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| Customization: | Available |
|---|---|
| Molecular Principal Chain: | Carbon Chain Polymer |
| Color: | Light Yellow Slightly Turbid Liquid |
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Product Name: HS-1520 Unsaturated Polyester Resin
1. Brief Introduction:HS-1520 is a NPGl type unsaturated polyester resin for SMC / BMC. It has high reactivity,| Item | Unit | Standard Requirements | Test Method |
| Appearance | --- | Light yellow slightly turbid liquid | GB/T 8237.6.1.1 |
| Viscosity | 25ºC,mPa.s | 600-800 | GB/T 7193.4.1 |
| SPI-GT | min | 6.0-8.0 | HK-D-DB001 |
| SPI-CT | min | 7.0-10.0 | HK-D-DB001 |
| SPI-PET | ºC | 240-260 | HK-D-DB001 |
| Acidvalue | mgKOH/g | 12.5-15.5 | GB/T 2895 |
| Solidcontent | % | 59.0-63.0 | GB/T7193.4.3 |
| Watercontent | % | ≤0.08 | HK-D-DB007 |
| Colorcode | --- | ≤35 | HK-D-DB036 |
| Item | Unit | Series Test Value | Test Method |
| Tensile strength | MPa | 50 | GB/T 2568 |
| Tensile modulus | MPa | 3000 | GB/T 2568 |
| Tensile elongaton | % | 1.5 | GB/T 2568 |
| Flexural strength | MPa | 100 | GB/T 2570 |
| Flexural modulus | MPa | 3300 | GB/T 2570 |
| Impact toughness | kJ/m2 | 8.5 | GB/T 2571 |
| HDT | ºC | 130 | GB/T 1634 |
| Barcol hardness | -- | 48 | GB/T 3854 |
4. Storage:
The product should be stored in a cool place under 25 ºC, away from fires, heat source, and sealed to prevent the intrusion of moisture, monomers, and volatile substances. For long-term storage under the ambient temperature of 25 ºC , the shelf life is 6 months.
