refractory brick

Specifications Fire clay brick consisting of 30-45% alumina,low iron ,low alkali

Features 1. Low bulk density, low thermal conductivity, good thermal insulation performance. 2. Refractory category allow direct contact of fire, suitable ofr various atmosphere 3. Good integrity with furnace lining, long service life, easy operation, could be shaped freely Typical Applications 1. Furnaces of metallurgy industry, heat treatment furnace 2. Furnaces of chemical industry and construction industry. 3. Furnace of incineration of garbage, recirculating fluidized bed furnace Standard sizing: 230 x 114 x 65 mm others up to the client  

Fire clay brick SK-32
Item	Standard
AI2O3(%)	30
Fe2O3 (%)	3
Refractoriness (SK)	32
Refractoriness under load, 0.2MPa, Ta, ((°C)	1300
Porosity (%)	22-26
Bulk density (g/cm³)	2.05
Cold crushing strength (MPa)	25
Thermal expansion at 1000°C (%)	0.6
Fire clay brick SK-34
Item	Standard
AI2O3(%)	38
Fe2O3 (%)	2.5
Refractoriness (SK)	34
Refractoriness under load, 0.2MPa, Ta, ((°C)	1350
Porosity (%	19-23
Bulk density (g/cm³)	2.10-2.15
Cold crushing strength (MPa)	25
Thermal expansion at 1000°C (%)	0.6
Fire clay brick SK-36
Item	Standard
AI2O3(%)	50
Fe2O3 (%)	2
Refractoriness (SK)	36
Refractoriness under load, 0.2MPa, Ta, ((°C)	1450
Porosity (%	20-24
Bulk density (g/cm³)	2.30-2.40
Cold crushing strength (MPa)	45
Thermal expansion at 1000°C (%)	0.3