Features
- Viscosity Index: 135-127 (ml/g)
- K-Value: 72-71
- Average Polymerization Degree: 1370-1251
- Number of Impurity Particles: 16
- Volatile Component: ≤0.30%
- Apparent Density: ≥0.45 (g/cm³)
- Volatile Substance: ≤0.3%
- Volatile Content: ≥0.45%
- Whiteness (160 ℃, 10min): ≥78%