corundum mullite bricks for high temperature hot blast furnace manufacturer from China Shandong Gaoha Refractories Technology Co.,Ltd.

Product Detail

Means of Transport: Ocean

Packing: wooden pallet

Brand Name: gaoha

Production Capacity: 40 ton/month

Delivery Date: 45days

mainly used as linings applicaions in Petroleum & Chemicals,Ceramics,Refractory,Electronic industry.

Description of product

Name	corundum products
Ingredient	Dense fused corundum, Synthetic mullite,Chrome,etc
Fire resistant	≥1790℃
Advantages	1.high density& temperature resistibility 2. low bulk density, high compressive strength, 3. resistance to high temperature(≥1790℃) 4.good thermal shocking resistance 5.Excellent corrosion resistant to acids and alkalis 6.They are not influenced by H2, CO gases during use
Size and specifications	230x114x65mm The size, density, chemical composition can be customized.

Technical Data

Item	High purity corundum bricks DL-98	Normal corundum bricks DL-95	Normal corundum bricks DL-90	Corundum Mullite Products MDL-80	Chrome corundum brick/corundum-chrome firebrick GDL-85
Al2O3％≥	98.5	95	90	80	85
Cr2O3％≥	/	/	/	/	8
SiO2％≤	0.3	3.0	9.0	18	0.2
Fe2O3％≤	0.2	0.2	0.5	0.5	0.2
R2O％≤	0.3	0.6	0.6	0.4	0.5
Bulk Density (g/cm3 ≥)	3.0	2.9	2.9	2.7	3.1
Compressive strength at normal temperature (MPa≥)	75	100	100	60	80
Fire resistant (°C≥)	1790	1790	1790	1790	1790
Soften point at 0.2 MPa load KD °C	1700	1650	1650	1700	1700
Liner Change(%)1600°C x3h	0.2	0.2	0.2	0.3	0.2
Thermal shock stability 1100 °C water	6	10	10	20	15