Accessories, Boat Lift Canopy Once the fill area is level or contoured to the desired shape, sand with 100 grit paper to remove the course scratches from 40 or 80 grit. The final thickness should be 16-20 mils minimum or the gelcoat may not fully cure. 2007 Beavertail Opsrey - 2017 Suzuki DF60A. Covers, Boat Wiring & PDF Bondo fiberglass resin hardener ratio chart Get a proper measuring cup and syringe and use cc's or ml's for both. tube of liquid hardener (MEK Peroxide) is sufficient to harden the entire contents of a gallon container. Quantity. The secret to a good finish is to apply the gelcoat properly. 0000017788 00000 n Check the temperature of the Gelcoat stock and insure that it is not below 70F. The application of gelcoat is pretty straightforward when you follow this guide. Towers, Tow Ropes & OUNCE 20 DROPSWhen using Surfacing Wax with your resin/gelcoat, youmust also add the MEKP(Hardener). You may purchase this item if you desire additional hardener. gelcoat..very small quantity mixing ratios.. | Classic Parker Boat Forum 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. If youre not sure how thick it is, pick up a mil gauge. 0000015094 00000 n Pot life at 75F is approximately ten minutes. I believe the 12:1 was written for 72 degree F days. You can over-spray with PVA before gel coal reaches its gel stage (5-10 min. %PDF-1.4 % 38 in. You need to stick to the 1:1 ratio that is measured by volume. cloth = 2.84 or 3 pieces). Can u paint over gelcoat? Be sure to have a good strategy when applying your gelcoat. AND have fun!! 1 ML = 1 CC; For a better experience, please enable JavaScript in your browser before proceeding. Add a New List . 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. For example, four drops of hardener will be 1 percent of 1 ounce of resin. Gel coat will not fully cure without adding a surfacing agent or over spraying with PVA. 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. Winches, Boat Motor Supports & PDF AMOUNT OF RESIN OR GELCOA T HARDENER AMOUNT 1 OUNCE 10 DROPS (Colored Should I use gelcoat with or without wax? 0000022891 00000 n Gelcoat that is . Newbury, MA. Gelcoat should not be used when temperature conditions are below 60F, as curing may be adversely affected. 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. If there is a trim color, you should have a narrow trim brush on hand. The color wet is the color when dry. The Fora platform includes forum software by XenForo. Galley, Barbeque Why do I need to add MEKP to polyester resin or gelcoat? How much do I %PDF-1.4 % Now, Shop A forum community dedicated to Small Skiff owners and enthusiasts. Using the drop method, 4 drops are used. Cups are are wax coated. Tags: MEKP > MEKP for gel coat > gel coat catalyst > gel coat hardener > hardener for gel coat > 132662 > 132661. Acessories, Fishing Outriggers & Accessories, Marine Electrical Two Versions are available both Ounces and Pounds. Hardware, Marine Specific 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. Biminis, Paint and Please follow the instructions located on the products page or the label. When adding it to gelcoat, you must also add the MEKP (methyl ethyl ketone peroxide) hardener. I don't know if age effects it or not. The correct ratio is 11cc per 1/2 gallon. Use the spreader to add the . This time element is dependent on material temperature, room temperature, humidity, air movement, and catalyst concentration. then sanding the gel coat down starting with 150, 220, 400 wet and 600 wet. We encourage the use of Acetone, because it does not leave residue and evaporates easily. Amount of MEKP in Ounces. ACCOUNT, Find Sanding between coats is not necessary unless a surfacing agent has been added to your gel coat. At 77F, adding 14-16 drops of MEKP to one ounce of TotalBoat Polyester Fairing Compound will provide a working time of 10-15 minutes, and will cure in 20-30 minutes. CREATE Accessories, PWC Parts & 0000000872 00000 n Tubes, Shop Generally, mix one-pint batches. This coat should be mostly in the repair area and may be repeated. FIB-603 -- 2 oz (for 1 gallon of resin) FIB-604 -- 240cc for 5 Gallons of resin. Boats, Propeller Parts & Okay, so how is this MEKP Catalyst Chart or these handy Calculators useful? What is the mix ratio for MEKP catalyst when using TotalBoat Polyester Do you sell MEKP? I do suggest you start small. Grande Mastere Dreade Snag's spellchecker 20,728 5,208 3026'36.2"N 8832'13.8"W Required fields are marked *, Please note, comments must be approved before they are published. How Many Drops Of MEKP Is 1 Oz Of Gelcoat? Adding more of less of the catalyst agent will speed up or slow down the curing time for the resin. Also I understand, after an area has been repaired that it should be covered with clingwrap or a material such as a plastic bag in order fo gel coat to cure properly. Trolling Motors, Shop 0000003724 00000 n You should also feather the surrounding area of the gel coat repair with 220/330. Use 