Top-Notch SMC Door Resin Material Manufacturer

• Molecular Principal Chain: Carbon Chain Polymer
• Color: Light Yellow Transparent Liquid
• Viscosity 25°c: 1200-1800MPa.S
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: HS-902C
• SPI-GT: 6.0-10.0min
• Spi-CT: 7.5-12.5min
• SPI-PET(ºC): 220-250
• Acid Value: 15-20mgkoh/G
• Solid Content: 63.5-66.5%
• Color Number: ≤5
• Water content(%): ≤0.1
• Transport Package: IBC Tank/Drum
• Specification: Ortho type
• Trademark: Xinshen/Huake
• Origin: Jiangsu, China
• HS Code: 3907910000
• Production Capacity: 100000 Ton/Year

Product Description

Product Description

Discover HS-902C Unsaturated Polyester Resin by Changzhou Huake Polymers Co., Ltd. - a top-notch SMC Door Resin Manufacturer.

1. Brief Introduction:

Product Description:

HS-902C is a high-quality orthophthalic unsaturated polyester resin, specially formulated for SMC/BMC applications. This resin, developed by Changzhou Huake Polymers Co., Ltd., offers exceptional reactivity, moderate viscosity, and excellent thickening stability. As a result, products made with this resin exhibit superior heat resistance and mechanical properties, making it ideal for use in electrical, industrial equipment, automotive parts, and other SMC/BMC production.

Technical Data Sheet for Liquid Resin:

Item	Standard Requirements	Test Method
Appearance	Light yellow transparent liquid	GB/T 8237.6.1.1
Viscosity(25ºC, cP)	1200-1800	GB/T 7193.4.1
SPI-GT(82.2ºC, min)	6.0-10.0	HK-D-DB001
SPI-CT (min)	7.5-12.5	HK-D-DB001
SPI-PET(ºC)	220-250	HK-D-DB001
Acid value (mgKOH/g)	15.0-20.0	GB/T 2895
Solid content (%)	63.5-66.5	GB/T 7193.4.3
Color number	≤5	HK-D-DB036
Water content(%)	≤0.1	HK-D-DB007

Discover the curing system in SPI testing with AKZO CH-50 hardener at 2%. Explore the physical properties of casting for reference.

Item	Unit	Test Value	Test Method
Tensile Strength	MPa	65	GB/T 2568
Tensile Modulus	MPa	3000	GB/T 2568
Breaking Elongation	%	2.5	GB/T 2568
Flexural Strength	MPa	110	GB/T 2570
Flexural Modulus	MPa	3300	GB/T 2570
HDT	ºC	122	GB/T 1634
Hardness(Barcol934-1)	--	47	GB/T 3854

Product Description

Company Name: Changzhou Huake Polymers Co., Ltd.

Product Name: Casting Material

Specifications: GB/T8237-2005

Curing System: Accelerator KC (0.6% Co/Naph) - 1.0%; Hardener AKZO M-50 - 1%

Post Curing: RT×24hrs + 60ºC×3hrs + 110ºC×2hrs

Storage:

• Avoid exposure to heat sources like direct sunlight or steam pipes.


• Store in a dry place at temperatures below 25ºC.


• Keep sealed to prevent moisture pick-up and monomer loss.

Transportation:

• Comply with State Council "Chemistry Dangerous Articles Safety Management Regulations."


• Due to containing styrene monomer, handle with care as it is hazardous and inflammable.

Packaging & Shipping

Application

Certifications

FAQ

Changzhou Huake Polymers Co., Ltd.

Unsaturated Polyester Resin

Our Unsaturated Polyester Resin is manufactured in our 48,800 square meters factory in Jiangsu Province, China. We offer a free 1kg sample, with freight costs borne by the buyer. Our company provides OEM/ODM services and custom formulations tailored to your project needs. With certifications including CCS, RoHS, REACH, EMS, and QMS, our resin meets high-quality standards.

We offer Delivery Duty Paid (DDP) services for samples and sea or land transportation for bulk orders. The product lead time is 15 days, and the shelf life of our Unsaturated Polyester Resin is normally 6 months. Contact our sales team for competitive pricing based on your order quantity and requirements.