There are many types of screws. How to choose when producing pipes?
Generally, we should consider the properties of the processed materials and the characteristics and requirements of the products.
For examples :
When using PVC powder material, we use parallel twin screw in usually.
When using rigid PVC material, we use Conical twin screw in usually.
When using PE\PP\PS\PA\ABS\PET material, we use single screw in usually.
When producing HDPE large pipe (diameter over 80mm), we use Conical twin screw in usually.