Unsaturated Polyester Resin
DS-603
DS-Tianhe Resin Series
Tianhe Dianshi brand DS-603 is an ISO-phthalic unsaturated polyester resin with medium viscosity, high reactivity, high mechanical strength and good corrosion resistance to weak dilute acids such as hydrochloric acid and acetic acid. It is suitable for molding grids and hand layup products.
| Liquid Resin Technical Specifications | |||
| Item | Unit | Specification | Testing Standard |
| Appearance | Transparent viscous liquid | Visual | |
| Color (Pt-Co) | 25-30 | GB7193 | |
| Acid Value | mgKOH/g | 17-22 | GB2895 |
| Viscosity (25℃) | mPa.S | 400-600 | GB7193 |
| Gel Time | min | 6-14 | GB7193 |
| Solid Content | % | 60-65 | GB7193 |
| 80℃ Stability | h | ≥24 | GB7193 |
| Note: Gel time is measured at 25℃ in an air bath with 50g of resin, adding 0.5ml of cobalt octoate solution and 0.5ml of MEKP solution. | |||
Specification for Physical Properties | |||
Item | Unit | Value | Standard |
Barcol Hardness ≥ | Barcol | 40 | GB3854 |
Tensile Strength ≥ | Mpa | 65 | GB2567 |
Elongation at break ≥ | % | 5.4 | GB2567 |
Flexural Strength ≥ | Mpa | 95 | GB2567 |
Impact strength ≥ | KJ/㎡ | 9.0 | GB2567 |
Heat deflection temperature(H.D.T) ≥ | ℃ | 70 | GB1634.2 |
Note: Environmental Temperature for Experiment: 23±2°C; relative humidity: 50±5% | |||
Packaging and Storage
The packaging of Tianhe Dianshi brand DS-603 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, it does not guarantee that certain product performances are fully applicable to a specific use and reserves the right to modify the information.)
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