Product Name: HS-1520 Unsaturated Polyester Resin
1. Brief Introduction:HS-1520is a premium NPGl type unsaturated polyester resin specifically designed for SMC/BMC applications. It offers high reactivity,
low viscosity, superb coloring, and excellent thickening properties. The finished product boasts a smooth surface,high gloss, superior water and heat resistance, along with outstanding mechanical strength and remarkableelectrical performance. Ideal for use in electrical, industrial, and sanitary parts, as well as vehicle componentsand 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 samples is performed as per GB/T 8237, Curing system: 0.6% Co-Naph: 1.5%,
AKZO M-50: 1.5%;
2) Post-cure process: room temperature for 24h, followed by 60ºC for 3h and 110ºC for 2h.
4. Storage:
Store the product in a cool place below25ºC,away from fire and heat sources,sealed to prevent moisture, monomers, and volatile substances intrusion. Under ambient temperature of 25ºC, the shelf life is 6 months.