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Showing posts with label Refractory castables. Show all posts
Showing posts with label Refractory castables. Show all posts

Type of Refractory Castables by CaO Content

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There are various types of refractory castables:
  • Conventional castable 
  • Low cement refractory castable
  • Ultra low cement refractory castable
  • No cement castable
According to ASTM C401-89, based on its CaO content Refractory castables can be classified into the following categories:

Type
CaO Content
CC = Conventional or Regular Castables (Konventionelle Feuerbetone)
CaO = More than  2.5%
LCC = Low Cement Castables
(Zementarme Feuerbetone)
CaO = 1 - 2.5%
ULCC = Ultra Low Cement Castables (Ultrazementarme Feuerbetone)
CaO = 0.2 - 1%
NCC = No Cement Castables
(Zementfreie Feuerbetone)
CaO = Less than 0.2%