Unsaturated Polyester Resin
DS-603N
DS-Tianhe Resin Series
Tianhe Dianshi brand DS-603N is a meta-phthalic unsaturated polyester resin with medium viscosity and high reactivity. Its pultruded products have good surface quality, high mechanical strength, and good heat resistance, while also exhibiting good resistance to weak acid corrosion, making it suitable for manufacturing pultruded profiles.
| Liquid Resin Technical Specifications | |||
| Item | Unit | Specification | Testing Standard |
| Appearance | Transparent viscous liquid | Visual | |
| Acid Value | mgKOH/g | 12-20 | GB2895 |
| Viscosity (25℃) | mPa.S | 600-900 | GB7193 |
| Gel Time | min | 5-9 | GB7193 |
| Solid Content | % | 61-67 | 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 | Specification | Testing Standard |
| Barcol Hardness | Barcol | 40 | GB3854 |
| Tensile Strength | MPa | 65 | GB2567 |
| Tensile Elastic Modulus | MPa | 3000 | GB2567 |
| Break Elongation Rate | % | 2.5 | GB2567 |
| Bending Strength | MPa | 110 | GB2567 |
| Bending Elastic Modulus | MPa | 3000 | GB2567 |
| Impact Toughness | KJ/m² | 7.0 | GB2567 |
| Heat Distortion Temperature | (℃) | 80 | GB1634.2 |
| Note: Experimental environment temperature is 23±2℃, relative humidity is 50±5%. | |||
Packaging and Storage
The packaging of Tianhe Dianshi brand DS-603N 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, the necessity for users to conduct their own experimental research cannot be excluded. Legally, there is no guarantee that certain performance characteristics of the product are fully applicable to any specific use, and the right to modify the information is reserved.
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