Zinc Dialkyl Dithiophosphate (ZDDP)

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Zinc Dialkyl Dithiophosphate (ZDDP) is a zinc dialkyldithiophosphate lubricating oil additive of exceptionally high thermal and hydrolytic stability. It is generally used with detergent, dispersant and acid neutralizing additives in engine oils. This additive provides oxidation, copper-lead bearing corrosion and wear control in diesel and gasoline engines. It is particularly effective under the severe temperature and load conditions encountered in highly supercharged diesel engines.

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Handling & Storage

When handling this product a maximum temperature of 60°C should be observed for storage, unloading and blending. However, it is strongly recommended that for long term storage the temperature should not exceed 50°C.It is recommended that it be stored in dry, clean and ventilated environment Consult material safety data sheet (MSDS) for additional handling information.

Zinc Dialkyl Dithiophosphate (ZDDP)

Formulations

Recommended at
By weight	0.7% - 2.05%
By volume	0.58% - 1.69%

In suitable base stocks to provide oil inhibition, bearing corrosion protection, and anti-wear properties to crankcase oils.

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PACKING UNIT

220 kg drums

Application

Engine oil additive R & O oils
Hydraulic fluids Turbine oils
Gear oils Compressor oils Greases

Specification Sheet

TEST	METHOD	MIN	MAX	VALUE
Appearance	Visual		Yellow Clear Liquid	Yellow Clear Liquid
Specific Gravity @ 15.6°C	ASTM D 1298	1.11	1.18	1.15
Colour, Dilute	ASTM D 1500	1.0	3.0	1.5
Viscosity @ 100°C, cSt.	ASTM D 445	8.0	18.0	10
Flash Point, °C (PMCC)	ASTM D 93	121.0		165
Water Content, % wt.	ASTM D 95		0.2	Nil
Phosphorus Content, mass %	ASTM D 5185	9.0	9.7	9.3
Sulfur Content, mass %	ASTM D 4951	18.0	21.0	19.5
Zinc Content, mass %	ASTM D 5185	9.8	11.0	10.4

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