Unsaturated Polyester Resin

DS989

Tianhe resin

DS989：Orthophthalic unsaturated polyester resin with medium viscosity and medium reactivity. With low shrinkage, widely used in multi-layer panel buttons, good processing performance.

Liquid index of resin
Item	Unit	Index	Test method
Appearance		Sticky Thick Liquid
Garden appearance(Pt-co)			GB7193
Acid Value	mgKOH/g	16-22	GB2895
25℃Viscosity	mPa.S	900-1200	GB7193
25℃ Geltime	min	3-6	GB7193
Solid content	%	65-70	GB7193
80℃ Stability	h	≥24	GB7193
Gel Time is 25°C; in air bath; 0.5 ml cobalt isocaprylate solution and 0.5ml MEKP solution were added into 50 g resin

Casting body index
Item	Unit	Index	Test method
Bacall hardness	Barcol	30	GB3854
Tensile strength	MPa	50	GB2567
Tensile modulus	MPa	2000	GB2567
Elongation at break	%	3.0	GB2567
Flexural strength	MPa	70	GB2567
Flexural modulus	MPa	2000	GB2567
impact toughness	Kj/m2	7.0	GB2567
Heat deflection temperature	℃	55	GB1634.2
Note: Environmental Temperature for Experiment: 23±2°C; relative humidity: 50±5%

Packaging and Storage

The packaging of Tianhe resin DS989：

net weight of 220KG drum

Shelf life： six months at 20 ℃. Increasing the temperature will correspondingly shorten the storage period. When storing, it should be placed in a cool and ventilated place, away from direct sunlight and heat sources. This product is flammable and should be kept away from open flames.

Attention: This data was measured according to national standards (GB) and ASTM . Due to various factors affecting the processing, it is not ruled out that users may need to conduct their own experiments and research. Legally, we do not guarantee that certain product properties are fully applicable to a specific purpose, and we reserve the right to modify the data.

Key words:

988-3

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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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