Principal Properties & Application:
ALITA 7016 resin is an unsaturated polyester resin primarily made from phthalic anhydride. It has a moderate viscosity and high reactivity. ALITA 7016 resin exhibits excellent wetting properties, high reactivity, fast curing, and superior thermal strength. Products made from this resin are resistant to high temperatures, have a high heat deflection temperature, excellent mechanical properties, good toughness, high modulus,
and high hardness. It is suitable for high-speed extrusion processes.
Liquid resin technical indicators:
| Item | Scope | Unit | Test Method |
| Exterior | transparent yellowish 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°C | ≥24 | h | GB/T 7193-2008 |
| SPI-GT, 82.2°C | 5-10 | min | GB/T 7193-2008 |
Note: When testing the cure performance of SPI (Structural Polyurethane Injection) system, the curing agent used is Enox BPO-50F with a dosage of 2%.
Physical properties of the casting (for reference only):
| Project | Typical Value | Unit | Test Method |
| Exterior | Casting without defects | - | - |
| Barcol hardness | 42 | - | GB/T 3854-2005 |
| Heat distortion temperature | 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 |
| Bending strength | 128 | Mpa | GB/T 2567-2008 |
| Flexural modulus of elasticity | 3500 | Mpa | GB/T 2567-2008 |
Note: The method of producing the casting body shall be carried out in accordance with standard Q/320411 BES002-2014.
Usage instructions:
1. The ALITA 7016 resin does not contain wax, promoters, or thixotropic agents.
2. For the curing system in the extrusion process, it is recommended to use BPO curing agent at a concentration of 0.5-2.0% and TBPB curing agent at a concentration of 0.5-1.5%. The actual selection should be based on specific equipment, products, process temperature, extrusion speed, and other factors. To reduce shrinkage when producing thick-walled products, it is advisable to add low-shrinkage additives.
3. For applications requiring higher heat resistance and resistance to seawater, it is recommended to choose ALITA 239 resin, which is a benzene-based resin. For applications requiring higher anti-corrosion performance, it is recommended to choose ALITA 901 resin, which is an epoxy vinyl-based resin.
Handling and Storage:
This resin contains ingredients which could be harmful if mishandled. Contact with skin and eyes should be avoided and necessary protective equipment and clothing should be worn.
Drums - It is highly recommended that all material is stored at stable temperatures below 25°C (77°F). Avoid exposure to heat sources such as direct sunlight or steam pipes. To avoid contamination of product with water, do not store outdoors. Keep sealed to prevent moisture pick-up and monomer loss. Rotate stock.
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