Unsaturated Polyester Resin
DS-758
DS-Tianhe Resin Series
Tianhe Dianshi brand DS-758 is a phthalate-type unsaturated polyester resin, which has good filling performance and better de-bubbling properties, suitable for making artificial marble, sinks, and bathroom products, etc.
| Liquid Resin Technical Indicators | |||
| Item | Unit | Indicator | Testing Standard |
| Appearance | Viscous Liquid | Visual | |
| Color (Pt-Co) | 25-35 | GB7193 | |
| Acid Value | mgKOH/g | 21-24 | GB2895 |
| Viscosity (25℃) | mPa.S | 600-800 | GB7193 |
| Gel Time | min | 4-6 | GB7193 |
| Solid Content | % | 67-69 | GB7193 |
| 80℃ Stability | h | ≥24 | GB7193 |
| Note: Gel time is measured at a temperature of 25℃ in an air bath with 50g of resin, adding 0.5ml of cobalt octoate solution and 0.5ml of MEKP solution. | |||
| Resin Casting Body Performance Indicators | |||
| Item | Unit | Indicator | Testing Standard |
| Barcol Hardness | Barcol | 35 | GB3854 |
| Tensile Strength | MPa | 55 | GB2567 |
| Tensile Elastic Modulus | MPa | 2800 | GB2567 |
| Break Elongation Rate | % | 8.0 | GB2567 |
| Bending Strength | MPa | 75 | GB2567 |
| Bending Elastic Modulus | MPa | 2800 | GB2567 |
| Impact Toughness | KJ/m² | 12.0 | GB2567 |
| Heat Distortion Temperature | (℃) | 60 | GB1634.2 |
| Note: Experimental environment temperature is 23±2℃, relative humidity is 50±5%. | |||
Packaging and Storage
The packaging of Tianhe Dianshi brand DS-758 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 product performances are fully applicable to any specific use and reserves the right to modify the information.
Key words: