Test Items | Value | Test method | ||||||
Grade | #52 | #54 | #56 | #58 | #60 | #62 | #64 | |
Melting point, °C | 52-54 | 54-56 | 56-58 | 58-60 | 60-62 | 62-64 | 64-66 | GB/T 2539 |
Oil content, %(mass) | ≤0.5 | 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 |