Unsaturated Polyester Resin
DS-380P
DS-Tianhe Resin Series
Tianhe Dianshi brand DS-380P is a pre-promoted unsaturated polyester resin, characterized by good wettability, especially with emulsion-type glass fibers, low shrinkage deformation, and high mechanical strength. It is suitable for hand lay-up molding of automotive parts and other fiberglass products.
| Liquid Resin Technical Indicators | |||
| Item | Unit | Specification | Testing Standard |
| Appearance | Transparent viscous liquid | ||
| Acid Value | mgKOH/g | 26-34 | GB2895 |
| Viscosity (25℃) | mPa.S | 280-460 | GB7193 |
| Gel Time | min | 25-45 | GB7193 |
| Solid Content | % | 60-66 | GB7193 |
| 80℃ Stability | h | ≥24 | GB7193 |
| Note: Gel time is measured at 25℃ in an air bath with 50g of resin and adding 0.75ml of MEKP solution. | |||
| Resin Casting Body Performance Indicators (for reference only) | |||
| Item | Unit | Specification | Testing Standard |
| Barcol Hardness | Barcol | 40 | GB3854 |
| Tensile Strength | MPa | 50 | GB2567 |
| Tensile Elastic Modulus | MPa | 2000 | GB2567 |
| Break Elongation Rate | % | 2.5 | GB2567 |
| Bending Strength | MPa | 70 | GB2567 |
| Bending Elastic Modulus | MPa | 2000 | GB2567 |
| Impact Toughness | KJ/m² | 5.0 | GB2567 |
| Heat Distortion Temperature | ℃ | 80 | GB1634.2 |
| Note: Experimental environment temperature is 23±2℃ with relative humidity of 50±5%. | |||
Packaging and Storage
The packaging of Tianhe Dianshi brand DS-380P 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, 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: