1. Introduction of the Earthing copper strip tape
Pure copper strip is soft and malleable; a freshly exposed surface has a reddish-orange color. It is used as a conductor of heat and electricity, as It has excellent electrical conductivity, thermal conductivity, corrosion resistance , weather resistance and processing properties, can be welded and soldered.
2. Grade and temper for Earthing copper strip tape
Grade: Cu-ETP, JIS-C1100, ASTM-C11000, CDA110, GB- T2 ,BS-C102
Temper: O, 1/4H, 1/2H, H, EH
3. Chemical composition of Earthing copper strip tape
Cu+Ag:≥99.90
Sn :≤0.002
Zn:≤0.005
Pb:≤0.005
Ni:≤0.005
Fe:≤0.005
Sb :≤0.002
S :≤0.005
As :≤0.002
Bi:≤0.001
O:≤0.06
Impurities:≤0.1
4. Dimension and tolerance of Earthing copper strip tape
Width | Thickness |
≤1.0 | >1.0~1.5 | >1.5~2.5 |
Thickness tolerance / ± |
Ordinary Level | Ordinary Level | Ordinary Level | Ordinary Level | Ordinary Level | Ordinary Level |
≤100 | 0.2 | 0.10 | 0.3 | 0.20 | 0.4 | 0.25 |
>100~300 | 0.3 | 0.15 | 0.4 | 0.25 | 0.5 | 0.30 |
>300~600 | 0.5 | 0.30 | 0.6 | 0.40 | 0.6 | 0.50 |
>600~1000 | 0.8 | 0.60 | 0.8 | 0.70 | 0.8 | - |
5. Mechanical properties for Earthing copper strip tape
Grade | Temper | Thickness /mm | Tensile strength | Elongation (%) | Vickers hardness HV |
(MPa) |
T2 ,T3 | M(soft) | ≥0.2 | ≥195 | ≥30 | ≤70 |
TU1,TU2 | Y4(1/4H) | 215~275 | ≥25 | 60~90 |
TP1,TP2 | Y2(1/2H) | 245~345 | ≥8 | 80~110 |
| Y(H) | 295~380 | ≥3 | 90~120 |
| T(HH) | ≥350 | - | ≥110 |
6. Application of Earthing copper strip tape
Pure copper strip is often used in related applications, like transformer, busbar, electronic assembly. Electrical appliance, connectors, tools and molds, construction, aviation, military, decoration and so on.
7. Manufacture plant of Earthing copper strip tape