Curved Fire Brick Customized Size Refractory Firebricks For Sale
Curved firebrick is made from low mullite stones, the main mineral composition of the low mullite stones are pressed and sintered mullite phases. curved firebricks have very good physical and chemical properties in high temperature conditions. curved fire brick is widely used in the non-ferrous metal metallurgy, glass industry, ceramic kiln, cement rotary kiln, steelmaking furnace, chemical industry, construction industry and other industries.
Curved Firebrick Description
curved refractory brick contains Al2O3 about 30% ~ 45%, and silica content is lower than 78%. curved refractory bricks belong to the weak acid refractory materials. curved refractory block is resistant to acid slag and the erosion of acid gases, but the alkali resistance ability is a bit poor. curved refractory blocks have the characters of good thermal performance and good thermal shock resistance.
Properties of Curved Firebrick
.High refractoriness,
.Good corrosion resistance,
Good thermal shock resistance,
.High mechanical strength,
.High-temperature creep rate is low,
.Good spalling resistance and wear resistance.
Rongsheng Refractory Curved Firebrick Specifications
Curved Firebrick
Index 40 – 45% Alumina
Fireclay Brick
30 – 35% Alumina
Fireclay Brick
Item Unit 1600°C 1500°C
Bulk Density g/cm³ 2.2 2.1
Apparent Porosity % 22 24
Modulus of Rupture kg/cm² 90 80
Cold Crushing Strength kg/cm² 300 250
Linear Expansion 1350°C % 0.2 0.2
Refractoriness Under Load °C 1450 1300
Application of Curved Firebrick
Curved firebrick is mainly used for the insulating lining of hot surfaces or backing heat-insulating layers of other refractory materials. the refractory linings or heat-insulating materials of the industries, such as ethylene pyrolysis furnaces, tubular furnaces, reforming furnaces of synthetic ammonia, gas generators and high- temperature shullte kilns,etc.
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