how many drops of mekp is 1 oz of gelcoat

endstream endobj 140 0 obj <>/Size 114/Type/XRef>>stream 0 30 drops is approximately equal to one cc. AND have fun!! of Gelcoat w/o Wax = 1/4 oz. Ideal range is 1.8% @ 77F. . It is also needed with all gel coats. Deals, Camping & RV It is only when mixed with an epoxy hardener that they can cure properly. Boats, Propeller Parts & 1 What is Gelcoat? Let the polyester filler cure until material is firm and tack free, about 10 minutes. JavaScript is disabled. This coat should be mostly in the repair area and may be repeated. of Gelcoat w/o Wax = 2-4 oz . Varnish, Marine Adhesives, Parts, Wash Down For a better experience, please enable JavaScript in your browser before proceeding. 2. Apply gel coat to your part. The specific gravity of MEKP is 1.045. High Back Reclining Helm Seat, Cabin and Accessories, Boat Lift Canopy 28.4cc Catalyst Amount by CC Catalyst Concentration by CC (Volume of Catalysts to be Used with Polyester 3 This should be Noted when Buying Gelcoat and Topcoat; 4 Buying Gelcoat / Gelcoat Repair Kit; 5 Buying Topcoat; 6 Instructions for Gelcoat Repair. Sockets, Marine Electrical If the surface is already coated with gelcoat, or if the surface is a fiberglass or polyester resin, then the application of gelcoat is a snap. Gelcoat without wax is used when you have a different method selected to cure it. Biminis, Paint and Below 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. Deals, Paint & Maintenance Otherwise, there will be only one coat. That's really hard to weigh! Professionals, Boat Restoration, Building, and Hull Repair, Shop !0Y|McnY>s,O*T* "LbfM;W20wmw!L Mix the polyester resin with a catalyst named methyl ethyl ketone peroxide (MEKP) to begin curing. 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. Also, they are used for the first sanding of gouges, dock dings, scratches, and blisters. Can you apply second coat of gelcoat? How many drops of Polyener resin are in an ounce of hardener? Acessories, Fish Cleaning If the gelcoat does not get enough catalyst it will not kick or begin to harden. Accessories, Pontoon Bimini Gelcoat will not darken or change colors when it dries. 0000015094 00000 n Parts, Rule 1500 GPH Automatic The cabin top is 9 feet wide by 10 feet long (910=90 square feet). If youre not sure how thick it is, pick up a mil gauge. (16 oz. 13-15 cc per quart. Beside this,how many drops of hardener do i need for gelcoat? Start typing to see products you are looking for. Hardware, Boat Cabin RESIN, Quarts. 0000002941 00000 n Add the MEKP . 0000002082 00000 n Measurements need to be exact so you can be confident the gelcoat is mixed properly before applying it to the surface. 06/2024 at the best online prices at eBay! of Gelcoat w/o Wax = -1 oz. Spraying gel coat is recommended for more accurate and consistent coverage. It is typically used between 1.25% to 1.75% (1 2/3 ounce to 2 1/3 ounces per gallon). of wax; 32 oz. Gelcoat Repair Part 2: Mixing and Application. For each teaspoon (1/6 oz) of blended gelcoat paste, add four drops of hardener. Seats, Fishing Boat How do you know how many ml's per drops you are getting? and gelcoat needs twice as much catalyist. Looking for Feedback. 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. Man I hope its working. Depending on the orifice size of the bottle your using 10 drops could equal .5cc, 1cc, 1.5cc.. using a $0.89 syringe is cheap insurance to me. Using the drop method, 4 drops are used. This is eye needs cataract surgery; thought it would help - actually . Creating is very rewarding! You can over-spray with PVA before gel coal reaches its gel stage (5-10 min. Covers, Boat Wiring & Take steps to cover and protect the rest of the boat before starting. It is mixed with a gel coat of one .. Gel Coat Repair Kit | Fiberglass Repair Kit, 3M Marine Adhesive/Sealant Fast Cure 4000UV, 3m Spray Adhesives, Cleaners, and Applicator Guns, MEKP > MEKP for gel coat > gel coat catalyst > gel coat hardener > hardener for gel coat > 132662 > 132661. MEKP Hardener 1 oz. Enjoy!!! Specific gravity MEK peroxide Hardware, Boat Trailer This is about 1% which is tuned for 80 degrees or higher. Ideal for touching up scratched gelcoat. Meters, Marine Electrical Panels Oars, Wakeboard, Wakesurf & Then use a rubbing compound to remove the rest of the scratches. Again I'm not a fan of "drops" because its super subjective. Large quantities will exotherm and kick off very fast, leaving you with a smoldering mess in your cup. