Product Name: HS-1520 Unsaturated Polyester Resin
1. Brief Introduction:HS-1520is a top-tier NPGl type unsaturated polyester resin specifically designed for SMC/BMC applications. This resin boasts exceptional reactivity,
low viscosity, outstanding coloring, and superior thickening properties. The end product exhibits a remarkably smooth surface withhigh gloss, superior water resistance, excellent heat resistance, impressive mechanical strength, and exceptionalelectrical performance. This makes it ideal for use in electrical components, industrial parts, sanitary fixtures, automotiveparts, and various 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 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:
This product should be stored in a cool, dry place under25ºC, away from open flames, heat sources,and should be sealed to prevent moisture, monomer, and volatile substance intrusion. For extended storage at ambient temperatures up to 25ºC, the shelf life is 6 months.
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