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Winding Resin/
Overview
ALITA 965 Orthophthalic UPR (Winding / Pultrusion General Purpose)
Category：Winding ResinCode：ALITA 965
Applications
ALITA 965 is a medium viscosity, medium reactivity orthophthalic unsaturated polyester resin, primarily synthesized from phthalic anhydride, maleic anhydride, and standard glycols.
- Core Features: Possesses high mechanical strength, excellent heat resistance, and superior water resistance.
- Multi-Process Versatility: Suitable for Filament Winding, Pultrusion, and Hand Lay-up processes.
- Authority Certifications:
- Complies with JC/T 1092-2008 Standard for mechanical forming winding resins.
- Complies with GB/T 21238-2007 Standard for glass fiber reinforced plastic sand-filled pipes.
- Fully certified by China Classification Society (CCS) (Certificate No.: NJ14W00014), suitable for marine vessel construction.
Application Fields
Due to its outstanding mechanical properties and certified background, this resin is widely used in:
- Municipal Engineering: Pipes, sand-filled pipes, and storage tanks.
- Building Structures: Anchor bolts, doors and windows, cable trays, and gratings.
- Transportation: Automotive parts and various marine vessels.
Specifications
| Inspection Item | Standard Range | Unit | Test Method |
|---|---|---|---|
| Appearance | Yellow Transparent Viscous Liquid | -- | -- |
| Acid Value | 5 - 13 | mgKOH/g | GB/T 2895-2008 |
| Viscosity (25℃) | 0.35 - 0.55 | Pa·s | GB/T 7193-2008 |
| Solid Content | 54 - 60 | % | GB/T 7193-2008 |
| Thermal Stability (80°C) | ≥ 24 | h | GB/T 7193-2008 |
| Gel Time (25℃) | 15 - 35 | min | GB/T 7193-2008 |
Note: Gel Time (GT) test system: Accelerator (0.6% Cobalt Naphthenate): 2%; Catalyst (Nouryon M-50): 2%.
Properties
| Inspection Item | Typical Value | Unit | Test Method |
|---|---|---|---|
| Barcol Hardness | 45 | -- | GB/T 3854-2005 |
| Heat Distortion Temp | 102 | ℃ | GB/T 1634-2004 |
| Elongation at Break | 3.2 | % | GB/T 2567-2008 |
| Tensile Strength | 85 | MPa | GB/T 2567-2008 |
| Tensile Modulus | 3400 | MPa | GB/T 2567-2008 |
| Flexural Strength | 125 | MPa | GB/T 2567-2008 |
| Flexural Modulus | 3500 | MPa | GB/T 2567-2008 |
Usage Instructions
1. Composition Note: ALITA 965 resin does not contain wax, accelerators, or thixotropic agents.
2. Structural Layer Application: Specifically recommended for the structural layers of winding pipes, sand-filled pipes, and large storage tanks.
Storage & Handling
- Safety Protection: Always wear protective clothing, chemical-resistant gloves, and goggles during operation; avoid skin and eye contact.
- Temperature Control: Must be stored in a cool indoor place below 25℃ (77℉).
- Environmental Requirements: Keep away from direct sunlight, fire sources, or steam pipes. Outdoor storage is strictly prohibited to prevent moisture ingress and monomer evaporation.
- Inventory Turnover: Follow the "First-In, First-Out" principle to ensure stable storage quality.