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GB/T4505, ASTMD36,JTG E20- T0606-2011
This ring and ball apparatus, also called as the softening point tester, is used to test the softening point of pavement petroleum asphalt, polymer modified asphalt, also can be used for liquid petroleum asphalt, evaporated residue of asphalt emulsion, distilled residue of coal asphalt. The softening point tester is comprised of steel ball, sample ring, steel ball positioning ring, metal rack, heat resistant glass cup, thermometer, electric temperature controlled stirrer.
| Working power | AC 220V±10%, 50Hz |
| Ambient condition | Room temperature <35ºC, no air circulation |
| Testing range | 5~90ºC, ±0.1ºC |
| Temperature rise rate | (5±0.5) ºC/min |
| Steel ball weight | 3.5g±0.05g |
| Steel ball diameter | 9.53mm |
| Steel ball sinking depth | 25.4mm |
| Timing range | 0-99min 99s |
| Stirrer | stirring speed is continuous & adjustable |
| Heating power | 1000W |
| Heating medium | glycerol or water |
| Flask effective volume | 1000ml |
| Ambient relative humidity | ≤85% |
| Overall size | 340mm×230mm×340mm |
| Net weight | 4.5kg |
| Printer | optional |
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