Unsaturated Polyester Resin

DS-115PT

DS-Tianhe Resin Series

Tianhe Dianshi brand DS-115PT is a pre-promoted, pre-thixotropic unsaturated polyester resin with medium viscosity and medium reactivity. It has high strength, good heat resistance, good water resistance, and fast curing, making it suitable for the production of fiberglass products such as cooling towers and storage tanks.

Liquid Resin Technical Specifications
Item	Unit	Indicator	Testing Standard
Appearance		Transparent viscous liquid
Color (Pt-Co)			GB7193
Acid Value	mgKOH/g	19-24	GB2895
Viscosity at 25℃	mPa.S	300-600	GB7193
Gel Time	min	15-30	GB7193
Solid Content	%	60-65	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 0.75ml of MEKP solution.

Resin Casting Body Performance Indicators (for reference only)
Item	Unit	Indicator	Testing Standard
Barcol Hardness	Barcol	40	GB3854
Tensile Strength	MPa	65	GB2567
Tensile Modulus	MPa	3000	GB2567
Elongation at Break	%	4.0	GB2567
Flexural Strength	MPa	100	GB2567
Flexural Modulus	MPa	3000	GB2567
Impact Toughness	KJ/m²	8	GB2567
Heat Distortion Temperature	℃	75	GB1634.2
Note: Experimental environment temperature is 23±2℃ with relative humidity of 50±5%

Packaging and Storage

The packaging of Tianhe Dianshi brand DS-115PT 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 performance characteristics of the product are completely applicable to any specific use, and reserves the right to modify the information.

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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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