Unsaturated Polyester Resin

DS-8654

DS-Tianhe Resin Series

Tianhe Dianshi brand DS-8654 is a special unsaturated polyester resin for biphenyl/neopentyl glycol type BMC, characterized by high reactivity, high viscosity, good fluidity, low shrinkage rate, and long storage period of the material. It is suitable for ultra-high mold temperature forming processes at 190-200℃, and the surface of the products has high gloss. It is applicable in fields such as electrical components, construction facilities, and industrial and civilian equipment for compression or injection molded products.

Liquid Resin Technical Indicators
Item	Unit	Indicator	Testing Standard
Appearance		Light yellow transparent liquid	Visual
Color (Pt-Co)		40-60	GB7193
Acid Value	mgKOH/g	18-22	GB2895
Viscosity at 25℃	mPa.S	1800-2200	GB7193
Gel Time	min	7-9	GB7193
Solid Content	%	67-69	GB7193
80℃ Stability	h	≥24	GB7193
Note: Gel time is measured at a temperature of 25℃ with a bath of 50g resin mixed with 0.75ml of cobalt octoate solution and 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	55	GB2567
Tensile Modulus	MPa	2500	GB2567
Elongation at break	%	2.0	GB2567
Elongation at Break	MPa	85	GB2567
bending modulus	MPa	2500	GB2567
Flexural Strength	KJ/m²	8	GB2567
Flexural Modulus	℃	130	GB1634.2
(Note: 1) Casting body sample preparation method: follow GB/T8237-2005; (2) Post-processing method for casting body: Room temperature/24 hours +40℃/1 hour +90℃/3 hours; (3) Experimental environment temperature: 23±2℃, relative humidity: 50±5%.

Packaging and Storage

The packaging of Tianhe Dianshi brand DS-8654 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 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 fully applicable to any specific use and reserves the right to modify the information.

Key words:

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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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