ZDDP Series Zinc Dialkyl Dithiophosphate T 203

Commonly used lubricating oil additives have excellent wear resistance, extreme pressure, and antioxidant properties
SKU: HMHT0017 Category:

Lubricant Additives / T 203 ZBPD & ZDTP-50

Basic information

  • Product: Zinc Butyl Octyl Primary Alkyl Dithiophosphate
  • CAS NO.: 68649-42-3
  • EINECS NO.: 272-028-3
  • Formula: C28H60O4P2S4Zn
  • Formula weight: 716.39


Physicochemical property

Item Index Test  Method
Appearance Light yellow to amber
transparent liquid
Visual  Inspection
Density  (20℃),kg/m³ 1060-1150 SH/T0604,ASTM D4052
Kinematic Viscosity  (100℃),mm²/s Report GB/T265,ASTM D445
Flash Point (COC),℃ >180 GB/T3536,ASTM D92
pH value >5.8 SH/T0394-1996,AnnexA
Zn Content,m% 8.5-10.5 NB/SH/T0824,ASTM D4951
P Content,m% 7.5-8.8 NB/SH/T0824,ASTM D4951
S Content,m% 14.0-18.0 SH/T0303,ASTM D1552
Color, number ≤2.0 GB/T6540,ASTM D1500
Water Content, m% ≤0.03 GB/T260,ASTM D95
Mechanical Impurities,m% ≤0.07 GB/T511

Packaging And Store

190kg iron drum packaging or Iso tank.

The product is packed in iron drums with a net weight of 200kg, applicable to various modes of transportation.
The maximum storage and transportation temperature shall not exceed 75℃ in short term, and shall not exceed 45℃ in long term. The shelf life is 2 years.
This product is not flammable, explosive and corrosive, with no special protection required. In case of accidental contact with skin, wash it off thoroughly with water and detergents.


RF2203 refers to Zinc Dioctyl Primary Alkyl Dithiophosphate. This product features excellent oxidation and corrosion resistance, anti-wear, extreme pressure properties, and thermal stability in particular, and it offers favorable oil solubility, additive compatibility, and Demulsification as well. It is used in the formulation of premium diesel engine oils with the combination of sulphonate detergent and ashless dispersant, and in anti-wear hydraulic oils when combining with other additive packages. The recommended treat rate is 0.5%-3.0% (m%).

Powered by TranslatePress