Epoxy compatible clear polyester gelcoat Nov 27, 2023 · Learn about the different types of paint for gelcoat surfaces, including epoxy, polyurethane, and acrylic paint, and how to choose the right one for your project. Matt Statham Easy Composites / Carbon Mods - Technical Sales ReplyLike0 marc37i marc37i posted 11 Years Ago ANSWER Post Polyester Gelcoats Notes For Gelcoat Application When Spraying: We recommend thinning the gelcoat at about 10% by volume with STYRENE (see link to purchase). Could anyone please recommend a good epoxy compatible polyester gel coat? I have found a Scott Bader one, Crystic GC 252PA But I have yet to find anywhere that stocks this product and from the brochure it seems it is sold in 25kg drums, I would prefer a smaller quantity first to test it out. Self-etching primers do not work well on an epoxy coating because of epoxy’s chemical resistance. Crystic Gelcoat 253PA is designed for use with wet lay and vacuum injected Duratec Clear Hi-Gloss ADDITIVE Duratec Clear is a special blend of polyester polymers that produce excellent clarity, color and light stability, chemical resistance and a non-wax, tack free high gloss finish when added to a gelcoat at a 1:1 ratio for repairs and to upgrade tooling gelcoats. Nevertheless I plan to try the gelcoat method. Home » Advanced Composites Forum » Mould Making » Do I really need gelcoat if going with epoxy? Mar 15, 2020 · What is Gelcoat? When working with polyester resin, so-called fiber composites are created. For bigger applications, we recommend that you remove any In this section you will find a good range of gelcoats for the manufacture of reinforced parts and moulds/tools with thermosetting epoxy resins. Epoxy resins and gelcoats are typically used for higher performance component and tooling applications 1 active, 1 guest, 0 members, 0 anonymousNo members currently viewing this topic! The Gelcoat Castropox E7UV is formulated with an epoxy resin thixotropic laminate based on an epoxy aliphatic with a high degree of UV resistance. GC50 is a clear, UV stable polyester gelcoat designed specifically for use with epoxy resin laminates. It is also not recommended for epoxy pre-pregs. 2 9. Most common gelcoats are based on epoxy or polyester resin chemistry. Tooling Gel Coat, is formulated specifically for mold making. Formulated for spray application. e. Sold as a kit (resin and hardener). Small gelcoat repairs, epoxy can be used, then finished with gelcoat. SailboatOwners. They can be colored and will retain a durable high gloss surface. #1039/1040 Duratec Clear Hi-Gloss Gel Rayplex Gelcoat is a Iso Based polyester resin, and as such, is not compatible over epoxy. Can you The Resolcoat VI5090 is a high resistance epoxy compatible gelcoat formulated on a vinylester resin base. By far the easiest solution. Matt Statham Easy Composites / Carbon Mods - Technical Sales ReplyLike2 marc37i marc37i posted 12 Years Ago ANSWER HOT Clear, UV-stable, low viscosity isophthalic NPG polyester gelcoat - use clear or pigment to any colour. has the gelcoat you need for the job. Gelcoat available with and without wax for boat building and repairs. GCX Clear Polyester Spray Gel is a clear, low viscosity isophthalic NPG polyester gelcoat suitable for the manufacture of composite components such as boat hulls, hatches, decks, vehicle panels, architectural and general composite mouldings. As a premium topcoat manufacturer in India, backed up by a strong GC50 is a clear, UV stable polyester gelcoat designed specifically for use with epoxy resin laminates. Matt Statham Easy Composites / Carbon Mods - Technical Sales ReplyLike2 marc37i marc37i posted 12 Years Ago ANSWER HOT GC50 is a UV protective layer. It's also very polishable and, even if you do want to 'detail' it afterwards then it's a good material to wet-flat and polish and it's a tougher surface than a clear-coat. Same day shipping. It removes moderate to heavy oxidation, scratches, stains, and tough water spots GC50 is a UV protective layer. What are my advantages of using the GC50 epoxy compatible polyester gelcoat apart from it being cheaper than epoxy gelcoat? UV stability I understand, polishable etc Home How To & Tools Gel Coat Application Guide - How to apply gelcoat correctly Gel Coat Application Guide - How to apply gelcoat correctly Gelcoat is a resin system that is filled with colorants and thickening agents and applied to a mold surface to form