JET-LUBE Z-50TM Tool Joint Compound is a metallic zinc - based thread compound designed to protect tool joint thread and shoulders on drill collars and other drill string components. Its formulated to prevent galling, wear-up in a variety of drilling conditions,
Metallic zinc content: contains 50c/o metallic zinc meeting the requirements of API RP 5A3 Annex it includes special addictives to prevent the buildup and plating of metallic zinc often seen with other zinc based compounds