... then laminated surface ,can protect sheet surface . coil material :carbon steel ,stainless steel ,alloy coil thickness :0.2-4 ... .Function It is for washing sheet surface ,use for carbon steel ,stainless steel ,alloy surface ,then laminated sheet ... ,water pressure roller ,brushing machine ,the passivation bath ,meatralization tank ,dry ,coreless winding machine ,twin type mist,waster gas treatment tower ...