Unsaturated Polyester Resin

DS-724-2

DS-Tianhe Resin Series

Tianhe Dingshi brand DS-724-2 phthalate-type unsaturated polyester resin, with high viscosity and moderate reactivity, high transparency, suitable for the splicing of artificial marble.

Liquid Resin Technical Specifications
Item	Unit	Specification	Testing Standard
Appearance		Viscous Liquid	Visual
Color (Pt-Co)		25-35	GB7193
Acid Value	mgKOH/g	19-22	GB2895
Viscosity (25℃)	mPa.S	1000-1300	GB7193
Gel Time	min	3-5	GB7193
Solid Content	%	67-71	GB7193
80℃ Stability	h	≥24	GB7193
Note: Gel time is measured at a temperature of 25℃ in an air bath with 50g of resin, adding 0.5ml of cobalt octoate solution and 0.5ml of MEKP solution.

Resin Casting Body Performance Indicators (for reference only)
Item	Unit	Specification	Testing Standard
Barcol Hardness	Barcol	32	GB3854
Tensile Strength	MPa	50	GB2567
Tensile Elastic Modulus	MPa	2300	GB2567
Elongation at break	%	8.0	GB2567
bending strength	MPa	70	GB2567
Tensile Elastic Modulus	MPa	2500	GB2567
impact toughness	KJ/m²	10	GB2567
heat distortion temperature	℃	55	GB1634.2
(Note: Experimental environment temperature is 23±2℃, relative humidity is 50±5%.)

Packaging and Storage

(Note: The packaging for Tianhe Dingshi brand DS-724-2 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. It should be stored in a cool, ventilated place, avoiding direct sunlight and 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:

723-7

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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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