Extreme Pressure/EP Anti-wear Additive SDT309
(Triphenyl Thiophosphate )
Application
SDT309 extreme pressure/EP anti-wear additive has excellent extreme pressure performance, good anti-wear and anti-oxidation performance, good thermal stability and colour stability, good anti-emulsifying performance, good security for hydrolysis.
It is primarily used for blending anti-wear hydraulic oils, gear oils, oil film bearing oils, aviation lubricating grease, steam turbine oils and hydraulic transmission oils. It can also be used for blending all grades of vehicle gear oils and industrial gear oils.
Typical Value
Item |
Indice |
Test method |
Appearance |
White or yellow powder |
Visual |
Melting range, ℃ |
51-54 |
GB/T617 |
Phosphorus, m% |
≥8.9 |
SH/T0269 |
Sulfur, m% |
≥9.3 |
SH/T0303 |
Cu-strip Corrosion (100℃, 3h), rating |
≤1b |
GB/T5096 |
water-soluble acid or alkali |
No |
GB/T511 |
Recommended Dosage: it’s generally recommended to blend lubricants by 0.5-3.0%
Packing: The product is packed in 20Kg/ carbon board drum, or 40Kg/ carbon board drum
Storage: Keep the temperature not higher than 75°C. For long-term storage, the suggested temperature is lower than 45°C.