Audited Supplier
Unsaturated Polyester Resin
REL-8318
- REL-8318 is an isophthalic unsaturated polyester resin developed for gel coat base resin;
- Medium reactivity;
- Good mechanical properties;
- Excellent impact resistance and cracking resistance;
- Recommended for gel coat base resin,which good for sanitary product;
PROPERTIES OF UNCURED RESIN(25ºC):
| TEST ITEMS | UNIT | VALUE | METHOD |
| Appearance | --- | Clear, yellowish liquid | GB/T8237.6.1.1 |
| Brookfield viscosity at 25ºC | cp | 750-850 | GB/T7193.4.1 |
| Gel time | min | 6.0-10.0 | GB/T7193.4.6 |
| Acid Value | mgKOH/g | 17.0-23.0 | GB/T2895 |
| Non-Volatile Content | % | 63.0-66.0 | GB/T7193.4.3 |
| APHA Color | -- | ≤100 | 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 | 80 | GB/T2568 |
| Tensile Modulus | MPa | 3000 | GB/T2568 |
| Elongation at Break | % | 7.8 | GB/T2568 |
| Flexural Strength | MPa | 130 | GB/T2570 |
| Flexural Modulus | MPa | 3600 | GB/T2570 |
| Impack Resistance | KJ/M2 | 16.5 | GB/T1451 |
| HDT(1.80 MPa) | ºC | 61 | GB/T1634 |
| Barcol Hardness | --- | 45 | GB/T3854 |
| Water Absorption at 25ºC | % | 0.15 | GB/T1034 |
2)24 hrs at 25ºC,3 hrs at 60ºC,2 hrs at 100ºC
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, but freight are typically the responsibility of the buyer.
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 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 The Product Lead Time?
A: 10 days.
Q:What's Shelf Life of Unsaturated Polyester Resin ?
A: Normally 8 months.
Q:Can I Get a Lower Price for a Large Quantity Order ?
A: Absolutely. The online price serves as a reference, but due to fluctuations in raw material costs, our sales team can provide you with the most accurate and competitive pricing. Before making a purchase, kindly engage with our sales representatives. They will work closely with you, taking into account your order quantity and specific requirements, to ensure you receive the best and most cost-effective pricing tailored to your needs.
