Item | Value | Test Method | |||||||||
Grade | #52 | #54 | #56 | #58 | #60 | #62 | #64 | #66 | #68 | #70 | |
Melting point, °C ≥ | 52 54 | 54 56 | 56 58 | 58 60 | 60 62 | 62 64 | 64 66 | 66 68 | 68 70 | 70 72 | GB/T 2539 |
Oil content, %(mass) | ≤0.8 | GB/T 3554 | |||||||||
Color, Saybolt scale | ≥+27 | ≥+25 | GB/T 3555 | ||||||||
Photolabile number | ≤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 |