Locks VF 69E is an evaporating fluid specially engineered for the punching, stamping and rolling of thin sheet metals. This product is incorporated with rust inhibitor ,polymer ester to enhance the rust prevention time and tool life. The selected solvents of VF 69E will evaporate and only leave an extremely light protecting film on the metals parts, which need not to be cleaned at most of the subsequent handling. This product is especially suitable for copper and galvanized steel thin sheet working. Locks VF 69E is wildly used in electrical and computer industries.