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Catalyzing Gelcoat with MEKP: The catalyst level (MEKP) should not exceed 3.0% or fall below 1.2 for proper cure. 114 28 How to Apply Gelcoat by Brush and Roller. Then scale up!! You should catalyze your material so that it cures as quickly as possible within your working time. Easy! Use the recommended thinners/additives only which are listed on the gelcoats product page. Approximately eight drops of MEKP to each 1/2oz. For example, four drops of hardener will be 1 percent of 1 ounce of resin.How much hardener do you add to polyester resin? Depending on the amount of resin needed, pour the appropriate ratios of polyester resin and MEKP into a heavy-duty plastic tub or bucket. .75 oz X 38 Wide Fiberglass Cloth (Style #106), .75 oz X 38 Wide Fiberglass Cloth (Style #106) per yard, 1.5 oz x 50 Wide Fiberglass Cloth (Style #108), Customer Project Spotlight: 1956 Dundee Boat Refinish, Good, Better, BestResins For Your Project, Singing in the Rain- ProGlas 1000 Epoxy Resin Art Tutorial. For the Water Clear Casting Polyester Resin, this drops to 1.5% or 15ml for every 1kg. Adding too much of either resin or hardener will alter the chemical reaction and the mixture will not cure properly. We all have a phone with a calculator so that makes this process even easier. If adding pigment do so first and thoroughly stir in mixing well before adding catalyst, be careful not to under or over pigment. 0000003380 00000 n The correct ratio will appear below. then sanding the gel coat down starting with 150, 220, 400 wet and 600 wet. It usually will not adhere to these surfaces. Two Versions are available both Ounces and Pounds. Deals, Pumps & Plumbing Once your repair is covered, feather a flow or sanding coat on the masked-off area making layered passes to avoid a buildup of gel coat in any one area. It is also needed with all gel coats. 0000003229 00000 n Remember to always lap wet. As nouns the difference between catalyst and hardener is that catalyst is (chemistry) a substance that increases the rate of a chemical reaction without being consumed in the process while hardener is one who, or that which, hardens. Product is flammable, use caution! Otherwise, one coat will do. If youre not sure how thick it is, pick up a mil gauge. Come join the discussion about engines, modifications, classifieds, troubleshooting, fishing, boating, poles, maintenance, and more! I tried 12 drops of MEKP Catalyst per oz my first try in about 80 degrees F. Then I found a MEKP Catalyst pdf with great instructions. Accessories, Marine Electrical 0000017788 00000 n Furniture, Boat Seat Pedestals & Ventilation, Interior & Cabin 1 Oz is recommended for 1 Quart of Gel Coat or Resin. Use 6 drops of catalyst into 10ml of resin. Quantity. Be sure not to use foam rollers because they tend to leave the bubbles. The mid point of 1.5% is most common. Maintenance, Boat Cleaners & Now, Shop This morning not even tacky and hard enough to sand already! We recommend 1.5% 2.0 % by volume. Boat Gel Coat - Spectrum Color, Pumps and Generally, one heavy coat is sufficient. Detectors, Binoculars & Add air dry wax (the wax will rise to the surface, creating that barrier), or if it's a small enough area tape a polyethylene film over it (zip lock bag.) The standard ratio is 1 oz. Usually 320 or 400 grit wet paper is sufficient for the initial sanding. 75 degrees F. Below are some charts to help you figure out how much MEKP will be needed for the project. Refer to the catalyst chart located on the product page for the gelcoat you are using or follow the label guidelines. Mix the resin VOLUME To achieve the correct 2:1 mix ratio by volume, simply measure out 2-parts resin to 1 part hardener before mixing the components. 0000003417 00000 n 38 in. Mixing thoroughly is just as important. It's important that the fiberglass is clean before you gelcoat over it. 0000003099 00000 n The minimum recommendation from Dow is 1% MEKP to resin by weight, with a maximum of 2.5%. Dollies, SportsStuff Great Big In the meantime, you might find this article helpful: Gel Coat Application Guide - How to apply gelcoat correctly (fiberglasssupply.com) Last edited: Jun 1, 2022 50 Graduated Paper Cups Perfect for mixing small batches resin, paint, stain, epoxy from 1 to 3 ounces. Adding more of less of the catalyst agent will speed up or slow down the curing time for the resin. 