ZDDP SD9426
Product brief
ZDDP SD9426 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 T105/T106 detergents and the T154/T155 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.
l Technical specifications
Table 1 SD9426 product quality indicators and test methods
Item |
Quality indicator |
Test method | |
Class-A quality |
Acceptable quality | ||
Appearance |
Light yellow to amber transparent liquid |
Visual test | |
Color number, #, no more than |
2.0 |
2.5 |
GB/T 6540 or ASTM D -1500 |
Density ( |
1060-1150 |
GB/T2540 or ASTM D-4052 | |
Kinematic viscosity ( |
Report |
GB/T265 or ASTM D-445 | |
Flash point (open), ℃, no less than |
180 |
GB/T3536 or ASTM D-92 | |
Sulphur content, % (m/m) |
14.0-18.0 |
12.0-18.0 |
ASTM D-4951 |
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 |
SH/T 0394-1996, annex A |
Moisture, % (m/m), no more than |
0.03 |
0.09 |
GB/T260 or ASTM D-95 |
Mechanical admixture, % (m/m), no more than |
0.07 |
GB/T 511 or AM-S90-009 |
l Package, storage and shipment
1. The product is packed with iron barrels, with a net weight of
2. For short-term storage and transportation, the temperature of the product shall not surpass
3. This product is non-flammable, non-explosive, and non-corrosive, thus needs no special protection.