Unsaturated Polyester Resin
DS-105P-70
DS-Tianhe Resin Series
Tianhe Dingshi brand DS-105P-70 resin is a pre-promoted unsaturated polyester resin. This resin has good molding processing performance, low exotherm peak, and small shrinkage, making it suitable for vacuum infusion molding processes. Its fiberglass products have good mechanical strength.
| Liquid Resin Technical Indicators | |||
| Item | Unit | Indicator | Testing Standard |
| Appearance | Light green viscous liquid | Visual | |
| Acid Value | mgKOH/g | 17-23 | GB2895 |
| Viscosity (25℃) | mPa.S | 120-200 | GB7193 |
| Gel Time | min | 12-20 | GB7193 |
| Solid Content | % | 50-58 | GB7193 |
| 80℃ Stability | h | ≥24 | GB7193 |
| Note: Gel time is measured at a temperature of 25℃ in an air bath with 50g of resin and adding 0.5ml of MEKP solution. | |||
| Resin Casting Body Performance Indicators (for reference only) | |||
| Item | Unit | Indicator | Testing Standard |
| Barcol Hardness | Barcol | 40 | GB3854 |
| Tensile Strength | MPa | 60 | GB2567 |
| Tensile Elastic Modulus | MPa | 3000 | GB2567 |
| Break Elongation Rate | % | 3.0 | GB2567 |
| Bending Strength | MPa | 100 | GB2567 |
| Tensile Elastic Modulus | MPa | 3100 | GB2567 |
| Impact Toughness | KJ/m² | 3.0 | GB2567 |
| Heat Distortion Temperature | (℃) | 75 | GB1634.2 |
| Note: Experimental environment temperature is 23±2℃, relative humidity is 50±5%. | |||
Packaging and Storage
The packaging of Tianhe Dingshi brand DS-105P-70 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.
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