How to reserve expansion joint for refractory castable?
2020-8-7 · 1. Reduction and expansion of refractory castables: generally, the refractory castables are constructed under normal temperature. When the refractory castables are heated at 50 ℃ ~ 200 ℃, they will be dehydrated and sintered at 900 ℃ ~ 1000 ℃, and the volume will be reduced twice. In other temperature range, make it expand.Get Price