"This document specifies the requirements, test methods, inspection rules, marking, packaging, storage and transportation of soft polyurethane sponges for underwear mold cups. This document applies to soft polyurethane sponge sheets and rolls for underwear mold cups. Note: This Soft polyurethane sponges mainly include general-purpose polyurethane sponges and high-resilience polyurethane sponges used for underwear cotton mold cups. "