Audited Supplier
- REL-8305 is an isophthalic /NPG unsaturated polyester resin developed for gel coat base resin;
- Excellent transparency, long-term water resistance, weather resistance, toughness and high overall mechanical strength.
- Gel coat base resin for artificial marble, sanitary ware and furniture;
- Gel coat base resin for boats, swimming pools and fan blades.
PROPERTIES OF UNCURED RESIN(25ºC):
| TEST ITEMS | UNIT | VALUE | METHOD |
| Appearance | --- | Clear, yellowish liquid | GB/T8237.6.1.1 |
| Brookfield viscosity | cp | 800-1000 | GB/T7193.4.1 |
| Gel time | min | 6.0-10.0 | GB/T7193.4.6 |
| Acid Value | mgKOH/g | 9.0-14.0 | GB/T2895 |
| Non-Volatile Content | % | 63.0-67.0 | GB/T7193.4.3 |
| Color(Gardner) | -- | ≤1.5 | GB/T605 |
*Gel time test: 0.6Co/naph:2%+ AKZO M-50:2%
PROPERTIES OF CURED RESIN:
| TEST ITEMS | UNIT | VALUE | METHOD |
| Tensile Strength | MPa | 75 | GB/T2568 |
| Tensile Modulus | MPa | 3100 | GB/T2568 |
| Elongation at Break | % | 4.5 | GB/T2568 |
| Flexural Strength | MPa | 130 | GB/T2570 |
| Flexural Modulus | MPa | 3500 | GB/T2570 |
| Impack Resistance | KJ/M | 13.5 | GB/T1451 |
| HDT(1.80 MPa) | ºC | 85 | GB/T1634 |
| Barcol Hardness | --- | 48 | GB/T3854 |
| Water Absorption at 25ºC | % | 0.125 | GB/T1034 |
*Curing schedule:1)0.6Co/naph:1.5%+ AKZO M-50:1.5%
2)24 hrs at 25ºC,3 hrs at 60ºC,2 hrs at 100ºC
- Excellent transparency,
- Long-term water resistance,
- Weather resistance,
- Toughness and high overall mechanical strength.
Stored at temperatures below 25ºC.Storage life decreases with increasing storage temperature. Avoid exposure to heat such as direct sunlight or steam pipes. To avoid contamination of the product with water, do not store outdoors. Keep sealed to prevent moisture pick-up and monomer loss. Mild mixing is recommended after prolonged storage. Rotate stock.
Q: Can I Request a Sample of Unsaturated Polyester Resin?
A: Yes,we can provide 10kg of resin as a free sample.
Q: Do you have OEM/ODM service?
A: Yes, we are highly flexible in offering OEM/ODM services.
Q: Can I Customize the Formulation of Unsaturated Polyester Resin for My Project?
A: Yes, absolutely. We understand that different projects may have unique requirements. Our R & D department is well-equipped to handle custom formulations based on your specific needs. You can provide us with the details of your project, including any specific characteristics or performance criteria you are looking for, and our experts will work on tailoring a formulation that meets your requirements.
Q: How Do I Choose the Right Unsaturated Polyester Resin for My Application?
A: We would provide guidance on selecting the appropriate UPR based on different project requirements.
Q: What is The Product Lead Time?
A: 10 days.
Q:What's Shelf Life of Unsaturated Polyester Resin ?
A: Normally 8 months.
Q: What Certifications and Quality Standards Does Your Unsaturated Polyester Resin Meet?
A: Our Unsaturated Polyester Resin meets CCS, RoHS, REACH, EMS, and QMS certifications and quality standards.
Q: What is Your Company's International Transportation Form?
A: For samples, we offer Delivery Duty Paid (DDP) services for most of the countries. This means that we handle the delivery process, including the payment of taxes, and you won't be required to manage customs clearance. For bulk orders, we normally transported by sea or land. Our commitment is to ensure the secure and efficient delivery of our products to your specified destination.
