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Flint Clay Gemstone Aggregate to Make Low Porosity Clay Brick

China Flint Clay Gemstone Aggregate to Make Low Porosity Clay Brick, Find details about China Flint Clay, Calcined Fire Clay from Flint Clay Gemstone Aggregate to Make Low Porosity Clay Brick

Trademark
TOP
Origin
China
HS Code
2508300000
Trademark
TOP
Origin
China
HS Code
2508300000
Refractory calcined flint clay,Calcined chamotte,Calcined fire clay :
Flint Clay Gemstone Aggregate to Make Low Porosity Clay Brick

Product Description:
Flint  Clay:
a high quality hard refractory clay.The raw ore is gray, gray and gray black, with fine structure and high hardness. It is not dispersed in water and has low plasticity.It is formed by the calcination of the pyrogemite ore at high temperature. The content of Al2O3 in the calcined pyrogem is about 44%, and the content of Fe2O3 is not more than 2%.Stable composition, uniform texture, compact structure, low water absorption, shell shaped section, white, used to produce high quality clay refractory.The technical term is grade I hard clay clinker, the main chemical components are Al2O3 and SiO2, and a small amount of Fe2O3 and trace of Na2O and K2O are kaolin.
Features and advantages:
1. High refractoriness.
2. Physicochemical stability.
3. Volume density high .
4. Low porosity.
5. Low water absorption.
6. Fully calcined
7. Low impurity content.
8. Pure white.
Physiochemical index:
Item/GradeM45M47M60M70
Al2O3 (%, MIN.)45476070
Fe2O3 (%, MAX.)1.01.201.351.30
SiO2 (%,MAX)52503727
TiO2 (%)0.81.01.800.80
K2O (%)0.080.080.100.10
Na2O (%)0.080.080.080.10
MgO (%)0.100.100.100.10
CaO (%)0.300.300.350.35
Buld density (g/cm3)2.552.642.782.80
Refractoriness deg .C MIN1750179018201850
Apparent porosity % MAX2.02.02.82.8
Mullite % MIN55657878
 
No. of Product  Mullite 
Phase composition of Mullite (%)60
Phase composition of Cristobalite (%) 0
Phase composition of amorphous phase (%) 40
SiO2           %54.2
Al2O3         %42.3
Fe2O3         %0.4 max.
TiO2       %0..6 max. 
Na2O        %0.3 max.
K2O         %1.6 max.
CaO       %0.4 max.
MgO         %0.3 max.
Ig Loss (1200°C) %0.18
linear expansibility(100-1000°C)≤4.4×10-6/°C
Real density(g/cm3)    2.70
Bulk density(g/cm3)>2.50
Apparent porosity(%)<3.0
Refractoriness(°C)>1770
Strength of room temperature
(MPa)		4.79
Strength of high temperature
(MPa)		10.69
Strength of retained strength (MPa)9.45
Size For kiln furniture:-22,-30,-120(mesh)
Size For shell of precise casting: powder-200(mesh)
Size For aggregate16-30,22-60,30-60,50-80(mesh)
Size For For refractories2-6.7,2-4.7,1-2(mm)

Application:
Sintered mullite is a high-quality refractory raw material, Can be used in the manufacture high quality refractory bricks and castable, etc.
Flint Clay Gemstone Aggregate to Make Low Porosity Clay Brick


Packing Details:
50kg woven bag with PE inner bag , 1 ton Jumbo Bags or custom packing.


 

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