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Gel Coat/
Overview
ALITA 52# General-Purpose Ortho/NPG Gelcoat
Category：Gel CoatCode：ALITA 52# ORTHOPHTHALIC NPG TYPE POLYESTER GELCOAT
Features
52# Gelcoat is an orthophthalic/neopentyl glycol (Ortho/NPG) type general-purpose gelcoat resin.
- Properties: Excellent processing performance, weather resistance, and water resistance.
- Usage: Suitable for general outdoor FRP products.
- Molding: Applicable for both hand lay-up and spray molding processes.
Specifications
| Category | Item | Value (52#) | Standard |
|---|---|---|---|
| Gelcoat Specs | Viscosity (25℃, cp) | 1600-2600 / 3500-5500 | GB7193.1-1987 |
| Gel Time (25℃, min) | 8 - 20 | GB7193.6-1987 | |
| Base Resin Properties | Flexural Strength (MPa) | 95 | GB/T2570-1995 |
| Flexural Modulus (GPa) | 3.0 | GB/T2570-1995 | |
| Tensile Strength (MPa) | 65 | GB/T2568-1995 | |
| Tensile Modulus (GPa) | 3.0 | GB/T2568-1995 | |
| Elongation at Break (%) | 2.4 | GB/T2568-1995 | |
| Impact Strength (kJ/m2) | 10 | GB/T2571-1995 | |
| Barcol Hardness | 43 | GB3854-83 | |
| HDT (℃) | 68 | 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.