Copper balls with 99.99% purity maintain extreme softness. They are frequently used because ease of drilling, outstanding mechanical and corrosion resistance, and excellent thermal and electrical conductivity.
Corrosion Resistance: Good corrosion resistance in industrial and marine environments, with steam, alkali, and neutral saline solutions. They do not resist contact with oxidizing acids, halogens, sulfides, ammonia, or seawater.
Applications: Include valves, sprayers, instruments, pressure gauges, water meters, carburetors, jewelry, and numerous mobile accessories and appliances.

| Specification | |
|---|---|
| Material | 99.9% copper |
| Diameter | 1.5mm – 50.8mm |
| Precision Grade | G100-G1000 |
| Technical Data | |
|---|---|
| Hardness (Shore D) | HV40-120 |
| Density | 8.910g/m3 |
| Young’s Modulus | 123GPa |
| Tensile Strength | 220-320MPa |
| International Standard | |||||||
|---|---|---|---|---|---|---|---|
| EN | USA | GER | FRA | UK | RUS | CHN | JAP |
| CW004A | C11000 | 2.0065 | Cu-a 1 | C101 | M0 | T2 | C 1100 |
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