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. Outboards, Shop Marine Battery Chargers, Shop This is a simple, easy way to see the thickness of your gelcoat. Telescopes, Covers and Resins MEKP - Number of cc per Volume), Catalyst Concentration by & Dock, Anchor Chains & 8 drops 16 drops 16 drops Add the MEKP to the Gelcoat before thinning. 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. If you dont see the blue dye again, you know youve sanded it all properly. 0-2.2% MEKP based on the weight of the resin). 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. DO NOT WORK IN DIRECT SUNLIGHT -Choose a shady location or an overcast day. 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 . 0000001926 00000 n Click Here. tube of liquid hardener (MEK Peroxide) is sufficient to harden the entire contents of a gallon container. Fishing Lures, Fishing Rod Holders & 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 77F (1. <<2369ebe0f6fbc740aa2d803257e02535>]>> You could also go to a local pharmacy such as CVS and ask for a few. You should also feather the surrounding area of the gel coat repair with 220/330. 1 ea contains 1 ea . I genuinely do care about ALL my customers and hope everyone of you achieve the absolute best results possible. The MEKP Calculators by WEIGHT are Dead-On when it comes to precision and Superior to any Catalyst Chart. More features, tools? This is the amount of Catalyst you will add in Ounces. At this point, the repair is ready to prep and spray/brush with gelcoat. 0000023586 00000 n Gelcoat should not be applied over paint, wood, metal, or concrete. Mix in the MEKP at 1-1.5% and see if it works ok on a test panel. Biminis, View Usually 12 drops per ounce of gelcoat or 1.8% at 77F. To catalyze TotalBoat Polyester Laminating Resin, at 77F, add 7-8 drops of MEKP catalyst per one fluid ounce of resin. Clean repair area and all tools with acetone prior to application. 11 0 obj<> endobj For example, if you are using a conventional spray gun, you should set the pressure between 30 and 50 psi. How much hardener should I use? for Sale, Buy A Free shipping for many products! 0000002243 00000 n 30 seconds, ensuring to scrape bottom and edges of the mixing container. trailer The ratio is dependant on air temperature, resin thickness, temperature of resin and mold. 0000023127 00000 n This item is flammable and can only be shipped by ground. Free shipping for many products! AN Epoxy activators are all proprietary, depending on the product. All Gel Coats from Bottom Paint Store come with MEKP with each gelcoat purchase. Methyl Ethyl Ketone Peroxide (MEKP) MEKP is a clear hardener/catalyst for the room temperature cure of unsaturated polyester and vinyl ester resins. Resin starts to cure but does not go all the way completely. Measures Chart (Example - 1 Gallon = 231 Cubic Inches and Pumps, Marine Pump Replacement Pot life at 75F is approximately ten minutes. The reason to use a non-wax is for putting on multiple coats without having to sand in between coats. Have an abort strategy!! Be even and consistent in your gun movement, overlapping each previous pass slightly and not hesitating on the ends. Is pepperoni high in sodium? When sanding areas that have been filled with putty we suggest using 40 or 80 grit sandpaper, depending on how large the repair is. A forum community dedicated to Small Skiff owners and enthusiasts. cc = cubic centimeter. Begin wet sanding with the finest grit that will remove orange peel in the re-sprayed area. How much does a gallon of polyester resin weight? Enter the amount of Resin in quarts then adjust % of MEKP using the slider. . The higher the temperature, the less hardener you need. You have a work time of approximately 15 minutes. Bullet Skimmer, Paint and It will take a minimum of two coats of gelcoat if you are changing colors. Cable, Marine Batteries & startxref Tubes, Shop The two componants when mixed will react with each other to crosslink and polymerise into a solid plastic. . 0000001832 00000 n Motors, Fishing Downriggers & Racks, Fish Finders, Sounders We recommend 1.5% - 2.0 % by volume. Accessories, Boat Note: All gel coats and resins from the Bottom Paint Store include MEKp with the applicable size of gelcoat/resin. 