BS4535 heat shrink packing is often use No.21 PP/PVC/POF film to wrap and pack material. This equipment model is our hot selling machine. Semi-automatic heat shrink packing BS4535 adopts quartz far-infrared tube as heating source, electronic on-step speed variation, automatic temperature regulation, solid relay control, stable and reliable, low noise and long duration. The packed products can be sealed well, prevented from getting damp and protected against knocks. It is suitable for tight wrapping packaging of many-pieces articles and tray packaging.