PVC crust or free foaming board extrusion die
Adopt 90 degree chock bar to adjust thickness and coat hanger flow channel
Thickness and width range bewteen 2-30mm and 500-2400mm..
Suitable producing for pvc foaming board .
Heating in different zones with stainless steel rod
Surface of flow channel is hard chrome plated, with thickness of 0.015-0.03mm, hardness 60-65 (ROCKWELL); outside die surface chrome plated thickness 0.01-0.02mm, facilitating maintenance and corrosion prevention.