4|#8sReSSq"la;&2%9(HC}cL1eM4%1wEo 0000004021 00000 n Example: 20-30 minutes @ 77F for a 100g mass catalyzed with 1% MEKP. trailer 20ml for every 1kg of Resin in working conditions at room temperature. Mekp is too hard to measure by drops to me, so I use a syringe and do it by ml instead. The ratio is on the hardener container. Resins that have Duratec in their name require a 2% mix ratio (2 2/3 ounces per gal %%EOF Add 14 drops of liquid hardener per 1 oz. Add a New List . cloth = 2.84 or 3 pieces). It has to be mixed at a 1:1 ratio with gelcoat. Please refer the to Catalyzation chart on the Gelcoat page or on the label. The heavier fast-cut grits (40/80/100) are used to feather sand and ground out a routed area prior to filling. Since manufacturer specs change often due to formula updates be sure to follow the most recent recommendations from the technical data sheets. MEKP %. Kits, Seadog Stainless Steel Cup 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. 13 0 obj<>stream Holder, Anchor & Dock 0000002105 00000 n List Name . Gelcoat will not fully cure without adding a surfacing agent or wax additive sanding aid. 27. therefore by my calculations you'll need 10 drops. What is brushable gelcoat? Conversely, you will need moreMEKp for cooler temperatures. We suggest 1-1/4% to 1-1/2% by volume, i.e. MEKP is hazardous. Ropes, Boat A good practice is to pour the mixed gel coat from the mixing container into another container used for application. Gel Coat requires the addition of fiberglass resin hardener or catalyst (MEKP) at 1.8% by volume (77F) (approximately 12 drops per ounce), Measure catalyst accurately. of wax; and 1 gal. Zincs, Generator At 77F, 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. Parts, Sacrificial Anodes & MEKP Hardener gallon (#69-D) and case (#69-E) units are considered hazardous (flammable) and will be subject to a hazard charge if shipped by standard ground. Eric Boudreau 1 year ago Updated 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 77F (1 .0-2.2% MEKP based on the weight of the resin). Instruments, VHF Radios & The Volumetric Calculators above are GREAT tools. All rights reserved. Find many great new & used options and get the best deals for Veterinary Formula Clinical Care Ear Therapy 4 oz. . Distribution, ProMariner ProNautic Dust and dirt particles are your enemy here, so make sure you clean the surface thoroughly.Determine whether you need one or two gelcoat coats. When rolling on gelcoat be sure to use a 1/8 or 14 solvent-resistant nap. Plumbing, Anchor Forums, Find Do the math, and that yields 0.96cc per 100g of resin for 1% and 2.4cc for 2.5%. Add 2% MEKP catalyst, by volume: 14-16 drops per ounce, or 2 teaspoons per pint. Cushions, Lexington Thoroughly mix paste, pigments, and hardener. Apply gel coat to mold surface. 625 CC per ounce of gelcoat. Guide, Boat Lay on the gel coat in a heavy thickness (about 10 mils) using horizontal strokes, and working from top to bottom. Catalyzing Gelcoat with MEKP: All gelcoat MUST be catalyzed with MEKP to cure. Mix for a minimum of three minutes and make sure to scrape down the sides and the bottom of your container to get everything in. It needs to be handled with care. The color wet is the color when dry. Rafts, Paddle Good news! It is typically used between 1.25% to 1.75% (1 2/3 ounce to 2 1/3 ounces per gallon). Gelcoat requires Methyl Ethyl Ketone Peroxide or MEKP to enable the process of hardening. Required fields are marked *, Please note, comments must be approved before they are published. 0000023817 00000 n Charts & Holders, Cabin Accessories & Be sure not to use foam rollers because they tend to leave the bubbles. B. Below are some things to consider when trying to figure out how many drops of mekp is 1 oz of gelcoat. For really small repairs I would mix 1 ounce of gelcoat with 12 drops of catalyst or in your case 16 drops which is a really small amount. I do suggest you start small. Gelcoat Catalyst Requirements. ENCLOSED: Dropper bottle that will yield the exact ratios referenced on this chart when mixing small amounts. **NOTE** Duct tape is recommended over masking tape because it provides better protection. Note: All gel coats and resins from the Bottom Paint Store include MEKp with the applicable size of gelcoat/resin. Ounces (Volume Gelcoat should not be used when temperature conditions are below 60F, as curing may be adversely affected. 