Product Description:             

Raw Material Base:

Carbon ramming paste

Electrical Calcined Anthracite

This product is produced by high quality of electrical calcined anthracite (calcined temperature around 1700°C~1800°C ), with bonding agent of coal tar, and coal tar pitch. The processing way is electrical calcined anthracite → crushing → screening → milling → grinding and mixing (with coal tar, coal tar pitch) → examination → packing →stock. This product can be used as seam bonding between steel bar and cathode block in the aluminium electrolytic cell.

ITEM

SPECIFICATION

Bulk density after baking, kg/m3 ············································

1380 min.

Volatile matter, % ·································································

8.0-10.0

Compressive strength after baking, MPa ·································

15.0 min

Specific electrical resistance after baking, μΩm ·······················

75.0 max

Ash, %··················································································

5.5 max