are used for sealing off the tapping hole of cupola furnaces. The material used is graphite clay. For sealing off a stopper ladle, a stopper is screwed to the stopper rod that seals off the outlet hole.
are used for sealing off the tapping hole of cupola furnaces. The material used is graphite clay. For sealing off a stopper ladle, a stopper is screwed to the stopper rod that seals off the outlet hole.