Bestolife ZN-50 is a zinc-based thread compound commonly used in the oil and gas industry. It is designed for rotary shouldered connections, such as drilling, tool joints, drill collars, and coring bits. The compound contains 50% finely powdered metallic zinc, along with H2S and oxidation inhibitors, making it effective in preventing galling, seizing, and corrosion. It is brushable down to 10°F (-12°C) and has a shelf life of four years when stored in an unopened container