PE foam pipe is a kind of new-type foaming material and it is widely used in the installations of air conditioner pipeline, heat insulation, toy guardrail, recreation places etc. due to its good foaming, elasticity and heat preservation. As a kind of new type foam filling and ornament material, PE foam stick is widely used in spring mattress, sofa stem and edge, automobile seat, sofa backrest and to-grade clothing. It is also widely used in the filling of contraction joint in building due to its good rebound elasticity.