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Low Porosity Low Creep Clay Brick

 

Specifications:

     1. According the shape, it can be divided into standard brick, special-shaped brick.

     2. According the model, it can be divided into ZGN, GN series, RN series, DN series and so on.

     3. According the characteristic, it can be divided into low creep fireclay brick, low porosity fireclay brick etc.

 

 

The physical and chemical indicators

clay refractory brick	ZCN-42	GN-42
AL2O3 /%	=42	=42
Fe2O3 /%	=1.6	=1.7
Refractoriness /°C	=1750	=1750
Apparent porosity/ %	=15	=16
Cold crushing strength/ Mpa	=58.8	=49.0
Refractoriness under load/   °C	=1450	=1430
Reheating Linear Change(1450°C,3h)/%	0~-0.2(3h)	0~-0.3(3h)
Permeability	This test  must be conducted. The data of test shall be included in the   quality certificate.