Shock-absorbing polyurethane foam sheet for packaging; non-metal waterproof seals for caps of bottles and jars; non-metal waterproof seals for use in food and beverage packaging; non-metal dustproof seals for use in packaging; semi-processed plastic substance for adhesive tapes; semi-processed plastic substances containing reflective base materials; light-shielding films of plastic; light-shielding sheets of plastic; sheets made out of resin for use as base material for adhesive plasters; moi...