1. The coating of the conductor shall be continuous and firm, and the surface of the sample shall be free of oxidation and blackening after the test.2. The coating surface of the conductor should be smooth and continuous, without particles, burrs, mechanical damage and other harmful defects.
|Thickness (mm)||Width (mm)|
|Silver-plated copper flat wire||BTRY||0.03 -0.30||0.25 -4.50|
|Nickel-plated copper flat wire||BTRN||0.03 -0.30||0.25 -4.50|
|Alloy flat wire (tin plated, silver plated, nickel plated)||BHY||0.03 -0.30||0.25-8.0|
|Raw materials and product standards||1. Silver plated copper wire||GB/T3135|
|2. Tinned copper wire||GB/T 4910|
|3. Nickel plated copper wire||GB/T11019|
|4. Copper for electrical purposes||GB/T3953|
|Resistivity||Model||(Ωmm²/m at 20°C)|
|Mechanical properties||Model||Tensile strength (N/mm) not less|
|soft state||hard state|
|BHY||Depending on the specific alloy||Depending on the specific alloy|
|Plating||1. The coating of the conductor shall be continuous and firm, and the surface of the sample shall be free of oxidation and blackening after the test.
2. The coating surface of the conductor should be smooth and continuous, without particles, burrs, mechanical damage and other harmful defects.
|Inspection rules and test methods||Product inspection: incoming inspection → process inspection → finished product inspection, finished product inspection qualified factory each batch of products with quality inspection certificate.|
|Inspection Items||Serial Number||Project||Test Method|
|1||Silver content and coating thickness||Coating tester|
|2||Monofilament Diameter and Tolerances||micrometer micrometer|
|3||Appearance||Normal Visual Examination|
|5||Mechanical properties||GB/T 4909.3|