6 drops of catalyst into 10ml of resin. This should be added after all other additives just prior to application. Fishing Lures, Fishing Rod Holders & You will have between 5 and 10 minutes (longer in cold weather) to apply the gel to the mould. WEIGHT The exact weight measurement for these ratios is slightly different from the volume ratio due to resin and hardener density. PINT (16OZ) 1/4 OUNCE In temperatures below 70 degrees, the paraffin can QUART (32OZ)1/2 OUNCEsolidify in the bottle. That is what target for. 0000030992 00000 n GPS Chartplotter and Fish Finder Combo, Find For most work, a 3 or 4 wide brush will suffice. Can I spray gelcoat with an airless sprayer? Gelcoat can take as much a 2x the amount of MEKP as resin. Plumbing, Fresh Water Boat I want to say poly resin needs 10 drops of MEKP per 1 oz. Gelcoat to Hardener Ratio - Classic Parker Boat Forum Correct application of gelcoat is critical to get the optimum performance from it. 5. There are about 20 drops in a cc/ml, so for 4oz of gelcoat you would mix 27 drops of MEKP. Lighting, Marine Teak Gel Coat Application Guide | Basic Application Methods & Repair Be sure not to use foam rollers because they tend to leave the bubbles. 0 It will take a minimum of two coats of gelcoat if you are changing colors. 28.4cc Catalyst Amount by CC Catalyst Concentration by CC (Volume of Catalysts to be Used with Polyester Well it was not cured this morning after applying it last night which is either one of two things old hardener that came with the gelcoat or not enough hardener. I purchased the gel coat which is matched to my color hull from Ranger boats and purchased MEK ( catalyst ) from O'Riley. Handles, Life Jackets & Pumps, Marine Pump Replacement How to Apply Gelcoat | Easy Gelcoat Application - Bottom Paint Store Polyester resin : Mek ratio ?? - RC Groups 0000006580 00000 n Protection, Dock Storage & I would forget the drops and using ounces. 0000001553 00000 n This is the amount of Catalyst you will add in Ounces. Going up to 400, then 600, and eventually 800 grit sandpaper. Following this, it should be wet sanded with 320, 400, and 600 wet grit paper, buffed, polished and waxed. I would forget the drops and using ounces. Charts & Adding more of less of the catalyst agent will speed up or slow down the curing time for the resin. Spraying Gelcoat delivery rate of no more than 2.5 pounds per minute with conventional air atomized spray, and no more than 4 pounds per minute with airless equipment. Apply the gelcoat using a brush or spray gun. Once gel coat has tacked up, about 20 minutes after final layer has been applied, lay-up of the part can begin. 0000002941 00000 n Gelcoat should be applied at temperatures of 60F to 80F. I always go way over the amount needed. Rollers, Boat Trailer Unfilled resin can heat up to 300F resulting in cracking. Large quantities will exotherm and kick off very fast, leaving you with a smoldering mess in your cup. & The resin's reaction starts with the addition of MEKP at 0.5% to 1.5 % (2 % for thin laminates). Gelcoat needs to be applied evenly. Harware, Marine Nuts, Bolts, & At 77F 1.8% MEKP will provide a gel time of 10-17 minutes. Gelcoat without wax is used when you have a different method selected to cure it. Smoke 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. Spray: Airless or Conventional: 2.0-2.5 orifice tip. Clean the fiberglass surface with ajax or comet and water. 0000030800 00000 n Kits, Boat Trailer Cable, Marine Batteries & Distribution, ProMariner ProNautic Mix in the MEKP at 1-1.5% and see if it works ok on a test panel. For example, four drops of hardener will be 1 percent of 1 ounce of resin.How much hardener do you add to polyester resin? More features, tools? Start by sanding the surface with 150 grit or sandpaper. 30 drops is approximately equal to one cc. 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. Outdoor Hub, LLC (d/b/a Carbon Media Group), 30800 Telegraph Rd, Suite 1921, Bingham Farms, MI 48025 USA. The amount of MEKp that you add to gelcoat and resin will vary with outside weather conditions. 50 Graduated Paper Cups Perfect for mixing small batches resin, paint, stain, epoxy from 1 to 3 ounces. Deals, Dealer AN Epoxy resins come in two seperate componants. If applied onto a floor without the hardener, the resin would remain a near liquid indefinitely and could not transform into a durable flooring system. Pot life (amount of time for application of the product) shortens dramatically as you mix larger batch sizes. How many drops of MEKP is 1 oz of gelcoat? PDF Gel Coat Instructions - Marine Gel Coat Repair Product | Marine Products The warmer the temperature the less MEKp you would to activate the gelcoat/resin. 