the cosmetic and weathering coating of a composite part. Will Gelcoat adhere to Epoxy ? ~ by Bruce Niederer As stolen from http://www. If gel coat is added as the final layer in either a new construction or a repair, you will want to use polyester resin. Matt Statham Easy Composites / Carbon Mods - Technical Sales ReplyLike2 marc37i marc37i posted 12 Years Ago ANSWER HOT So my question is has anyone found, and is using, a decent epoxy based gelcoat for hand lay-up? Obviously I'm aware of the many 'Epoxy Compatible Polyester Gelcoat' options but the big selling point of using Super Sap is the very low VOC's meaning no repiratory equipment is needed, so would be a step backwards if we had to use Polyester alongside this. com Q. When the epoxy samples were cured, water washed and sanded, he bonded the epoxy and polyester samples together with polyester gelcoat. HDT: 76 °C. Description Easy Composites’ GC50 Epoxy Compatible Polyester Gelcoat is a very special type of polyester gelcoat designed specifically for use with epoxy based wet-lay or resin infused laminates in place of an epoxy gelcoat or post-production paint/lacquer. Clear epoxy gelcoat 20kg with UV resistance for vinylester and polyester resin laminatesClear Polyester Gelcoat 20 kg - It has shiny finish with very deep transparrency. This will allow better flow through your gun and better atomization. Epoxy resins and gelcoats are typically used for higher performance component and tooling applications DESCRIPTION Easy Composites' GC50 Epoxy Compatible Polyester Gelcoat is a very special type of polyester gelcoat designed specifically for use with epoxy based wet‐lay or resin infused laminates in place of an epoxy gelcoat or post‐production paint/lacquer. Since gel coat is polyester resin based and was designed for in-mold use, it will require an air inhibitor in order to properly cure. Matt Statham Easy Composites / Carbon Mods - Technical Sales ReplyLike4 marc37i marc37i posted 13 Years Ago ANSWER HOT Feb 24, 2022 · Back to another upside, polyester is compatible with gel coat. It's been long believed that if you were… Top Coat Manufacturer From India A topcoat is a gelcoat that has been modified with paraffin in order to get rid of the typical tacky finish from the polyester or vinyl ester gel coats and is used as a final coat, normally at the back of a composite part. I realize I can gelcoat with polyester, but I would rather work with epoxy. GelCoat works with common laminating systems and is widely used as an in-mold coating on composite parts to produce a durable part surface, providing protection from the elements. It cures quickly, allowing for application within 2-3 hours, and is suitable for various applications including tooling and painting. Many watercraft and bathroom fixtures utilize an outer layer of gelcoat, which can become . 2 CHECK PRICE Show More MORE DEALS (1) Home Gc50 Epoxy Compatible Clear Polyester Gelcoat GC50 is a clear, UV stable polyester gelcoat designed specifically for use with epoxy resin laminates. Matt Statham Easy Composites / Carbon Mods - Technical Sales ReplyLike2 marc37i marc37i posted 12 Years Ago ANSWER HOT This gelcoat will release from any release agent, PVA, wax, Easylease etc. The epoxy gelcoat is the first layer of resin that is applied to a mould or master model in the manufacture of a composite part or for the construction of a glass/carbon Aug 27, 2021 · GC50 Epoxy Compatible Clear Polyester Gelcoat - Easy Composites Special clear, UV stable polyester gelcoat designed specifically for use on epoxy resin laminates. Jun 17, 2025 · Compare epoxy and polyester resin for marine use. Available to buy online in 1kg, 5kg and 25kg tins. Marine repair expert, conducted experiment to test belief in the boating world: Can polyester-based materials, like gelcoat, bond with epoxy? Product Description Easy Composites’ GC50 Epoxy Compatible Polyester Gelcoat is a very special type of polyester gelcoat designed specifically for use with epoxy based wet-lay or resin infused laminates in place of an epoxy gelcoat or post-production paint/lacquer. Once cured, EG60 is hard-wearing, chemical resistant and a suitable tool surface for the production of epoxy-based parts. Air inhibitor options include #1039/1040 Duratec Clear Hi-Gloss Gel Coat Additive, #71 Styrene Wax, and #13 PVA Release Film. There have been many debates whether polyester gelcoats can go over epoxy, but we have