Unsaturated Polyester Resin

DS-854N

DS-Tianhe Resin Series

Tianhe Dianshi brand DS-854N is a general-purpose ortho-phthalic SMC/BMC unsaturated polyester resin, characterized by thickening stability, high mechanical strength, and good toughness. It is widely used in fields requiring high toughness, general product gloss, and low cost for large-area ordinary molded products such as automotive pressing, rail transportation, electrical components, building facilities, and industrial and civilian equipment.

Liquid Resin Technical Indicators
Item	Unit	Indicator	Testing Standard
Appearance		Light yellow transparent liquid	Visual
Color (Pt-Co)		40-60	GB7193
Acid Value	mgKOH/g	16-20	GB2895
Viscosity at 25℃	mPa.S	1300-1700	GB7193
Gel Time	min	3-7	GB7193
Solid Content	%	65-68	GB7193
80℃ Stability	h	≥24	GB7193
Note: Gel time is measured at a temperature of 25℃ in an air bath with the addition of 1ml of cobalt octoate solution and 1ml of MEKP solution to 50g of resin.

Resin Casting Body Performance Indicators (for reference only)
Item	Unit	Indicator	Testing Standard
Barcol Hardness	Barcol	40	GB3854
Tensile Strength	MPa	60	GB2567
Tensile Modulus	MPa	2500	GB2567
Break Elongation Rate	%	4.0	GB2567
Bending Strength	MPa	90	GB2567
Bending Modulus	MPa	3000	GB2567
Impact Toughness	KJ/m²	12	GB2567
Heat Distortion Temperature	(℃)	110	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-854N is a net weight of 220KG metal drum. The storage period at a temperature of 20℃ is six months. Higher temperatures will shorten the storage period accordingly. It should be stored in a cool, ventilated place away from direct sunlight and 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 completely applicable to a specific use and reserves the right to modify the information.*

Key words:

851N

851N-13

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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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