L. Jie
2005
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Journal
Materials protection
Abstract
Sodium stearate was synthesized from stearic acid, lauric acid, and sodium hydroxide at a ratio of 9:1:1.4~1.5(in mass). Thus the aqueous solution of the resulting sodium stearate at a concentration of 5% was used as the lubrication solution for the drawing of steel tube. It was suggested to control the pH value of the lubrication solution within 7~9 and the concentration of the efficient constituent not less than 70% in production practice, so as to acquire good lubrication efficiency.