found, if the epoxy is fully cured, it can. Clear, UV-stable, low viscosity isophthalic NPG polyester gelcoat - use clear or pigment to any colour. Gelcoats are so popular because production boat manufacturers can make perfect Class A molds, spray gelcoat in the mold, laminate or infuse the boat and pull it out of the mold. 5mm (20 mils) using a brush, roller, or spray gun. Jul 25, 2025 · Applying gel coat as a secondary operation (as a coating) requires some additional considerations. Home » Easy Composites Ltd Technical Support » Easy Composites Ltd - Product Specific Pages » Resins, Gelcoats and Pigments » GC50 Epoxy Compatible Polyester Gelcoat Apr 12, 2015 · Aircraft - Misc. Before applying gelcoat, the epoxy primer must be completely cured for at least 48 hours, then sanded with coarse sandpaper to allow the gelcoat to form a strong mechanical bond. Gel time of 10 minutes at 25 ° C , with 2% of Catalyst MEKP 50% (Luperox K1S or Butanox M50). These products are compatible. SECTION 1: Identification of the substance/mixture and of the company/ undertaking 1. : 0K5V-5JCF-C006-5WHC 1. It is compatible with Resoltech’s epoxy resins. The matrix is the filler and the adhesive on and between the fibers. In mold making with polyester resin or epoxy resin, for example Book #2: “The interaction between the epoxy used for laminating and the air-inhibited tacky surface of a polyester gelcoat is unpredictable-some formulations inhibit the cure of the epoxy, and manufacturers and formulators of both epoxy and polyester resins can generally offer no advice beyond “try it and see”. Home » Easy Composites Ltd Technical Support » Easy Composites Ltd - Product Specific Pages » Resins, Gelcoats and Pigments » GC50 Epoxy Compatible Gelcoat - Vinylester Resin Compatibility It is generally not recommended, but for very small repairs, you can apply gelcoat over fully cured, cleaned, and properly prepared epoxy. TotalBoat ISO/NPG neutral and white marine gelcoats compatible with coloring agents. These are particularly robust and durable and have excellent mechanical properties. Description Easy Composites’ GC50 Epoxy Compatible Polyester Gelcoat is a very special type of polyester gelcoat designed specifically for use with epoxy based wet-lay or resin infused laminates in place of an epoxy gelcoat or post-production paint/lacquer. This gelcoat will release from any release agent, PVA, wax, Easylease etc. Our range of resins and gelcoats is divided below into the main chemistry groups of epoxy, polyester/vinylester and polyurethane. Discover the best option for boat repair, fiberglass layups, and gelcoat compatibility. EG60 is a thick, brush-applied epoxy tooling gelcoat for use as a surface coat when making epoxy based composite moulds/tools. What are my advantages of using the GC50 epoxy compatible polyester gelcoat apart from it being cheaper than epoxy gelcoat? UV stability I understand, polishable etc Tools & Home Improvement for Sale - Shop Gc50 Epoxy with best deals at Lazada PH Lowest Prices Vouchers Cash on Delivery Easy Shopping! Home » Easy Composites Ltd Technical Support » Easy Composites Ltd - Product Specific Pages » Resins, Gelcoats and Pigments » Home » Advanced Composites Forum » General Composites Discussion » Paint and Gel Coat? GC50 is a UV protective layer. Crystal clear, non yellowing gel coat recommended as clear coat over Chromaveil, other colors or glitterflake. 5-2-5% MEKP. Type of supply Crystic 253PA Epoxy Compatible Clear Spray Polyester Gel Coat x 1 kg, supplied with 20 g of MEKP catalyst Black Pigment for Epoxy Resin, Gelcoat, Paint - 1 oz Fasco Epoxies 9. Use any good VE tooling gelcoat, laminate a layer of low tex CSM behind it with vinylester, let cure properly, sand well, and laminate epoxy behind it. 1 Product identifier Product name : GC50 Epoxy Compatible Polyester Gelcoat Product code : GC50 Product type : Liquid. GelCoat can be used with EcoPoxy Liquid Color Pigments and is applied at a thickness of 0. What are my advantages of using the GC50 epoxy compatible polyester gelcoat apart from it being cheaper than epoxy gelcoat? UV stability I understand, polishable etc Tools & Home Improvement for Sale - Shop Gc50 Epoxy with best deals at Lazada PH Lowest Prices Vouchers Cash on Delivery Easy Shopping! Home » Easy Composites Ltd Technical Support » Easy Composites Ltd - Product Specific Pages » Resins, Gelcoats and Pigments » Home » Advanced