Foam sealing strip is a kind of sealing strip that makes use of the characteristics of certain materials to make pores appear inside through processing. Divided into EPDM foam seals, silicone foam seals, PU foam seals. The foam sealing strip is formed by microwave vulcanization process at one time, the surface is smooth and beautiful, and there is no contact mark. Has good elasticity and compression resistance, excellent aging resistance. Excellent flame retardant performance, low smoke and low toxicity; stable product performance and high dimensional accuracy.