... membrane material base cloth, PTFE base cloth, PVA basecloth, PU base cloth, silica gel base cloth and conveyer belt base cloth. Theyare used for ... membrane materials, conveyer belt, projectionscreen, advertising cloth, light box cloth, blind fabric, high-temperaturefilter cloth, PVC and PTFE flexible smallpox, high insulation ... between 15-30 and relative humidity between 40%-70%, Sun cloth havelock