Customization: | Available |
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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.