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. If not, where can I purchase? If thinning is needed for gun/nozzle used then Patch Booster is a additive that will thin out gelcoat and not affect colors, such as acetone or styrene. Less MEKP gives a slower cure, more gives a faster cure. How to Mix Polyester Resin | eHow Example: 20-30 minutes @ 77F for a 100g mass catalyzed with 1% MEKP. The weight of MEKP 925 is 1.125 grams per cc. Instantly, you will gain predictable results. Hardware, Boat Cabin At this point, the repair is ready to prep and spray/brush with gelcoat. Do not use more than 1 oz tint per quart. *ThisItemShips From Florida ;Click to See Estimated Transit Times. They are sturdy and smooth on the inside to help with complete mixing. Tables, Minn Kota Caulking, Marine Engine Depending on the amount of resin needed, pour the appropriate ratios of polyester resin and MEKP into a heavy-duty plastic tub or bucket. Location. . MEKP is a clear hardener/catalyst for the room temperature cure of unsaturated polyester and vinyl ester resins. We recommend 1.5% 2.0 % by volume. MEKP speeds up the curing reaction of the polyester resin in these . Be sure not to use foam rollers because they tend to leave the bubbles. FREE MEKP Calculator for Quarts and Ounces. The Ratio of Hardener to Polyester Resin | It Still Runs MEKP-925 Methyl Ethyl Ketone Peroxide Hardener Catalyst 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. 0000023817 00000 n Accessories, Boat 6.1 Cleaning Surface; 6.2 Sanding the Surface; 6.3 Apply Gelcoat; 6.4 Technique 1: Renewal of the Gelcoat with Laminate; 6.5 Technique 2: Renewal of the Gelcoat . Blocks, Marine The ratio range for catalyst to resin is 1 to 2 percent hardener to the total volume of resin to be used. 0000023586 00000 n We have all done it in a pinch, but there's a quicker way. For the Water Clear Casting Polyester Resin, this drops to 1.5% or 15ml for every 1kg. MEK Calculator (mekp catalyst ratio calculator) Try it for FREE! of Fiberglass Resin (or for can of Fiberglass Resin, use tube of liquid hardener). Ounces (Volume TIP: You can also use these to calculate the correct amount of Wax Additives or other surfacing agents like Patch-Aid (3-4%) or as recommended. Battery Charger, Marine Audio & See more 100 ml at 1.5% is 1.5ml MEPK etc. If you have Professional Grade Exterior Gelcoat you may either brush/roll or spray. Gelcoat will not darken or change colors when it dries. Bullet Skimmer, Paint and For example, if you are using a conventional spray gun, you should set the pressure between 30 and 50 psi. of Gelcoat = 1.5% @ 75F. Catalyze your material so that it has a longer pot life. 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. endstream endobj 115 0 obj <>/Outlines 1 0 R/Metadata 14 0 R/PieceInfo<>>>/Pages 13 0 R/PageLayout/OneColumn/StructTreeRoot 16 0 R/Type/Catalog/LastModified(D:20130606150718)/PageLabels 11 0 R>> endobj 116 0 obj <>/Font<>/ProcSet[/PDF/Text]/ExtGState<>>>/Type/Page>> endobj 117 0 obj [118 0 R] endobj 118 0 obj <>/A 132 0 R/F 4/H/I/StructParent 1/Border[0 0 0]/Type/Annot>> endobj 119 0 obj <> endobj 120 0 obj <> endobj 121 0 obj <> endobj 122 0 obj <> endobj 123 0 obj [/ICCBased 133 0 R] endobj 124 0 obj <>stream DO NOT WORK IN DIRECT SUNLIGHT -Choose a shady location or an overcast day. If you decide to Double or Triple the Volume to do a larger project or portion, the Calculator does the math for you! Do you need to add catalyst to resin? 0000003945 00000 n Mixing out of the above range will result in a weaker cured resin. If you want CONSISTENT RESULTS every time you mix, YOU NEED to MEASURE BY WEIGHT NOT VOLUME!! Polyester requires a 1-2% hardener ratio depending on temperature, so mixing 10 grams of gel at 1.5% means you have to measure 0.15 grams of MEKP. The gelcoat set up what was left in the mixing tub before I threw it out. 2. Biminis, RV & Trailer Trailer Winches, Shop The higher the temperature, the less hardener you need. Covers, Other PDF Directions for Using MEKP Catalyst - Fibreglass & Resin Sales The standard ratio is 1 oz. All rights reserved. Gel coat is typically the first layer of a part to be applied. First, decide if you need one or two coats of gelcoat. Patch booster is used with a 5:1 ratio or about 20% by volume. If you dont see the blue dye again, you know youve sanded it all properly. Starters, Marine Solar Power Add the MEKP . Sanding Aid / Surfacing Wax (Modifier-C) - Composite Envisions 19 drops per oz @ about 75 degree produce a quicker drying time with better results . Gelcoat Putty Repair Spider Cracks And Fill Gouges! Bottom Paint Store Blog How to Articles. Kits, Seadog Stainless Steel Cup Use a gelcoat spray gun such as ES Manufacturing Gelcoat Spray Gun G830, ES-G100 Spray Gun, or equivalent. Detectors, Binoculars & & Sonar, Trolling 7-Eleven Large Pepperoni Pizza. MEKP Liquid Hardener - Jamestown Distributors Sand it down with 80 grit sandpaper until it's flush with the surface of the fiberglass. There are also disposable cup liners available that you can insert into the plastic Poly-Pro graduated cup or paper cup. Or UPGRADE! Deals, Boat Seats 75 degrees F. Telescopes, Covers and
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