Heat Insulation Fire Insulation Brick For Furnance

Specifications Fire clay bricks with good high temperature resistance capability, widely used for boilers and different kilns and furnaces.

Heat Insulation Fire Insulation Brick For Furnance   Fireclay bricks is Al2O3 content of 30% to 40% aluminum silicate clay material products,  with 50% clay and 50% soft hard clay clinker, As the size requirements for certain ingredients,   after forming, drying, firing at a high temperature of 1300 ~ 1400 ℃. temperature of  1300 ~ 1400 ℃. common brick, special-shaped brick. They are widely applied in coke oven,   blast furnance, air stove, molten steel ladel, gating system, boiler, cement kiln, glass kiln, kinds of
kiln lining and thermal equipment.

 

Fire clay bricks
Dimension	230*114*65(mm)
Bulk Density	2.05,2.1-2.15, 2.3-2.4, 2.4, 2.5
Packaging Details	Pallet covering by PE membrane
Applications	Metallurgy, Chemical industry, Heat treatment furnace.

 
  Fire clay brick technical data      

item	SK-32	SK-34	SK-36	SK-37	SK-38
AI2O3(%)	38	42	50	65	70
Fe2O3 (%)	3	2.5	2.5	2.4	2
Refractoriness (SK)	32	34	36	37	38
Refractoriness under load, 0.2MPa, Ta, ((°C)	1300	1350	1450	1550	1580
Porosity (%)	26	25	24	23	23
Bulk density (g/cm³)	2.05	2.1-2.15	2.3-2.4	2.4	2.5
Cold crushing strength (MPa)	25	25	45	45	51
Thermal expansion at 1000°C (%)	0.6	0.6	0.3	0.5-0.7	0.6

           Fire Clay Brick Features   1. Low bulk density, low thermal conductivity, good thermal insulation performance.   2. Good chemical stability,stable high temperature performance
  3. Good integrity with furnace lining, long service life, easy operation.    4. Can be used in various kilns because of its cheapness and general tray package.   5. Easy to cut,shaped freely.