Unsaturated Polyester Resin

DS-828N-1

DS-Tianhe Resin Series

Tianhe Dianshi brand DS-828N-1 is a precision paraffin-type BMC unsaturated polyester resin, characterized by high cost performance, high viscosity, high reactivity, high gloss, good heat resistance, and good electrical properties. It is widely used in the fields of electrical components and industrial and civilian equipment where performance requirements for molded products are high.

Liquid Resin Technical Specifications
Item	Unit	Specification	Testing Standard
Appearance		Light yellow transparent liquid	Visual
Color (Pt-Co)		40-60	GB7193
Acid Value	mgKOH/g	12-16	GB2895
Viscosity at 25℃	mPa.S	2000-2400	GB7193
Gel Time	min	6-10	GB7193
Solid Content	%	65-68	GB7193
80℃ Stability	h	≥24	GB7193
Note: Gel time is measured at a temperature of 25℃ with an air bath, adding 0.75ml of cobalt octoate solution and 0.75ml of MEKP solution to 50g of resin.

Resin Casting Body Performance Indicators (for reference only)
Item	Unit	Specification	Testing Standard
Barcol Hardness	Barcol	40	GB3854
Tensile Strength	MPa	60	GB2567
Tensile Modulus	MPa	3000	GB2567
Break Elongation Rate	%	2.0	GB2567
Bending Strength	MPa	90	GB2567
Bending Modulus	MPa	3000	GB2567
Impact Toughness	KJ/m²	8	GB2567
Heat Distortion Temperature	(℃)	130	GB1634.2
*Note: (1) Casting body sample preparation method: follow GB/T8237-2005; (2) Post-processing method for casting body: Room temperature/24 hours +40℃/1 hour +90℃/3 hours; (3) Experimental environment temperature: 23±2℃, relative humidity: 50±5%.

*Packaging and Storage*

*The packaging of Tianhe Dianshi brand DS-828N-1 is a net weight of 220KG metal drum, with a storage period of six months at a temperature of 20℃. Higher temperatures will shorten the storage period accordingly. It should be stored in a cool, ventilated place, avoiding direct sunlight and keeping away from heat sources. This product is flammable and should be kept away from open flames.*

*Note: This data is determined according to national standards (GB). Due to various factors affecting the processing process, it does not exclude the necessity for users to conduct their own experimental research. Legally, it does not guarantee that certain product performances are fully applicable to any specific use and reserves the right to modify the information.*

Key words:

822N

830N

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Shanghai Xintianhe Resin Co., Ltd.

Address: Room 502, Building 23, Science and Technology Oasis, 1999 Yishan Road, Minhang District, Shanghai

National unified hotline: 400-820-9698

Telephone: 86-21-57485068 / +86 13917508287 (Sales Department)

E-mail: service@chinaresins.com

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