| rectangular copper-coated carbon electrodes (D.C.) | ||||
|
application: for cutting, removing weld and casting crowns, repairing or making dies |
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| Model | Length*Width*Thickness |
current range(A) |
||
| mm | inches | |||
| B5412 | 4*12*355 | 5/32*15/32*14 | 200-250 | |
| B5512 | 5*12*355 | 3/16*15/32*14 | 300-350 | |
| B5515 | 5*15*355 | 3/16*19/32*14 | 354-400 | |
| B5518 | 5*18*355 | 3/16*45/64*14 | 400-450 | |
| B5520 | 5*20*355 | 3/16*25/32*14 | 450-500 | |
| B5525 | 5*25*355 | 3/16*63/64*14 | 500-550 | |
| B5620 | 6*20*355 | 15/64*25/32*14 | 550-600 | |
|
carbon electrode static performance standard |
|
| electrical resistivity | 25μΩ(min) |
| breaking strength | 22Mpa(min) |
| bulk density | 1.5g/cm³(min) |
| ash content | 1.5%(min) |
| water content | 0.2%(min) |