Product Name: HS-1520 Unsaturated Polyester Resin
1. Brief Introduction:HS-1520 is an NPGl type unsaturated polyester resin designed specifically for SMC/BMC applications. It boasts high reactivity,
low viscosity, and exceptional coloring and thickening properties. The product surface is flawlessly smooth, featuring a high gloss finish, outstanding water resistance, superb heat resistance, superior mechanical strength, and excellent electrical performance. Ideal for use in electrical parts, industrial components, sanitary fixtures, vehicle parts, and a variety of other applications.
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 standards. Curing system: 0.6% Co-Naph, 1.5%
AKZO M-50, 1.5%.
2) Post-cure process: 24 hours at room temperature followed by 3 hours at 60ºC and 2 hours at 110ºC.
4. Storage:
Store the product in a cool, dry place, maintaining a temperature below 25 ºC, away from fire and heat sources. Seal containers to prevent moisture, monomer, and volatile substance ingress. Under these conditions, the shelf life is 6 months.