METHOD FOR CLEANING NEEDLE FOR NEEDLE PUNCH

摘要

PROBLEM TO BE SOLVED: To provide a method for cleaning a needle for a needle punch capable of safely and securely cleaning the needle for the needle punch contaminated toy a polymer at a low cost without fear of air pollution. SOLUTION: The method for cleaning the needle for the needle punch is to cover the surface of an organic solvent with a film of a liquid of which the specific gravity is lower than that of the organic solvent, and which does not dissolve in the organic solvent, when soaking and cleaning the needle for the needle punch in the cleaning tank filled with the organic solvent.