What is calendered PVC film
The aboved production process shows how the calendered PVC films come
1. The main raw material
PVC powder is the main material for the calendered PVC films, the rest are plasticizers, stabilizers, antioxidants and colorants, etc.
2. The main equipment
PVC resin transportation system
Mixed grinding slurry metering grinding system
Automatic scale and high-speed mixer
Filter press and swing feeding device
Calender and film pulling device
Film expansion device and slow cooling and cooling device
Embossing device and cooling car
Traction, trimming device
Fixed-length crimping machine
Calender and attached machine electrical control
3. Matters needing attention in production
Inspection of the raw material is a must to have step during the whole process.
Keep the ground clean and dust-free.
The cooling water temperature needs to be strictly controlled.