Product Name: HS-1520 Unsaturated Polyester Resin
1. Brief Introduction:HS-1520 is an advanced NPGl type unsaturated polyester resin specifically designed for SMC/BMC applications. This remarkable resin boasts high reactivity,
low viscosity, and superior coloring and thickening properties. Its surface finish is impeccably flat, characterized by a dazzling high gloss, coupled with outstanding water resistance and heat resilience. The resin delivers exemplary mechanical strength and offers exceptional electrical performance, making it ideal for a myriad of applications including electrical components, industrial parts, sanitary fixtures, vehicle components, and numerous other sectors.
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 |
Important 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 |
Important Note:
1) The method for curing is performed as per GB/T 8237 standards. Curing system includes: 0.6% Co-Naph: 1.5%,
AKZO M-50: 1.5%;
2) Post-cure procedure: room temperature for 24h, followed by 60ºC for 3h and then 110ºC for 2h.
4. Storage Guidelines:
To maintain optimal quality, store the product in a cool area not exceeding 25 ºC. Ensure it is kept away from flames, heat sources, and is sealed tightly to prevent exposure to moisture, monomers, and volatile substances. When stored at ambient temperatures of 25 ºC, the product has a shelf life of 6 months.