22/45, 35/75, 40/80, 45/90, 45/97, 50/105, 51/105, 55/110, 58/125, 60/125, 65/120, 65/132, 70/143, 70/150, 70/158, 80/143, 80/156, 80/172, 90/188, 92/188, 95/190, 105/191, 100/200

The above sizes are standard sizes, we can customize screw barrels according to customers’ requirements.

The compression ratio of screws can be designed according to different products and ingredients.

We have rich experiences on manufacturing conical twin screw barrel for PVC pipe, PVC sheet, PVC film, PVC profile, PVC granules, PVC foaming, PVC micro foaming, soft PVC, WPC+PVC, WPC+PE, raw material compound high percents Calcium powder, recycle material etc.