Unsaturated Polyester Resin
DS-627
DS-Tianhe Resin Series
Tianhe Dianshi brand DS-627 resin is a phthalate-type unsaturated polyester resin. This resin has moderate viscosity, high reactivity, fast pultrusion speed, good surface quality of products, and high mechanical strength, making it suitable for producing thin-walled rods and pultruded profiles.
| Liquid Resin Technical Indicators | |||
| Item | Unit | Indicator | Testing Standard |
| Appearance | Transparent viscous liquid | Visual | |
| Acid Value | mgKOH/g | 18-24 | GB2895 |
| Viscosity (25℃) | mPa.S | 600-900 | GB7193 |
| Gel Time | min | 9-15 | GB7193 |
| Solid Content | % | 59-65 | GB7193 |
| 80℃ Stability | h | ≥24 | GB7193 |
| Note: Gel time is measured at 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 | 40 | GB3854 |
| Tensile Strength | MPa | 65 | GB2567 |
| Tensile Elastic Modulus | MPa | 2500 | GB2567 |
| Break Elongation Rate | % | 3.0 | GB2567 |
| Bending Strength | MPa | 100 | GB2567 |
| Bending Elastic Modulus | MPa | 3000 | GB2567 |
| Impact Toughness | KJ/m² | 4.0 | GB2567 |
| Heat Distortion Temperature | (℃) | 75 | GB1634.2 |
| Note: Experimental environment temperature is 23±2℃, relative humidity is 50±5%. | |||
Packaging and Storage
The packaging of Tianhe Dianshi brand DS-627 is a net weight of 220KG metal drum, with a storage period of six months at 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 performance of the product is fully applicable to a specific use and reserves the right to modify the information.
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