1.The mullite-cordierite based products are featured by their low thermal expansion coefficient,high thermal shock resistance and long service life. No split, oxidation and pollution to the fired ceramic occurs during the use of the products.
Various mullite-cordierite based kiln furnitures such as pushers, firing supporters, saggers and crucibles are produced in accordance with the requirement of the customers.
Various mullite-cordierite based kiln furnitures such as pushers, firing supporters, saggers and crucibles are produced in accordance with the requirement of the customers.
2.
|
Item
|
Plates
|
|
Al2O3 , %
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≥40
|
|
Fe2O3 , %
|
≤0.8
|
|
Bulk density ,g/cm3
|
≥1.85
|
|
Apparent porosity , %
|
30
|
|
Modulus of Rupture/Mpa ,at20°C
|
10
|
|
Modulus of Rupture/Mpa ,at1250°C
|
7
|
|
Thermal expansion coefficient°C
|
30
|
|
Refractoriness under load ,°C
|
1380
|
|
Thermal shock resistance (water quenching at 1100)(Times)
|
50
|
|
Max service temperature,°C
|
1250
|