Fully refined paraffin wax is mainly refined by Fushun and Daqing subsidiary refineries of Petrochina. The crude oil is exploited from Shenbei and Daqing oilfield, which is characterized by high wax content and superior quality.
Fully refined paraffin wax takes its characteristics as pure white color, low oil content , good stability , odorless , negative mechanical impurity and water.
Melting point, °C ≥ | 52 | 54 | 56 | 58 | 60 | 62 | 64 | 66 | 68 | 70 | GB/T 2539 |
Oil content, %(mass) | ≤0.5 | GB/T 3554 | |||||||||
Color, Saybolt scale | ≥+27 | ≥+25 | GB/T 3555 | ||||||||
Light stability | ≤4 | ≤5 | SH/T 0404 | ||||||||
Penetration, (25°C),1/10mm | ≤19 | ≤17 | GB/T 4985 | ||||||||
Kinematic viscosity, (100°C),m/s | Report | GB/T 265 | |||||||||
Odor number | ≤1 | SH/T 0414 | |||||||||
Water soluble acid/base | Not detected | SH/T 0407 | |||||||||
Mechanical impurity & moisture | Not detected | Visual inspection | |||||||||
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