Uses：1)In rubber industry: Stearic acid is used as vulcanization activator of rubber ploymer and latex, also softener. 

2) In plastics industry: Stearic acid is widely used in pipes, board, profile and film as plasticizer, stabilizer, lube lubricant. 

3)In textile industry: Yarn lubricant. 

4) In other way. Stearic acid is also used to make release agent, calcium steatate, anti-foam additive, Drug-free, Environment-friendly materials.