Composites Forum » General Composites Discussion » Paint and Gel Coat? Similar Threads Thread Thread Starter Forum Replies Last Post Epoxy on gelcoat and installing thru-hull fittings with epoxy TobiasLager Construction, Maintenance & Refit 30 03-05-2017 13:38 Gelcoat and Epoxy Questions Khagan1227 Construction, Maintenance & Refit 10 31-10-2010 19:23 Meguiar's® marine/RV one step compound is an advanced aggressive, yet safe cutting compound with polish that cleans and restores gloss to gel coat surfaces in one step. 1. Dec 19, 2018 · Here is the first of 2 video's where I look to see if there's any truth to the belief that polyester based materials (such as gelcoat) won't bond to epoxy. GC50 Epoxy Compatible Polyester Gelcoat is designed for use with epoxy laminates, providing excellent UV stability and inter-laminate strength. It's also really useful if you want to make an epoxy part from a polyester mould as it will release well from polyester (unlike epoxy) I look forward to seeing how you get on with it, keep us posted! Crystic 253PA Epoxy Compatible Clear Spray Polyester Gel Coat WGC253I Scott Bader GPX Premium Polyester Laminating Resin GCX Clear Polyester Spray Gel IP2 Polyester Infusion Resin (ISO) GC50 Epoxy Compatible Clear Polyester Gelcoat PCP Polyester Pattern-Coat Primer PCG Polyester Pattern-Coat Hi-Gloss UG1 Uni-Mould Tooling Gelcoat UC1 Uni-Mould Coupling Coat UT1 Uni-Mould Tooling Resin Home » Easy Composites Ltd Technical Support » Easy Composites Ltd - General Technical Support » polyester mould/epoxy compatible gelcoat Nevertheless I plan to try the gelcoat method. The use of Resoltech 1050 epoxy resin is recommended. Matt Statham Easy Composites / Carbon Mods - Technical Sales ReplyLike4 marc37i marc37i posted 13 Years Ago ANSWER HOT Similar Threads Thread Thread Starter Forum Replies Last Post Epoxy on gelcoat and installing thru-hull fittings with epoxy TobiasLager Construction, Maintenance & Refit 30 03-05-2017 13:38 Gelcoat and Epoxy Questions Khagan1227 Construction, Maintenance & Refit 10 31-10-2010 19:23 Meguiar's® marine/RV one step compound is an advanced aggressive, yet safe cutting compound with polish that cleans and restores gloss to gel coat surfaces in one step. Discover the unique benefits of combining Gelcoat and Epoxy, including enhanced durability, improved finish, and versatility for a variety of applications. Requires MEKP catalyst, not included. Remember when brushing gelcoat, un-even Gel-coat Gelcoat refers to the material used to provide a high-quality gloss finish on the visible surface of a fiber-reinforced composite material, such as fiberglass. When these gelcoat over epoxy samples were fully cured, he ripped them apart to determine a clear pass/fail on the bonding strength. Tooling gel coats utilize selected resins that exhibit high heat distortion, high gloss and a hard durable surface to withstand the repeated mold cycles anticipated from a mold. Composites Fabrication Discussion epoxy over polyester gelcoat? Jan 15, 2021 · Reinforcement is normally laid into the mould 'dry', i. Its main characteristics are a very high resistance to solvents and chemical agents, which makes it an excellent product for tooling. Available to buy online in 1kg and 5kg tins. High dimensional stability at elevated temperatures, good mechanical properties and non-harmful in contact with skin. Duratec Clear Hi-Gloss ADDITIVE Duratec Clear is a special blend of polyester polymers that produce excellent clarity, color and light stability, chemical resistance and a non-wax, tack free high gloss finish when added to a gelcoat at a 1:1 ratio for repairs and to upgrade tooling gelcoats. It's also really useful if you want to make an epoxy part from a polyester mould as it will release well from polyester (unlike epoxy) I look forward to seeing how you get on with it, keep us posted! GC50 is a UV protective layer. To produce such a fiber composite material, you need a matrix in addition to the fiber. Epoxy resins and gelcoats are typically used for higher performance component and tooling applications In this video, we dive deep into the world of GELCOAT and EPOXY to explore whether they truly create a match made in heaven or if they spell disaster for your projects! Join us as we analyze the Vinylester resins behave very similarly to polyester resins but tend to offer improved mechanical properties and chemical resistance, making them a popular choice for tooling/mould making. without any resin, however with the sled, it is desirable to have a coloured gelcoat finish. You will find clear, pigmented or filled with metallic particles epoxy gelcoats. Requires 1. Allow the epoxy to cure completely. When Brushing or Rolling: Adding about 5% to 10% Styrene will help the gelcoat flow out better and reduce brush/roll marks. TotalBoat Gelcoat is a type of polyester resin, and as such, is not compatible over epoxy. 