silver plated copper wire

MODEL:TRY NAME: Silver Plated Copper Wire DIAMETER:0.02mm-2.6mm Material & Production standard 1.Copper WireGB/T3953-83 2.Silver GB/4135-2002 3.SilverPlated Soft Copper Wire JB/T3135-1999 Resistivity Not Exceed 0.017241Ω·mm2/m,at 20,Resistivity Temperature0.00391/ Dimension & Tolerance Normal Diameter mmPermissible Variations mm 0.03-0.100 ±0.003 0.110-0.250 ±0.005 0.251-0.700 ±0.010 0.710-1.000 ±0.015 1.100-2.000 ±0.020 Machine Capacity Normal Diameter mm Tensile Strength≥ elongation%≥ 0.03-0.100 --- 5.5 0.11-0.150 196 10 0.160-0.250 196 15 0.251-0.500 196 20 0.510-1.000 196 25 1.100-2.000 196 25 Plated 1.The plating of the conductor is continuously on surface firmly, after testing no black is on the samples surface. 2.The conductor is smooth and continuous on the surface , free from some injurious defects such as grains, burr, mechanical and so on. Testing 1. All products must be tested qualified before delivery,the quality certification report should be delivered together with each batch.. 2.Products testing rule is as follows : NO Item Testing Method 1Silver Percentage&Plated Thickness Plated Thickness Tester 2Diameter &Tolerance Micrometer in micro 3Appearance Nominal Vaisual Test 4Continuity of platedGB/T4909.910 5Machine Capacity GB/T4909.3 6Resistivity GB/T3048.21994