2021624 Silica brick is an acid refractory material composed of tridymite cristobalite and a small amount of residual quartz and glass phase Silica bricks have good resistance to acid slag erosion The refractoriness under load is as high as 1640~1670℃ and the volume is relatively stable under high temperature for longterm use
2015210 A characteristic of silica bricks is the difference of only 10 K between the beginning and the completion of softening during the refractoriness under load test Because of their low glass content the bricks form very small amounts of liquid at high temperatures
Checker Bricks are mainly used in the hot blast stove When the hot wind is lower than 900℃ generally adopt fireclay bricks When the wind temperature is higher than 900℃ adopt high alumina refractory bricks mullite brick sillimanite brick and silica refractory bricks and etc Advantages of Checker Brick Good volume stability
2022119 Silica Brick refractory materials are acidic Has good acid resistance to erosion its good thermal conductivity high load softening temperature generally above 1620 ℃ lower than its refractories temperature 70 ~ 80 ℃
The silica checker brick has the characteristics of good volume stability at high temperature good high temperature creep under load high density and low porosity higher refractoriness under load Silica checker brick is normally used in the upper area of regenerative chaer in hot blast furnace as its good high temperature stability
Checker Bricks are mainly used in the hot blast stove When the hot wind is lower than 900℃ generally adopt fireclay bricks When the wind temperature is higher than 900℃ adopt high alumina refractory bricks mullite brick sillimanite brick and silica refractory bricks and etc Advantages of Checker Brick Good volume stability
2022119 Silica Brick refractory materials are acidic Has good acid resistance to erosion its good thermal conductivity high load softening temperature generally above 1620 ℃ lower than its refractories temperature 70 ~ 80 ℃
High quality High Refractoriness Under Load DRL145 High Alumina AndalusiteMullite Brick Used For The Burner Of Hot Blast Stove from China Chinas leading High Alumina Refractory Bricks product with strict quality control High Alumina Refractory Bricks factories producing high quality High Alumina Refractory Bricks products
1700 ℃ High initial refractoriness under load more than Good chemical stability With strong resistance to acid and basic slag erosion With strong resistance to
201214 The RUL refractoriness under load of refractory bricks is usually tested under a load of 02N/mm 2 for dense refractories such as fire — clay bricks and 01 N/mm 2 for insulating Porous materials by heating a test specimen at a gradually rising
2020114 Our silica brick advantagesAdopts high quality silica and advanced technology our silica bricks enjoy the advantages of high purity long service life good thermal conductivity high refractoriness under load and good creep resistanceIn addition it has accurate size tolerance pure color and luster appearanceBecause of the good
Silica bricks are used in the roof and superstructure of glass melting tanks as well as for hot repairs Our silica brick advantages Adopts high quality silica and advanced technology our silica bricks enjoy the advantages of high purity long service life good thermal conductivity high refractoriness under load and good creep resistance
2021126 Good creep under load performance under high temperature High bulk density Low porosity Appliion It is mainly used for hot blast stoves When the temperature is under 900℃ fire clay brick is used while the temperature is higher than 900℃ the material of checker brick should be high alumina mullite sillimanite silica etc
2013103 Fig 3 Refractoriness under load curves of refractory bricks Like majority of structural materials refractories show creep behaviour when exposed to high temperature Majority of refractories show two characteristic stages of creep In the first stage which is called primary creep the rate of subsidence declines gradually with time
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1700 ℃ High initial refractoriness under load more than Good chemical stability With strong resistance to acid and basic slag erosion With strong resistance to
202229 Silica brick is mainly used for hotblast stove tunnel kiln coke oven glass kiln acidic furnace nonferrous metal smelting and some other thermo technical equipment in good furnace building materials The Advantages of
2021624 Silica brick is an acid refractory material composed of tridymite cristobalite and a small amount of residual quartz and glass phase Silica bricks have good resistance to acid slag erosion The refractoriness under load is as high as 1640~1670℃ and the volume is relatively stable under high temperature for longterm use
Silica bricks have a surprisingly good refractorinessunderload at temperatures only 50°C or so below the melting point of pure silica 1723°C Apparently the fired grains of tridymite and cristobalite interlock being able to withstand a compressive stress of say 035 MN m −2 at these high temperature levels
Zircon Bricks a kind of shaped refractory brick are manufactured with stable zircon sand and over 64 zircon content Zircon Brick belongs to acid refractory material with various properties of high mechanical strength good thermal
2021624 Silica brick is an acid refractory material composed of tridymite cristobalite and a small amount of residual quartz and glass phase Silica bricks have good resistance to acid slag erosion The refractoriness under load is as high as 1640~1670℃ and the volume is relatively stable under high temperature for longterm use
Silica refractory bricks have high refractoriness under load The fusion point is about 1640~4680 ℃ that is close to tridymite and cristobalite’s Thermal Stability Silica fire brick has low thermal shock resistance and its refractoriness is
2022123 Silica Insulation Bricks have the advantages of high refractoriness under load not changing volume shrinkage when reheated good thermal shock resistance and protect glass liquid from pollution High refractoriness Silica Insulation Bricks are acidresistant bricks and mainly used for glass melting furnaces in building checker chaer chute
High chrome brick have features of good thermal shock resistance volume stability under high temperature alkali slags resistance and high refractoriness under load high chrome refractory brick is mainly applied to line the sintering
2020812 Silica bricks for hot blast stove for siliceous refractory products containing scaly quartz as the main phase in the high temperature part of the blast furnace hot blast stoveDue to the increase of wind temperature the clay bricks or high alumina bricks used in the high temperature parts of the previous hot blast stoves are gradually replaced by silica bricks and
2022119 Silica Brick refractory materials are acidic Has good acid resistance to erosion its good thermal conductivity high load softening temperature generally above 1620 ℃ lower than its refractories temperature 70 ~ 80 ℃