Tapping Electrodes

Picture of a tapping electrode made from SIGRAFINE fine-grain graphites

The manufacture of tapping electrodes - or stinger pencils - presents a major challenge as these extremely long, thin objects can easily bend. Based on our experience with the material and in manufacturing, we developed a type of graphite in which the tendency to sag remains under 0.5 cm in terms of the total length – clearly the top performer in its class.

The combination of material and length of the electrodes for furnace tapping we offer allows an accurate approach to the opening by the operator and a greater safety distance from the furnace. Further advantages are a uniform resistance and arcing behaviour as well as less time needed for changing the electrode, a longer cycle time and easy workability for establishing contact.

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