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BESTOLIFE® ZN-50 is a zinc-based thread compound recommended for drilling applications, including tool joints, drill collars, and coring bits. Formulated with 50% finely powdered metallic zinc, it also contains H₂S and oxidation inhibitors to provide reliable protection against corrosion and chemical degradation in harsh environments.
ZN-50 meets the requirements of API RP SPEC 7: Specification for Rotary Drill Stem Elements, making it a trusted solution for high-performance drilling operations.
| Property | Specification |
|---|---|
| Color | Gray |
| Penetration | 280–310 (ASTM D217) |
| Weight/Gallon | 14–16 pounds/gallon |
| Dropping Point | ≥350°F (≥177°C) |
| Flash Point | ≥485°F (≥252°C) |
| Brushable To | 10°F (-12°C) |
| Friction Factor | 1.0 |
| Shelf Life | 4 years (unopened container) |
| Contains | Zinc and other non-metallic additives |
