XPT203 Petroleum additive lubricant additive ZDDP Zinc Butyl Octyl Primary Alkyl Dithiophosphate

XPT203 Petroleum additive lubricant additive ZDDP Zinc Butyl Octyl Primary Alkyl Dithiophosphate XPT203 is Zinc Dioctyl Primary Alkyl Dithiophosphate. This product features excellent oxidation resistance, corrosion resistance, and anti-wear and extreme pressure properties, particularly high thermal stability, and favorable oil solubility, additive compatibility, and resistance to emulsification. It can be compounded with the XPT105/106 detergents and the XPT154/155 dispersants to be applied in high-grade diesel engine oils, or compounded with other additives to apply in anti-wear hydraulic oils. The percentage in usage is 0.5%-3.0% when adding this product into oil.  Item Quality indicator Class-A quality Acceptable quality Appearance Light yellow to amber transparent liquid Color number, #, no more than 2.0 2.5 Density (20°C)     kg/m3 1060-1150 Kinematic viscosity (100°C),   mm2/s Report Flash point (open), °C, no less than 180 Sulphur content,  % (m/m) 14.0-18.0 12.0-18.0 Phosphorus content,  % (m/m) 7.5-8.8 6.5-8.8 Zinc content,  % (m/m) 9.0-10.5 8.0-10.5 PH value, no less than 5.8 5.3 Moisture,  % (m/m), no more than 0.03 0.09 Mechanical admixture, % (m/m), no more than 0.07