Unsaturated Polyester Resin

DS-320

DS-Tianhe Resin Series

Description:

DS-320 is an orthophthalic unsaturated polyester resin. This resin has good wettability with glass fiber, low curing shrinkage, good toughness, and high mechanical strength. It is suitable for FRP sheet production using molding processes such as spraying and continuous impregnation. Its fiberglass flat sheets have good mechanical strength and high flatness, and are widely used in the manufacture of composite material carriages.

Technical Indexes of Liquid Resin
Item	Unit	Value	Standard
Appearance		transparent liquid
Acid Value	mgKOH/g	13-20	GB2895
Viscosity(25℃)	mPa.S	180-300	GB7193
Gel Time	min	12-22	GB7193
Non-Volatile	%	60-64	GB7193
Thermal Stability(80℃)	h	≥24	GB7193
Note: Gel Time is based on 25°C in air bath, 0.5ml cobalt isoctanoate solution and 0.5 ml MEKP solution were added into 50 g resin.

Performance Indexes of Resin Casting Substance
Item	Unit	Value	Standard
Barcol hardness≥	Barcol	40	GB3854
Tensile strength ≥	MPa	60	GB2567
Tensile modulus ≥	MPa	2500	GB2567
Elongation at break≥	%	3.5	GB2567
Flexural strength≥	MPa	80	GB2567
Flexural modulus≥	MPa	2500	GB2567
Impact strength≥	KJ/m2	7.0	GB2567
H.D.T ≥	℃	70	GB1634.2
Note: Experimental ambient temperature: 23±2℃; relative humidity: 50±5%

Package and Recommended Storage:

DS-320: Packed in metal drum of 220KGS Net weight with shelf life of 6 months at 20℃ at ventilated places, avoiding direct sunlight and heat or fire.

Note: The data were tested according to GB standard. Influenced by many factors in the process of fabrication, necessary researches by user are not exclusive. Legally, no warranties for some performances of product are applicable to one specific use and the rights to amend the materials are reserved.

Key words:

168N-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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