The type of screw is unequally spaced and unequally deep, single screw thread. When the compression ratio is 2.5:1, it can extrude all kinds of soft and hard silicon rubber with the degree of 30 to 80 (Shore A hardness)well.
Others news:
The type of screw is unequally spaced and unequally deep, single screw thread. When the compression ratio is 2.5:1, it can extrude all kinds of soft and hard silicon rubber with the degree of 30 to 80 (Shore A hardness)well.
Another news:
