HS-2229 Unsaturated Polyester Resin
Principal Properties & Application:HS-2229 is an unsaturated polyester resin used for SMC/BMC, primarily made from isophthalic acid and neopentyl glycol. It has high reactivity and thickening properties. It is used for injection molding/compression molding of BMC and SMC sheets, resulting in products with high mechanical strength, good electrical properties, and excellent heat and chemical resistance. Applications include electrical components, industrial equipment, and other fields.
Specifications of liquid resin:
| Item |
Unit |
Specification |
Test Method |
| Appearance |
--- |
Pale yellow transparent liquid |
GB/T 8237.6.1.1 |
| Viscosity |
25ºC , mPa.s |
2500-3000 |
GB/T 7193.4.1 |
| SPI-GT |
min |
4.0-7.0 |
HK-D-DB001 |
| SPI-CT |
min |
5.0-9.0 |
HK-D-DB001 |
| SPI-PET |
ºC |
225-255 |
HK-D-DB001 |
| Acid Value |
mgKOH/g |
10.5-15.5 |
GB/T 2895 |
| Solid Content |
% |
60.5-64.5 |
GB/T 7193.4.3 |
| Water Content |
% |
<0.125 |
HK-D-DB007 |
| Color Number |
--- |
≤140 |
HK-D-DB036 |
Note: SPI: CH-50 2%.
Physical properties of Casting(for reference only):
| Item |
Unit |
Measured Value |
Test Method |
| Tensile strength |
MPa |
66 |
GB/T 2568 |
| Tensile Modulus |
MPa |
3100 |
GB/T 2568 |
| Elongation at Break |
% |
2.5 |
GB/T 2568 |
| Flexural Strength |
MPa |
118 |
GB/T 2570 |
| Flexural Modulus |
MPa |
3300 |
GB/T 2570 |
| Impact Strength |
kJ/m2 |
12.5 |
GB/T 2571 |
| Barcol Hardness |
--- |
47 |
GB/T 3854 |
| HDT |
ºC |
125 |
GB/T 1634 |
Note:
- The cast body sample preparation method follows GB/T 8237, curing system: 0.6% Co-Naph, 1% AKZO M-50;
- Post-casting curing treatment: Room temperature for 24 hours + 60°C for 3 hours + 110°C for 2 hours. Attention:
- The transportation of the product should comply with the regulations outlined in Chapter 5 of the State Council's "Regulations on the Safety Management of Hazardous Chemicals," which deals with the transportation and handling of hazardous chemicals.The product should be stored in a cool, dry place below 25°C, away from sources of fire, heat, and sunlight. It should be kept tightly sealed to prevent moisture infiltration and the evaporation of monomers. The shelf life of the product is 3 months when stored below 25°C..
Packaging & Shipping
Application
Certifications
FAQ
Q: Is Your Company a Manufacturer?
A: Yes, indeed.We have 48,800 square meters factory located in Jiangsu Province, China.
Q: Can I Request a Sample of Unsaturated Polyester Resin?
A: Yes,we can provide 1kg of resin as a free sample, but freight are typically the responsibility of the buyer.
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 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.
Q: What is The Product Lead Time?
A: 15 days.
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.
Q:What's Shelf Life of Unsaturated Polyester Resin ?
A: Normally 6 months.
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