0000019960 00000 n Finish/topcoat with. and gelcoat needs twice as much catalyist. You will need to thin the gelcoat for it to run through the spray gun. Check color thoroughly before applying. They are flexible enough to make pouring easy. List Name. Turning brown or even worse your mixing jar catching on fire. Avoid re-brushing as this could remove the waxy surface additive. Clean the fiberglass surface with ajax or comet and water. & Okay, so how is this MEKP Catalyst Chart or these handy Calculators useful? Flow -coat on the other hand will have wax added, I suspect this might be what you have, (Gel-coat = no wax. 2Oz is recommended for 1Gallon of Gel Coat or Resin. 0000001463 00000 n Epoxy resins come in two seperate componants. Check the temperature of the Gelcoat stock and insure that it is not below 70F. %PDF-1.4 % 0000022629 00000 n It may not display this or other websites correctly. (1 pint) 1/4 ounce: 32 oz. Gel Coat Instructions - Marine Gel Coat Repair Product | Marine Products We suggest a thickness of 18-20 mils to properly cure. 7-Eleven Large Pepperoni Pizza. Each of these coats of gelcoat may involve several passes. Add 2% catalyst to your chosen quantity of gel coat, stir very thoroughly and note the time. CREATE The drops fogged vision in right eye versus using simple artificial tears. GPS Chartplotter and Fish Finder Combo, Find Its best to do a 4-foot by 4-foot area at a time. This time element is dependent on material temperature, room temperature, humidity, air movement, and catalyst concentration. Used as the hardener (activator) in Gel Coats and Resins. Pumps, Livewell Aerator Pumps Rails, Marine Tools & Tool Deals, Trailering Gelcoat needs to be applied evenly. FGCI s Brushable Gelcoat is a unique proprietary product with excellent leveling characteristics, allowing application by paintbrush or roller without leaving brush marks or streaking. Tags: MEKP > MEKP for gel coat > gel coat catalyst > gel coat hardener > hardener for gel coat > 132662 > 132661. 0000013646 00000 n Going up to 400, then 600, and eventually 800 grit sandpaper. Transom You may purchase this item if you desire additional . 0000003502 00000 n Gel coat is typically the first layer of a part to be applied. Hardware, Boat Seats by I want to say poly resin needs 10 drops of MEKP per 1 oz. You can use either a heavy-duty, reusable plastic cup or disposable paper cup for spraying gelcoat. will cover 160 Sq. At 77F 1.8% MEKP will provide a gel time of 10-17 minutes. Gain access to PREMIUM Calculators by WEIGHT when you subscribe today. Waxes, Boat Cleaning Sandable time: Depends on temperature, amount of catalyst, and mass of fairing compound. Mike, Your email address will not be published. Put the bottle in the sun or in front ofa lamp to reliquify. & Live Bait 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. We have all done it in a pinch, but there's a quicker way. However, if you have opacity problems two coats may be necessary with a light sanding between coats. Deals, Electronics Covers, Boat Seat Adding more of less of the catalyst agent will speed up or slow down the curing time for the resin. Blocks, Marine Mix 2-3% of MEKP Hardener into the Gel Coat. The thickness of the matchbook cover is approximately 18 mils. Protection, Ladders, Steps, & 0000001255 00000 n One gallon will cure approximately 100 gallons of resin and 50 gallons of gelcoat. On: July 7, 2022 Asked by: Rusty Daugherty Advertisement Always use 2% catalyst in Gelcoats. 1 Oz is recommended for 1 Quart of Gel Coat or Resin. Read all warnings on product labels and only use additives recommended as described per each product. Login, Boats If you're doing a larger project and counting drops of catalyst is not an option, base the amount of MEKP required on the weight, not the volume, of the resin. Hardware, Marine Does gelcoat need wax? When MEKP is mixed with polyester or vinylester resin, the resulting chemical reaction causes heat to build up and cure or harden the resin. Find many great new & used options and get the best deals for 3 PK REFRESH LIQUIGEL Lubricant Eye Gel 0.50 oz NIB EXP. Galley, Covers and Well, first and foremost, using a Catalyst Chart or these Catalyst Calculators will increase the quality of your work. Boat, Sell A Ratio The ratio range for catalyst to resin is 1 to 2 percent hardener to the total volume of resin to be used. Sanding between coats is not necessary unless a surfacing agent has been added to your gel coat. Manager at store told me to run 10-12 drops per oz of gelcoat I mix up. 2 Oz is recommended for 1 Gallon of Gel Coat or Resin.
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