Punmo emperor capitulum swabs from 100 ppi opening polyurethane sponge sponge and thermoplastic polypropylene rod and adopted two thermoplastic process make the sponge firmly and polypropylene blend together, avoid the pollution of adhesive and coating agent, and also to prevent the collapse in the process of wiping sponge, dust-free workshop at ISO purification level 4 purification with pure water cleaning and double bag, products in the process of using only very low dust particles and ions content, at the same time show more excellent abrasion resistance, for the majority of solvents including acetone, have good compatibility, and the absorption of the solvent has good and locking capabilities.