Pure silver wire：purity quotient 99.99%. The chemistry composition performance standard: GB/T4135-2002 The product specification size performance standard: GBΩ71-79 Specification size: Φ0.1-Φ6.5mm. Can according to customer's request to produce and pack, also can request to produce the silver alloy wire according to the customer:( The silver cadmium oxide series, silver nickel series ,silver zinc series)