Chamotte

 

The standard Al2O3 content of chamotte ore is 38%, after calcination the Al2O3 content is about 44%, and Fe2O3<2%. The composition is stable, the texture is uniform, the structure is dense, and the section is shell-shaped and white. The technical term is the first-grade hard clay clinker, the main chemical components are AL2O3 and SiO2, accompanied by a small amount of Fe2O3 and trace amounts of Na2O and K2O. The main mineral is kaolin.

 

The chamotte we call generally refer to CALCINED CLAY. The content of Al2O3 in the calcined is about 44%, and the content of Fe2O3 is not more than 2%. The composition is stable, the texture is uniform, the structure is dense, and the section is shell-shaped.

The common colors  after high temperature calcination are: pure white, light gray, light yellow brown, and a small amount of brown iron sheet.

 

 

 

 

Properties & Brand	YNS45	YNS45	YNS44	YNS44	YNS43	YNS42	YNS40
	A	B	A	B
AL2O3 %	46	45	44	44	43	42	40
SiO2 %	49-52	49-52	50-53	50-53	50	50	50
Fe2O3 %	1	1.15	1.3	1.5	2	2.5	3
TiO2 %	0.8	0.8	0.9	0.9	1	1.1	1.2
K2O+Na2O %	0.3	0.3	0.4	0.4	0.4	0.5	0.5
CaO+MgO %	0.5	0.5	0.5	0.5	0.5	0.6	0.7
Bulk density g/cm³	2.58	2.55	2.52	2.5	2.45	2.4	2.37
Refractoriness °C	1780	1770	1760	1750	1740	1720	1710

 

 

 

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