Unsaturated Polyester Resin

DS-803N-1

DS-Tianhe Resin Series

Tianhe Dianshi brand DS-803N-1 is a general-purpose isophthalic SMC/BMC unsaturated polyester resin, with high mechanical strength and excellent electrical performance, suitable for long-term use at 155°C, with a heat resistance grade of F. As a matrix material for SMC, it is suitable for pressing products that require high mechanical and electrical performance in civil electrical facilities, road traffic facilities, building materials facilities, rail transit facilities, sports equipment, and more.

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	19-24	GB2895
Viscosity at 25℃	mPa.S	1200-1600	GB7193
Gel Time	min	9-13	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 0.5ml of cobalt octoate solution and 0.5ml 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	75	GB2567
Tensile Modulus	MPa	3000	GB2567
Elongation at break	%	2.5	GB2567
bending strength	MPa	110	GB2567
bending modulus	MPa	3500	GB2567
impact toughness	KJ/m²	10	GB2567
heat distortion temperature	℃	120	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

(Note: The packaging for Tianhe Dianshi brand DS-803N-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 completely applicable to any specific use and reserves the right to modify the information.)

Key words:

803N

808N

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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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