RF2204B Zinc Mixed 2-ethylhexanol & Secondary Butanol Dithiophosphate
Product Introduction:

RF2204B refers to Zinc Mixed 2-ethylhexanol & Secondary Butanol Dithiophosphate, which is with outstanding anti-oxidation and anti-wear performance. It is able to effectively inhibit oil oxidation, bearing corrosion and cam tappet wear when added. It is a ZDDP with comprehensive performance. This product is mainly used in internal combustion engine applications, as well as industrial applications like gear oil and hydraulic oil. The recommended treat rate is 0.5%-2.5% (m%).

Product Technical Specification:



Test Method


Light yellow
          to amber transparent liquid

Visual Inspection

Density (20℃), kg/m3


SH/T0604, ASTM D4052

Kinematic Viscosity (100℃), mm2/s


GB/T265, ASTM D445

Flash Point (COC), ℃


GB/T3536, ASTM D92

pH Value


SH/T0394-1996, Annex A

Zn Content, m%


NB/SH/T0824, ASTM D4951

P Content, m%


NB/SH/T0824, ASTM D4951

S Content, m%


SH/T0303, ASTM D1552

Color, number


GB/T6540, ASTM D1500

Water Content, m%


GB/T260, ASTM D95

Mechanical Impurities, m%



Packaging Storage and Transportation:

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.