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Pultrusion Resin/
Overview
ALITA 7016 Orthophthalic UPR (High Speed Extrusion / Pultrusion Special)
Category：Pultrusion ResinCode：ALITA 7016
Applications
ALITA 7016 is an unsaturated polyester resin based on phthalic anhydride, specifically designed for high-speed production processes.
- Process Features: Exhibits medium viscosity and high reactivity. Its excellent wetting performance and fast curing capability make it ideal for high-speed pultrusion / extrusion processes.
- Physical Advantages:
- High Thermal Strength: Possesses a high heat distortion temperature (HDT), offering excellent high-temperature performance.
- Excellent Mechanical Properties: The finished product combines high modulus, high hardness, and good toughness.
- Dimensional Stability: Resistant to deformation even under high-stress environments.
Specifications
| Inspection Items | Specification Range | Unit | Test Method |
|---|---|---|---|
| Appearance | Yellow transparent liquid | -- | -- |
| Acid Value | 16 - 27 | mgKOH/g | GB/T 2895-2008 |
| Viscosity (25℃) | 0.5 - 0.7 | Pa·s | GB/T 7193-2008 |
| Solid Content | 60 - 65 | % | GB/T 7193-2008 |
| Thermal Stability (80℃) | ≥ 24 | h | GB/T 7193-2008 |
| SPI-GT (82.2℃) | 5 - 10 | min | GB/T 7193-2008 |
Note: SPI curing performance test uses 2% Enox BPO-50F curing agent.
Properties
| Inspection Items | Typical Value | Unit | Test Method |
|---|---|---|---|
| Barcol Hardness | ≥ 42 | -- | GB/T 3854-2005 |
| Heat Distortion Temp (HDT) | 78 | ℃ | GB/T 1634-2004 |
| Elongation at Break | 2.97 | % | GB/T 2567-2008 |
| Tensile Strength | 62 | MPa | GB/T 2567-2008 |
| Tensile Modulus | 3400 | MPa | GB/T 2567-2008 |
| Flexural Strength | 128 | MPa | GB/T 2567-2008 |
| Flexural Modulus | 3500 | MPa | GB/T 2567-2008 |
Experimental Notes: Cast body production follows Q/320411 BES002-2014.
Usage Instructions
1. Composition: ALITA 7016 resin does not contain wax, accelerators, or thixotropic agents.
2. Recommended Curing System:
- BPO Curing Agent: 0.5 - 2.0%
- TBPB Curing Agent: 0.5 - 1.5%
- Actual ratios should be dynamically adjusted based on equipment model, profile specifications, mold temperature, and production speed.
3. Shrinkage Control: When manufacturing thick-walled products, it is recommended to add low-shrinkage additives to reduce internal stress and prevent cracking.
4. Selection Guidance:
- For higher heat or seawater resistance, Isophthalic ALITA 239 is recommended.
- For higher chemical corrosion resistance, Epoxy Vinyl Ester ALITA 901 is recommended.
Storage & Handling
- Safety Warning: Contains active monomers; avoid skin and eye contact. Wear protective clothing, gloves, and personal protective equipment.
- Temperature Environment: Strongly recommended to store in a cool, dry place below 25℃ (77℉).
- Environmental Isolation: Keep away from direct sunlight, open flames, or heat sources like steam pipes. Outdoor storage is strictly prohibited to prevent moisture contamination.
- Inventory Management: Keep containers sealed; prevent moisture absorption and monomer evaporation. Follow the "First-In, First-Out" principle for stock rotation.