Capsuled Blowing Agent is a thermo-expandable microcapsule blowing agent. This polymeric microspheres are small, spherical particles with an acrylonitrile copolymer, encapsulating a blowing gases. Capsuled Blowing Agent is an white fine powder with expansion starting temperature in air of 135~145℃, and the maximum expansion at 190~195. Thermo-expandable sphere can be used as a blowing agents for PVC shoes with injection molding, textiles, wallpapers.