PVC External Lubricant TL-74 /70S is based on high molecular, multi-functional fatty acid esters (complex ester). It is white or slight yellow debris free-flowing powder, odorless. It can not be dissolved in water but dissolved in tributyl phosphate (TBP) and trichloromethane. Its melting point is 48-56°C, flash point >230°C, volatiles (96 hour/90°C) <1%. Tech Spec: Items Spec Test Method Appearance light yellow or milk-white flake Bulk Density, g/cm3 0.88-0.93 GB/T 1636-2008 Sieve Residue (40 mesh),% ≤2.0 GB/T 2916 Volatile Content ,% ≤2.0 ASTM D5668 Iodine value gl/100g ≤2.0 Viscosity mPa. S(80°C) 58-65 Refractive index(80°C) 1.447-1.449 Flash point °C 230 min Difference between 74 and 70S: TL-74 is less separating out , for high grade`s pvc transparent film ,sheet . About 0.3-1.0phr TL-70S is…