three-layer coextrusion blow film machine 1.Three layer 2. rotary die Three-layer Common- ... , for instance holding temperature, anti humid, antifreeze, anti-rust, insulation oxygen, oil resistive and so used for light and heavy ... dimension6600 x4100x5000mm6800x4300x6000mm7000x4800x6800mmWeight of machine4T5T6T 3-layer coextrusion film blowing machine/film blowing machine/insulation blowing machine