| Customization: | Available |
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| Molecular Principal Chain: | Carbon Chain Polymer |
| Color: | Light Yellow Transparent Liquid |
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Discover HS-902C Unsaturated Polyester Resin by Changzhou Huake Polymers Co., Ltd. - a top-notch SMC Door Resin Manufacturer.
HS-902C is a high-quality orthophthalic unsaturated polyester resin, specially formulated for SMC/BMC applications. This resin, developed by Changzhou Huake Polymers Co., Ltd., offers exceptional reactivity, moderate viscosity, and excellent thickening stability. As a result, products made with this resin exhibit superior heat resistance and mechanical properties, making it ideal for use in electrical, industrial equipment, automotive parts, and other SMC/BMC production.
| Item | Standard Requirements | Test Method |
| Appearance | Light yellow transparent liquid | GB/T 8237.6.1.1 |
| Viscosity(25ºC, cP) | 1200-1800 | GB/T 7193.4.1 |
| SPI-GT(82.2ºC, min) | 6.0-10.0 | HK-D-DB001 |
| SPI-CT (min) | 7.5-12.5 | HK-D-DB001 |
| SPI-PET(ºC) | 220-250 | HK-D-DB001 |
| Acid value (mgKOH/g) | 15.0-20.0 | GB/T 2895 |
| Solid content (%) | 63.5-66.5 | GB/T 7193.4.3 |
| Color number | ≤5 | HK-D-DB036 |
| Water content(%) | ≤0.1 | HK-D-DB007 |
Discover the curing system in SPI testing with AKZO CH-50 hardener at 2%. Explore the physical properties of casting for reference.
| Item | Unit | Test Value | Test Method |
| Tensile Strength | MPa | 65 | GB/T 2568 |
| Tensile Modulus | MPa | 3000 | GB/T 2568 |
| Breaking Elongation | % | 2.5 | GB/T 2568 |
| Flexural Strength | MPa | 110 | GB/T 2570 |
| Flexural Modulus | MPa | 3300 | GB/T 2570 |
| HDT | ºC | 122 | GB/T 1634 |
| Hardness(Barcol934-1) | -- | 47 | GB/T 3854 |
Company Name: Changzhou Huake Polymers Co., Ltd.
Product Name: Casting Material
Specifications: GB/T8237-2005
Curing System: Accelerator KC (0.6% Co/Naph) - 1.0%; Hardener AKZO M-50 - 1%
Post Curing: RT×24hrs + 60ºC×3hrs + 110ºC×2hrs
Storage:
Transportation:
Our Unsaturated Polyester Resin is manufactured in our 48,800 square meters factory in Jiangsu Province, China. We offer a free 1kg sample, with freight costs borne by the buyer. Our company provides OEM/ODM services and custom formulations tailored to your project needs. With certifications including CCS, RoHS, REACH, EMS, and QMS, our resin meets high-quality standards.
We offer Delivery Duty Paid (DDP) services for samples and sea or land transportation for bulk orders. The product lead time is 15 days, and the shelf life of our Unsaturated Polyester Resin is normally 6 months. Contact our sales team for competitive pricing based on your order quantity and requirements.
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