Product Name: HS-1520 Unsaturated Polyester Resin
1. Brief Introduction:HS-1520 is a premium NPG-type unsaturated polyester resin specifically designed for SMC/BMC applications. It boasts high reactivity,
low viscosity, and exceptional coloring and thickening properties. The resulting product surface is impeccably smooth, withhigh gloss, superior water resistance, and outstanding heat resistance. Additionally, it offers remarkable mechanical strength and excellentelectrical performance. Ideal for use in electrical parts, industrial components, sanitary fixtures, automotive parts, and a myriad of other fields.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 curing performed as per 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 location under25 ºC,away from open flames, heat sources,and sealed to prevent intrusion by moisture, monomers, and volatile substances. When stored at an ambient temperature of 25 ºC, the shelf life extends to 6 months.
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