washer is made of stainless steel,brass,copper and aluminium with thickness from 5mm to 0.2mm.

Washer is an essential part of the spin pack operation.the proper combination of size,alloy,and material hardness is very important for a smooth work.the material is stainless steel,brass,copper and aluminium(including soft Al,wrought Al,and stain resistant aluminium alloy) with thickness from

5mm to 0.2mm.

washer