Chemical Foaming Agent is a compound that can release carbon dioxide, nitrogen and other gases after being decomposed by heating, and form pores in the polymer composition; Physical foaming agent is a compound formed by the change of physical form of a certain substance through the expansion of compressed gas, volatilization of liquid or dissolution of solid in foam pores.
It can be stored in normal temperature for long time. It is nontoxic, odorless and non-pollution. It will decompose when the temperature is over 120 °C.
