SMC BMC Unsaturated Polyester Resin HS 1520 for High Gloss and Durability

• Customization: Available
• Molecular Principal Chain: Carbon Chain Polymer
• Color: Light Yellow Slightly Turbid Liquid
• Model NO.: HS-1520
• Viscosity 25°c: 600-800MPa.S
• Acid Value: 12.5-15.5mgkoh/G
• Solid Content: 59.0-63.0%
• Spi-Gt: 6.0-8.0min
• Spi-CT: 7.0-10.0min
• Water Content: ≤0.08%
• Color Code: ≤35
• Transport Package: IBC Tank
• 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-1520is an NPGl type unsaturated polyester resin specifically formulated for SMC/BMC applications. Exhibiting high reactivity,
low viscosity, and superior coloring and thickening properties, this resin ensures a smooth and high-gloss finish. It boasts excellent water and heat resistance, remarkable mechanical strength, and superior electrical performance, making it ideal for use in electrical components, industrial parts, sanitary applications, vehicle components, and various 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

 

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 preparing the cured specimen follows GB/T 8237 standards. Curing system: 0.6% Co-Naph: 1.5%,
AKZO M-50: 1.5%;
2) Post-cure: room temperature for 24h, followed by 60ºC for 3h and 110ºC for 2h.

4. Storage:
Store the product in a cool place keeping the temperature under 25 ºC.Keep it away from fire, heat sources, and ensure it is sealed to prevent the intrusion of moisture, monomers, and other volatile substances. Under controlled conditions of 25 ºC, the product maintains a shelf life of six months.

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