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Unsaturated Polyester Resin
DS-681
DS-Tianhe Resin Series
Tianhe Dianshi brand DS-681 is a phthalate-type unsaturated polyester resin with stable performance, high filler loading, and high toughness, mainly used for pultrusion molding to produce products such as spray rods, solid rods, and profiles.
| Liquid Resin Technical Indicators | |||
| Item | Unit | Indicator | Testing Standard |
| Appearance | Transparent viscous liquid | Visual | |
| Color (Pt-Co) | 30-40 | GB7193 | |
| Acid Value | mgKOH/g | 17-23 | GB2895 |
| Viscosity at 25℃ | mPa.S | 600-900 | GB7193 |
| Gel Time | min | 4-8 | GB7193 |
| Solid Content | % | 63-69 | GB7193 |
| 80℃ Stability | h | ≥24 | GB7193 |
| Note: Gel time is measured at a temperature of 25℃ in an air bath with 50g of resin mixed with 0.4ml of cobalt octoate solution and 0.4ml of MEKP solution. | |||
| Resin Casting Body Performance Indicators (for reference only) | |||
| Item | Unit | Indicator | Testing Standard |
| Barcol Hardness | Barcol | 38 | GB3854 |
| Tensile Strength | MPa | 60 | GB2567 |
| Tensile Elastic Modulus | MPa | 2200 | GB2567 |
| Break Elongation Rate | % | 6.0 | GB2567 |
| Bending Strength | MPa | 73 | GB2567 |
| Bending Elastic Modulus | MPa | 2500 | GB2567 |
| Impact Toughness | KJ/m² | 15 | GB2567 |
| Heat Distortion Temperature | (℃) | 70 | GB1634.2 |
| *Note: Experimental environment temperature is at (23±2)℃, relative humidity (50±5)%. | |||
*Packaging and Storage*
*The packaging of Tianhe Dianshi brand DS-681 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 product performances are completely suitable for 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
Concerned about the public.
day and resin
