Product Description   Product Description Alumina Ceramic Sagger  is our main product.We can supply high quality Alumina ceramic sagger  Application: Used in High temeprature furnace and kilns. For Melting High temperature application     Techcnical data 

Item	KT1	KT2	KT3	KT4
Al2O3 %	≥ 40	≥ 65	≥ 80	≥ 92
Fe2O3 %	≤ 1.5	≤ 1.5	≤ 1.2	≤ 0.5
SiO2%	≤48	≤28	≤18	≤5
density g/cm3	≥2.0	≥2.4	≥2.6	≥3.7
Thermal expansion 1000 C	2.30	5.0	6.50	7.8
Refractoriness C	≥ 1580	≥1650	≥ 1750	≥ 1850
Thermal stability 1100 C--(cold water)times	≥ 70	≥ 20	≥ 10	≥ 5
Working temperature	≤ 1250	≤ 1350	≤ 1450	≤ 1500

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