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White gel coat resin,gray polyester resin gelcoat is used as protective layer of FRP products,gel coat resin provide weather resistance, water resistance,corrosion resistance and abrasion resistance. Also,gel coat resin provide bright and beautiful appearance for FRP products
Gel coat resin is used as a protective layer for products, on the one hand, it improves the weather resistance, water resistance, corrosion resistance, wear resistance and other properties of products, and on the other hand, it gives products a bright and beautiful appearance. It is based for gel coat manufacture, sanitary ware, cooling tower, chair, bath-tub, tank etc. Superior wet-out and mechanical properties, relatively high thixotropic index.
Product Features
1.Strong corrosion resistance
Resistant to acids, alkalis, and chemicals
Gel coat resin is suitable for harsh environments such as chemical storage tanks, sewage treatment plants, and ships.
2.Process-friendly, non-sagging
High thixotropy: No sagging during brushing/spraying, even on vertical surfaces.
Controllable curing, good compatibility with fiberglass (unsaturated polyester, vinyl ester, epoxy).
3.Seals pores, increases strength
Gel coat resin seals micropores on the surface of the composite material
Reduces water and moisture penetration, extending product lifespan.
Product Applications
1.High elongation and excellent weather resistance for FRP products.
2.Good construction performance, good heat resistance, water resistance, and crack resistance. Ideal for waterproof boards, heat-resistant bathtubs, and general FRP mold gel coat resin.
3.Good acid resistance, hot water resistance, and good adhesion. A corrosion-resistant resin, a resin for bonding with PVC, and a high-performance gel coat resin matrix.
| Item No. | Gel Time Min（25℃） | Chemical Category | Product Feature | Application Field |
| RC-283 | 6.5-12.0 | Good acid resistance, hot water resistance, and good adhesion | A corrosion-resistant resin, a resin for bonding with PVC, and a gel coat matrix resin | |
| RC-23W-1 | 10.0-18.0 | Isophthalic | Good construction performance, good heat resistance, water resistance, and crack resistance | Waterproof board, heat-resistant bathtub, general FRP mold gel coat, etc |
| RC-H-2096W | 9.0-14.0 | High elongation and excellent weather resistance | FRP products | |
| RC-H-2096S | 12.0-18.0 | High elongation and excellent weather resistance | FRP products | |
| RC-1240 | 9.0-15.0（December to next March） 16.0-22.0（from April to November） | Isophthalic | Good acid resistance, hot water resistance, and good adhesion to rigid PVC (lead type) | A corrosion resin, resin for bonding with PVC, and gel coat base resin |
| TR－105 | 7.0-8.0 | O-phthalate | Moderate reactivity and high viscosity | Colored gel coat, and the finished gel coat |
| TR－P50 | O-phthalate | Polyester FRP products, artificial agate products, resin handicrafts and so on | ||
| TR－34 | 5.3-10.0 | O-phthalate | High viscosity and high thixotropic that the gel doesn't flow down | The surface coating of general FRP products |
| TR－86A | 3.5-7.0 | O-phthalate | Excellent strength, toughness and water resistance, weathering resistance | Artificial stone products |
| TR－102 | 4.9-9.1 | Isophthalic | Excellent mechanical properties and weathering resistance | Excellent mechanical properties and weathering resistance |
FAQ
1. What is the typical curing time of your gel coat resin under room temperature?
Our gel coat resin usually cures within 25–35 minutes at 25°C, depending on catalyst dosage, temperature, and humidity, with a workable time of 15–20 minutes for proper operation.
2. How can I improve the weather resistance and gloss retention of gel coat resin?
Choose our UV-stabilized gel coat grade, apply proper film thickness, ensure complete curing, and avoid long-term direct strong sunlight without a topcoat for extended service life.
3. Is your gel coat resin suitable for marine and outdoor FRP products?
Yes, our marine-grade gel coat resin features excellent water resistance, anti-aging, and adhesion, widely used for boats, outdoor panels, sanitary ware, and other exterior FRP components.
4. What storage conditions and shelf life does your gel coat resin have?
Store in a cool, dry, ventilated area away from sunlight and ignition sources, sealed properly. The shelf life is 6–9 months when stored under 25°C, avoiding freezing and high-temperature environments.
yomi@rulecomposite.com
