Unsaturated Polyester Resin

DS-125P-1

DS-Tianhe Resin Series

Tianhe Dingshi brand DS-125P-1 resin is a pre-promoted unsaturated polyester resin. This resin has good fiberglass wetting properties, low exothermic heat, minimal shrinkage deformation, good processing performance, and high mechanical strength, making it suitable for RTM molding processes.

Liquid Resin Technical Specifications
Item	Unit	Specification	Testing Standard
Appearance		Slightly red viscous liquid	Visual
Acid Value	mgKOH/g	21-27	GB2895
Viscosity (25℃)	mPa.S	165-275	GB7193
Gel Time	min	14-26	GB7193
Solid Content	%	57-63	GB7193
80℃ Stability	h	≥24	GB7193
Note: Gel time is measured at a temperature of 25℃ in an air bath with 50g of resin and adding 0.5ml of MEKP solution.

Resin Casting Body Performance Indicators (for reference only)
Item	Unit	Specification	Testing Standard
Barcol Hardness	Barcol	40	GB3854
Tensile Strength	MPa	60	GB2567
Tensile Elastic Modulus	MPa	3000	GB2567
Break Elongation Rate	%	2.0	GB2567
Bending Strength	MPa	100	GB2567
Tensile Elastic Modulus	MPa	3100	GB2567
Impact Toughness	KJ/m²	3.0	GB2567
Heat Distortion Temperature	(℃)	60	GB1634.2
Note: Experimental environment temperature is maintained at 23±2℃ with relative humidity of 50±5%.

Packaging and Storage

The packaging for Tianhe Dingshi brand DS-125P-1 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, 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:

163P

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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

Concerned about the public.

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