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,
low viscosity, good coloring and thickening properties. The surface of the product is flat, with high gloss, excellent water resistance and heat resistance, high mechanical strength and good electrical performance. It is applicable to electrical parts, industrial parts, sanitary parts, vehicle parts and other fields.
2.Technical Data Sheet for Liquid Resin:
| 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 |
Note:
SPI:2% BPO paste.
3. Physical Properties of Casting(for reference only):
| 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 |
Note:
1) Method for making of cured performed as GB/T 8237, Curing system:0.6% Co-Naph: 1.5%,
AKZO M-50: 1.5%;
2) Post-cure: room temperature×24h+60ºC×3h+110ºC×2h.
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.
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