SMC Resin for Automotive Headlight Support with High-Strength Carbon Fiber Materials

• Customization: Available
• Molecular Principal Chain: Carbon Chain Polymer
• Color: Light Yellow Transparent Liquid
• Model NO.: HS-1520
• Viscosity 25°c: 600-800mPa.S
• Solid Content: 12.5-15.5mgKOH/g
• SPI-GT: 6.0-8.0min
• SPI-CT: 7.0-10.0min
• SPI-PET: 240-260ºC
• Water Content: ≤0.08%
• Transport Package: IBC Tank/Drum
• Specification: NPGl type
• Trademark: Xinshen/Huake
• Origin: Jiangsu, China
• HS Code: 3907910000
• Production Capacity: 100000 Ton/Year

Product Description

Product Description

Product Name: HS-1520 Unsaturated Polyester Resin

1. Brief Introduction:HS-1520 is an exceptional NPGl-type unsaturated polyester resin, meticulously engineered for SMC/BMC applications.It offers high reactivity, low viscosity, and superior coloring and thickening properties.The product’s surface is impeccably smooth, delivering a high-gloss finish that significantly enhances the final product’s aesthetic appeal.Boasting outstanding water resistance, heat resistance, high mechanical strength, and excellent electrical performance,HS-1520 is extensively utilized in the automotive industry.Components crafted with this resin technology yield carbon fiber SMC structural composites with remarkable mechanical properties. Benefits include mass reduction, low tooling costs, noise reduction, and exceptional heat and corrosion resistance—makingHS-1520 resin system ideal for structural 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
Acid Value	mgKOH/g	12.5-15.5	GB/T 2895
Solid Content	%	59.0-63.0	GB/T 7193.4.3
Water Content	%	≤0.08	HK-D-DB007
Color Code	---	≤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/m^2	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, 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:
Store the product in a cool area below25 ºC, away from flames, heat sources,and ensure it is sealed to prevent moisture, monomer, and volatile substance intrusion. For long-term storage at ambient temperature under 25 ºC, the shelf life is 6 months.

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