How-To: Homemade Castable Refractories | Make:
2010-4-16 · The thickness of refractory cement lining should preferably be between 40 mm and 200 mm. The minimum thickness of castable refractories in convection sections of fired heaters should be 75 mm. The tolerance of lining thickness should be ±5 mm. 4.16.10 Application of Lining. Refractory concrete lining is applied by gunning or casting.
Get Price