
CHEMPOL 7998A is a versatile additive package formulated for use in heavy-duty diesel engine oils, designed to meet the performance requirements of API CD, CF, and CF/SF categories. This robust formulation delivers a high Total Base Number (TBN) exceeding 8 mg KOH/g, ensuring excellent acid neutralization and extended engine protection.
CHEMPOL 7998A provides reliable performance in a wide range of diesel engine applications, including older-generation engines and mixed fleet operations. It offers effective protection against wear, corrosion, and deposit formation, contributing to cleaner engine operation and prolonged oil life.
Ideal for use in both on-road and off-road environments, CHEMPOL 7998A is suitable for formulating cost-effective yet high-performing lubricants where legacy API performance levels are required.
| PROPERTY, TEST METHOD | SPECIFICATION | TYPICALS |
|---|---|---|
| Appearance, Visual | Dark color, Viscous Liquid | Dark color, Viscous Liquid |
| Density (15℃), kg/m3, ASTM D4052 | 980-1010 | 1040 |
| Flash point (COC), °C, ASTM D92 | ≥180 | 200 |
| Kinematic Viscosity (100℃) mm2/s, ASTM D445 | 50-100 | 65 |
| Ca Content, m%, ASTM D5185 | 6.87-7.52 | 7.2 |
| Zn Content, m%, ASTM D5185 | 2.42-2.62 | 2.60 |
| P Content, m%, ASTM D5185 | 2.25-2.45 | 2.38 |
| TBN, mg KOH/g, ASTM D2896 | 190-220 | 210 |