2 Relevant identified uses of the substance or mixture and uses advised against GC50 is a UV protective layer. Polyester gelcoat is a pigmented version of the resin used to build fiberglass boats and other products. Clear, UV-stable, low viscosity isophthalic NPG polyester gelcoat - use clear or pigment to any color. Unlike conventional polyester gelcoats, which epoxy resin cannot bond properly to, GC50 cures dry to the touch on the open face and can be fully bonded to by epoxy resin. However, for very small cosmetic gelcoat repairs, epoxy can be used, then finished with gelcoat, as long as you do all of the following: Measure the epoxy resin and hardener accurately, then mix and apply, as directed. Whether you're working on boats Jul 27, 2019 · I have been repairing my fiberglass Hunter 146 centerboard. 9040 PX A INCOLORE is a clear isophtalic neopentyl glycol polyester gelcoat. I have heard that gel coat will not adhere well to epoxy . Proper mixing, application, and storage conditions are essential for optimal performance and a shelf life of 12 months When applying TotalBoat Gelcoat without Wax, what is the overcoat time? Why did TotalBoat Gelcoat cure without a glossy finish? Can polyester resin be applied over a 2-part epoxy-based primer? Can TotalBoat Polyester Resin be used with 1708 biaxial fiberglass cloth? Can TotalBoat TotalTint Kits be used to color gelcoat? Is neutral gelcoat clear? Prior to applying gelcoat, the surface can be primed with either TotalBoat TotalProtect epoxy barrier coat primer or TotalBoat 2-Part Epoxy Primer. Available to buy online in a 1kg and 5kg kit. Whether you're doing a repair (boat, snow mobile, RV, swimming pool, shower, tub, sink, etc) or making a mould Rayplex Ltd. A wide range of resins and gelcoats to cover composites processes including hand layup, resin infusion, pattern-making, tooling, coating, casting and more. It's been well tested in this capacity and works as well as a clear coat. Crystic 253PA Epoxy Compatible White Spray Polyester Gel Coat Crystic Gelcoat 253PA is a thixotropic, pre-accelerated, isophthalic gelcoat designed as an in-mould gelcoat with excellent adhesion to epoxy resins without the need for a tie-coat. Colorless Vinyl Ester gel coat compatible with epoxy lay-ups for the manufacture of carbon rolled or imitation carbon fabrics If the instructions on your paint or varnish recommend a specially primed surface, follow the recommendations given for fiberglass preparation. Epoxy topcoats have no paraffin and are just considered as paints. 2 Relevant identified uses of the substance or mixture and uses advised against Isophthalic polyester gel coat for spray applicationCrystic Gelcoat 253PA is a thixotropic, pre-accelerated, isophthalic gelcoat designed as an in-mould gelcoat with excellent adhesion to epoxy resins without the need for a tie-coat. Product name Product code Product type UFI : GC50 Epoxy Compatible Polyester Gelcoat : GC50 : Liquid. GC50 is a UV protective layer. Vinylester and polyester resins and gelcoats are fully compatible and can be used alongside each other. Once I am finished, I would like to gelcoat the repair with an epoxy-based gelcoat, but am unable to find any. So in this case the GC50 Epoxy Compatible Polyester Gelcoat, pigmented black, is used on the release coated mould first before we lay up the Kevlar reinforcement. GBI Technical Director Jeff Wright discusses why it's actually a good idea to use polyester gelcoat over epoxy. Home » Easy Composites Ltd Technical Support » Easy Composites Ltd - Product Specific Pages » Resins, Gelcoats and Pigments » Easy Composites' GC50 Epoxy Compatible Polyester Gelcoat - First time! Vinylester resins behave very similarly to polyester resins but tend to offer improved mechanical properties and chemical resistance, making them a popular choice for tooling/mould making. siehz nmancf hftmvy ninztwcw zfpzbxx iab zchaqxwuq scqou kpbmd xpodzem dgvci xrt bbotb phzlush eunfo