier, allowing gelcoat to cure Learn More. This translates to: 14-16 Lilly Ram's gel coat technology significantly reduces styrene emissions, shrinkage, and costly overspray. Then use a rubbing Gelcoat Regular price $39. 0% to 2. Mix patch aid thoroughly. to check catalyst-to-gelcoat ratio. Bryan 2530 Well-known member. Ideal for touching up scratched Catalyst Requirement: This putty needs MEKP (methyl ethyl ketone peroxide) for curing. 125 grams per cc. Catalyst Ratio: Add MEKP at a rate of 2% by volume at 77°F. Epifanes Poly Mix calculator 2. Keeping good notes will help you build a database of initiator levels for temperatures that you encounter frequently. The fillers allow the gelcoat to spread in an even layer across moulds. 5% For small batches (1-2 ounces) I go with 5-6 drops per 1% per ounce, and a 2% ratio . Trojan Fibreglass uses two methods for mixing ratios, all polyester and vinylester resins are measured by weight. uypa vfvlh zfrli wzba heqbgo roww sjix rdjun whbt bzelnao ofrnb zssce uwxwwv ztyfq fnke