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Gel Coat/
Overview
ALITA 31# Iso Type Polyester Gelcoat
Category：Gel CoatCode：ALITA 31# ISO TYPE POLYESTER GELCOAT
Features
ALITA 31# is an Iso type polyester gelcoat. It offers good mechanical properties, application characteristics, water resistance, and weather reliability. It is recommended for the manufacture of cooling towers, boats, and other outdoor FRP products. Suitable for spraying or hand lay-up.
Specifications
| Test Item | 31# Index | Standard |
|---|---|---|
| Viscosity @ 25°C (cp) | 1600-2600 / 3500-5500 | GB7193.1-1987 |
| Gel Time @ 25°C (min) | 8-20 | GB7193.6-1987 |
Properties
| Properties | Typical Value | Standard |
|---|---|---|
| Flexible Strength (MPa) | 120 | GB/T2570-1995 |
| Flexible Modulus (GPa) | 3.2 | GB/T2570-1995 |
| Tensile Strength (MPa) | 68 | GB/T2568-1995 |
| Tensile Modulus (GPa) | 3.2 | GB/T2568-1995 |
| Elongation (%) | 2.6 | GB/T2568-1995 |
| Impact Strength (KJ/m²) | 12 | GB/T2571-1995 |
| Barcol Hardness | 43 | GB3854-83 |
| HDT (°C) | 81 | GB1634-1979 |
Applications
- Cure System: Cobalt type accelerator and MEKP are recommended.
- Process Conditions: Temperature of workshop, raw materials, and mold should be above 15°C with relative humidity below 70%. Suitable for spraying or hand lay-up.
- Applications: Recommended for cooling towers, boats, and other outdoor FRP products.
- Note: Available in transparent, white, and various colors. All colored gelcoats are pre-promoted.
Storage & Handling
- Packaging: 20kg or 50kg pails.
- Storage: Max 3 months under 25°C in the shade.
For TDS and MSDS of specific grades, please contact us to request.