Unsaturated Polyester Resin

DS-633N

DS-Tianhe Resin Series

Tianhe Dianshi brand DS-633N is a para-type unsaturated polyester resin with medium viscosity and high reactivity, good processing performance, high comprehensive mechanical properties, and high heat and corrosion resistance, suitable for high-quality pultrusion products.

Liquid Resin Technical Indicators
Item	Unit	Index	Testing Standard
Appearance		Viscous Liquid
Color (Pt-Co)			GB7193
Acid Value	mgKOH/g	9-15	GB2895
Viscosity at 25℃	mPa.S	600-1000	GB7193
Gel Time	min	3-12	GB7193
Solid Content	%	60-66	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	Index	Testing Standard
Barcol Hardness	Barcol	40	GB3854
Tensile Strength	MPa	70	GB2567
Tensile Modulus	MPa	2400	GB2567
Elongation at Break	%	3.3	GB2567
Flexural Strength	MPa	93	GB2567
Flexural Modulus	MPa	3000	GB2567
Impact Toughness	KJ/m²	10	GB2567
Heat Distortion Temperature	℃	90	GB1634.2
Note: Experimental environment temperature is 23±2℃, relative humidity is 50±5%.

Packaging and Storage

The packaging of Tianhe Dianshi brand DS-633N is a net weight of 220kg, 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, the necessity for users to conduct their own experimental research cannot be excluded. 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:

627

627-2

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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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