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Gel Coat/
Overview
ALITA 33# ISO Type Polyester Gelcoat
Category：Gel CoatCode：ALITA 33# ISO TYPE POLYESTER GELCOAT
Features
33# Gelcoat is an isophthalic-type gelcoat resin featuring exceptional weather resistance, impact resistance, and water resistance.
- Performance: Wide process adaptability, suitable for general-purpose products with higher performance requirements.
- Certification: Certified by the China Classification Society (CCS).
- Molding: Specifically designed for hand lay-up processes.
Specifications
| Category | Item | Value (33#) | Standard |
|---|---|---|---|
| Gelcoat Specs | Viscosity (25℃, cp) | 3500 - 5500 | GB7193.1-1987 |
| Gel Time (25℃, min) | 10 - 20 | GB7193.6-1987 | |
| Base Resin Properties | Flexural Strength (MPa) | 130 | GB/T2570-1995 |
| Flexural Modulus (GPa) | 3.2 | GB/T2570-1995 | |
| Tensile Strength (MPa) | 68 | GB/T2568-1995 | |
| Tensile Modulus (GPa) | 3.2 | GB/T2568-1995 | |
| Elongation at Break (%) | 3.0 | GB/T2568-1995 | |
| Impact Strength (kJ/m2) | 13 | GB/T2571-1995 | |
| Barcol Hardness | 38 | GB3854-83 | |
| HDT (℃) | 58 | GB1634-1979 |
Applications
- Curing System: Cobalt accelerator, MEKP (Methyl Ethyl Ketone Peroxide).
- Operation: 1. Workshop, materials, and mold temps should be >15℃ with RH <70%; 2. Spray or hand lay-up applicable.
- Notes: 1. Available in transparent, white, and various colors (see Alita color card); 2. Colored gelcoats are pre-accelerated.
Storage & Handling
- Packaging: 20kg drums.
- Storage: Seal and store in a cool place below 25℃. Shelf life is up to 3 months.
- Transport: Handled according to dangerous goods regulations and GB 190-90.