Changzhou Original Chemical Co., Ltd
Gel coat resin is a specialized type of resin that is primarily used in the manufacturing of composite materials. It serves as a protective and aesthetic outer layer, providing a smooth, durable, and high-quality finish. Gel coat resin is typically applied to the surface of molds before the main composite material, such as fiberglass, is laid up. This creates a barrier that not only enhances the appearance of the final product but also offers protection against environmental factors, abrasion, and chemical exposure.
Characteristics of Gel Coat Resin：
Smooth Finish: It cures to a glossy and smooth surface, reducing the need for extensive post-finishing work. This makes it ideal for applications where a flawless appearance is desired, such as in the production of boats, automotive parts, and bathtub/showers.
Good Adhesion: Gel coat resin has excellent adhesion properties, ensuring it bonds firmly to the underlying substrate. This strong bond helps prevent delamination and peeling, increasing the overall durability and lifespan of the composite structure.
Chemical Resistance: It exhibits resistance to a wide range of chemicals, including common solvents, acids, and alkalis. This characteristic is crucial in applications where the surface may come into contact with various substances, such as in industrial tanks or chemical processing equipment.
UV Resistance: Many gel coat resins are formulated with UV stabilizers, allowing them to withstand prolonged exposure to sunlight without significant color fading or degradation. This is especially important for outdoor applications like marine vessels and recreational vehicles.
Name | Type | Viscosity (25℃) | Geltime
(min.) | Characteristics and applications |
BY-200 | Ortho | 700-900 | 15-25 | Excellent hydrolysis resistance, good weathering resistance and mechanical properties. |
BY-201 | ISO | 750-850 | 5-20 | Good water resistance, cracking resistance and workability. |
BY-202 | ISO | 600-800 | 12-19 | Good water resistance, cracking resistance. |
BY-203 | ISO | 600-800 | 11-21 | Good water resistance, cracking resistance with high elongation. |
BY-204 | ISO/NPG | 800-1000 | 8-21 | Good water resistance, cracking resistance. Suitable for gel coat of general FRP mould. |
BY-205 | ISO/NPG | 800-1000 | 6-20 | Excellent water resistance, weathering resistance, good colour and workability. |
BY-206 | ISO/NPG | 600-800 | 9-25 | Excellent heat water resistance and weathering resistance, good colour. Suitable for the gel coat of synthesis marble. |
BY-207 | ISO/NPG | 900-1200 | 6-20 | Excellent water resistance, weathering and staining resistance, good colour. Especially better workability. |
Advantages of Gel Coat Resin:
Enhanced Aesthetics: The smooth and lustrous finish provided by gel coat resin significantly improves the visual appeal of the final product. It can be pigmented in a variety of colors, allowing for customization to meet specific design requirements and brand identities.
Longevity and Durability: The combination of its chemical and UV resistance, along with its strong adhesion, results in a longer service life for the composite product. This reduces the need for frequent repairs and replacements, ultimately saving costs in the long run.
Moldability: Gel coat resin can be easily applied to complex mold shapes, conforming to intricate details and curves. This enables manufacturers to produce highly detailed and customized parts with relative ease.
Protection for the Underlying Structure: By acting as a barrier, gel coat resin shields the composite material from moisture ingress, physical damage, and chemical attack, thereby maintaining the integrity of the internal structure.
