Product Name: HS-1520 Unsaturated Polyester Resin
1. Brief Introduction:HS-1520 is a top-tier NPG type unsaturated polyester resin specifically designed for SMC/BMC applications. This high-reactivity resin stands out with its impressive characteristics, including
low viscosity, exceptional coloring, and superior thickening properties. The resultant product surface is impeccably smooth, boasting a high-gloss finish. It offers outstanding water and heat resistance, remarkable mechanical strength, and superior electrical performance. Ideal for use in electrical components, industrial parts, sanitary ware, vehicle components, and numerous 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) Curing method as per GB/T 8237, Curing system: 0.6% Co-Naph: 1.5%,
AKZO M-50: 1.5%;
2) Post-cure: room temperature for 24h + 60ºC for 3h + 110ºC for 2h.
4. Storage:
This product should be stored in a cool area, under 25 ºC, away from flames, heat sources, and tightly sealed to prevent moisture, monomer, and volatile substance infiltration. Under ambient storage conditions of 25 ºC, the shelf life extends up to 6 months.