high-quality unsaturated polyester marine resin gel coat used for boat and ship

• 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-1520 is a high-performance NPGl type unsaturated polyester resin specifically designed for SMC/BMC applications. It boasts high reactivity,
low viscosity, and exceptional coloring and thickening properties. The end product features a smooth surface with remarkable high gloss, superb water and heat resistance, enhanced mechanical strength, and excellent electrical performance. This resin is ideal for use in electrical parts, industrial components, sanitary products, vehicle parts, and numerous other 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
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) Preparation method for cured resin adheres to GB/T 8237 standards, with the following curing system: 0.6% Co-Naph: 1.5%,
AKZO M-50: 1.5%;
2) Post-curing process: 24 hours at room temperature followed by 3 hours at 60ºC and 2 hours at 110ºC.

4. Storage:
This product should be stored in a cool location, ideally below 25 ºC, and kept away from fires, heat sources, and should be properly sealed to prevent moisture, monomers, and volatile substances from entering. When stored correctly at ambient temperature of 25 ºC, the shelf life is guaranteed for 6 months.

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