Unsaturated Polyester Resin
TECHNICAL DATA SHEET FOR DS 761P-7
Description: DS 761P-7 is a Terephthalic type unsaturated polyester resin with medium viscosity and medium reactivity. It has fast curing speed,good crack resistance and good toughness, and is suitable for polymer concrete casting products.
Technical Index for Liquid Resin | |||
Item | Unit | Value | Standard |
Appearance |
| Sticky liquid | Sticky liquid |
Acid Value | mgKOH/g | 13-18 | GB2895 |
Viscosity(25℃) | Mpa.S | 150-350 | GB7193 |
Gel Time | min | 10-20 | GB7193 |
Non-Volatile | % | 57-62 | GB7193 |
Thermal Stability(80℃) | h | ≥48 | GB7193 |
Note: Gel Time is based on 25°C in air bath; 0.5ml MEKP solution were added into 50 g resin | |||
Physical Properties for Casting Body | |||
Item | Unit | Value | Standard |
Barcol Hardness ≥ | Barcol | 40 | GB3854 |
Tensile Strength ≥ | Mpa | 65 | GB2567 |
Elongation at break ≥ | % | 2.5 | GB2567 |
Flexural Strength ≥ | Mpa | 95 | GB2567 |
Impact strength ≥ | KJ/㎡ | 8 | GB2567 |
Heat deflection temperature(H.D.T) ≥ | ℃ | 75 | GB1634.2 |
Note: Environmental Temperature for Experiment: 23±2°C; relative humidity: 50±5% | |||
Package and Recommended Storage:
DS 761P-7 : Packed in metal drum of 220KGS Net weight with shelf life of 6 months at 20℃ at ventilated places, avoiding direct sunlight and heat or fire.
Note: The data were tested according to GB standard. Influenced by many factors in the process of fabrication, necessary researches by user are not exclusive. Legally, no warranties for some performances of product are applicable to one specific use and the rights to amend the materials are reserved.
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