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Test Items | Standard | Test Method |
Melting Point,°C | 56-58/58-60/64-66 | GB/T2539 |
Oil Content,%(m/m,) Max. | 0.2%-0.3% | GB/T3554 |
Color, No. | +25 / +28 | GB/T3555 |
Light Stability, No. Max. | 4 | GB/T0404 |
Penetration (25°C,100g) 1/10mm Max. | 16 | GB/T4985 |
Kinematic Viscosity (100°C),mm2/s | Report | GB/T265 |
Odour, No. Max. | 2 | GB/T0414 |
Water Soluble & Acids Alkis | Nil | GB/T0407 |
Mechanical Impurity and Water | Nil |

Item | Value | Test method | ||||||||||||||
Grade | #52 | #54 | #58 | #60 | #62 | #66 | #68 | #70 | ||||||||
Melting point, °C ≥ < | 52 54 | 54 56 | 58 60 | 60 62 | 62 64 | 66 68 | 68 70 | 70 72 | 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 | ||||||||||||||




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