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Unsaturated Polyester Resin
DS-689-1
DS-Tianhe Resin Series
Tianhe Dianshi brand DS-689-1 is an Orthophthalic type unsaturated polyester resin, characterized by low viscosity, good gloss, good post-curing, good air-drying properties, good flexibility, high elongation at break, and good chemical resistance. It is particularly suitable for the HOBAS centrifugal casting process for making pipe liners.
| 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 | 12-16 | GB2895 |
| Viscosity at 25℃ | mPa.S | 200-600 | GB7193 |
| Gel Time | min | 4-8 | GB7193 |
| Solid Content | % | 61-64 | 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 0.5ml of cobalt octoate solution and 1ml of MEKP solution. | |||
| Resin Casting Body Performance Indicators (for reference only) | |||
| Item | Unit | Indicator | Testing Standard |
| Shore Hardness | Type A | 80 | GB3854 |
| Tensile Strength | MPa | 10 | GB2567 |
| Elongation at Break | % | 15 | GB2567 |
| Circumferential Bending Elastic Modulus | MPa | 50 | GB2567 |
| Circumferential Bending Elongation at Break | % | 15 | GB2567 |
| 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 +60℃/3 hours; Circumferential casting body post-processing method: Room temperature/24 hours +80℃/16 hours; 3) Experimental environment temperature is 23±2℃, relative humidity is 50±5%. | |||
Packaging and Storage
The packaging for Tianhe Dianshi brand DS-689-1 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 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, 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:
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
