单位介绍:
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No | Parameter | Standard | Result | | 1 | Penetration, 0,1mm, 25°C | 50-70 | 67 | | 2 | Ductility, cm, 25°C | not less than 100 | 115 | | 3 | Softening Point (Ring-and-Ball), °C | 49-54 | 49.6 | | 4 | Breaking point (Fraas), °C | max: -16 | -22 | | 5 | Flashing point, °C | min: 230 | 264 | | 6 | Change of mass after heating, % | not more than +/- 0,5 | -0.28 | | 7 | Retained penetration after heating, % | not less than 50 | 59 | | 8 | Change in softening point, °C | not less than 51 | 57.6 | | 9 | Change of softening point temperature, °C | not more than 8 | 8 | | 10 | Parafin content, % | not more than 2,2 | 2.2 | | 11 | Determination of solubility, Toluene, % | not less than 99,0 | 99.98 | | | | | | | Conclusion: Product batch parameters meet requirements of ST0 00149765-001-2008 | | | | | | | |
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