Unsaturated Polyester Resin
DS-322P-5
DS-Tianhe Resin Series
Tianhe Dianshi brand DS-322P-5 resin is a pre-promoted unsaturated polyester resin. This resin has good wettability with glass fiber, low curing shrinkage, and high mechanical strength, making it suitable for processes such as sprinkling and continuous impregnation to produce FRP boards. Its fiberglass flat panels have good mechanical strength and high flatness, widely used in the production of composite material carriages.
| Liquid Resin Technical Indicators | |||
| Item | Unit | Indicator | Testing Standard |
| Appearance | Slightly red viscous liquid | Visual | |
| Acid Value | mgKOH/g | 17-23 | GB2895 |
| Viscosity at 25℃ | mPa.S | 180-300 | GB7193 |
| Gel Time | min | 14-26 | GB7193 |
| Solid Content | % | 57-63 | GB7193 |
| 80℃ Stability | h | ≥24 | GB7193 |
| Note: Gel time is measured at a temperature of 25℃ in an air bath with the addition of 1ml MEKP solution to 50g of resin. | |||
| 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 | 3000 | GB2567 |
| Break Elongation Rate | % | 3.0 | GB2567 |
| Bending Strength | MPa | 100 | GB2567 |
| Bending Elastic Modulus | MPa | 3100 | GB2567 |
| Impact Toughness | KJ/m² | 7.0 | GB2567 |
| Heat Distortion Temperature | ℃ | 70 | GB1634.2 |
| Note: Experimental environment temperature is 23±2℃ with relative humidity of 50±5% | |||
Packaging and Storage
'Tianhe Dianshi brand DS-322P-5 is packaged in a net weight of 220KG metal drum. The storage period at a temperature of 20℃ is six months. 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.
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