Unsaturated Polyester Resin

DS-279P

DS-Tianhe Resin Series

Tianhe Dianshi brand DS-279P is a modified unsaturated polyester resin with low viscosity and moderate reactivity. It has excellent fiberglass wetting ability and strong adhesion to acrylic sheets and ABS composite boards, making it particularly suitable for reinforcing the back of products such as acrylic and composite bathtubs.

Liquid Resin Technical Specifications
Item	Unit	Specification	Testing Standard
Appearance		Viscous Liquid	Visual
Color (Pt-Co)			GB7193
Acid Value	mgKOH/g	13-19	GB2895
Viscosity (25℃)	mPa.S	150-250	GB7193
Gel Time	min	8-20	GB7193
Solid Content	%	58-62	GB7193
80℃ Stability	h	≥24	GB7193
Note: Gel time is measured at 25℃ in an air bath with 50g of resin and adding 1ml of MEKP solution.

Resin Casting Performance Indicators (for reference only)
Item	Unit	Specification	Testing Standard
Barcol Hardness	Barcol	32	GB3854
Break Elongation Rate	%	2	GB2567
Tensile Strength	MPa	42	GB2567
Bending Strength	MPa	65	GB2567
Heat Distortion Temperature	℃	60	GB1634.2
Note: Experimental environment temperature is 23±2℃, relative humidity is 50±5%.

Packaging and Storage

Tianhe Dianshi brand DS-279P is packaged in a net weight of 220KG metal drum, with a storage period of six months at 20℃. It should be stored away from direct sunlight and fire 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, 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:

679PT

279P-3

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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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