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low density silica brick 95% sio2 silica fire brick silica mullite refractory bricks

FOB Price 100 - 220 USD / tons

Quick Details (View All)

Place of OriginChina ShapeBlock
MaterialSilicon Carbide (SiC), silicon Carbide SiO2 Content (%)41%
Al2O3 Content (%)>60 MgO Content (%)0.2%
CaO Content (%)0.4% Refractoriness (Degree)Common (1580u00b0< Refractoriness< 1770u00b0)
CrO Content (%)0.1~0.3% SiC Content (%)>30
Model NumberCustomers Requirement Brand NameRongSheng, RONGSHENG
ApplicationRefractory Material Bulk Density2.5
keywordproof silica ceramic refractory brick

Product Details

Standard sizing: 230 x 114 x 65 mm ,Special size and OEM Service also provide!

The size is precise, providing kinds of shapes according to customer's drawing

low density silica brick 95% sio2 silica fire brick silica mullite refractory bricks

 

Description For Silica Fire Brick:

Silica brick is made of quartz stone material, the content of SiO2 is above 93%,it has good resistance to acid slag and good heat conductivity. And the refractoriness is 1690~1710°C,RUL is beyond 1620°C.

SiO2 has different types of crystals in different temperatures, and the transform between the crystals will cause the change of the bulk. So there is a close contact between the changes of SiO2 crystals and the produce ,performance and usage of silica bricks. During the heating, there will be changes of the bulk ,and cristobalite changes most, then quartz, phosphorus quartz is the slowest of all and it also has good heat-conductivity.Coke oven should use the silica brick with small true density. And the phosphorus quartz is better than others.

Application For Silica Brick:

Mainly used in the construction of regenerative chamber, chute, combustion chamber, coking chamber, furnace roof etc. parts of the coke ovens

Silica Brick For Glass Kiln

Mainly used for coke oven of coking chamber and combustion chamber partition, steel open hearth of regenerative chamber and sediment chamber, soaking furnace, glass melting furnace, refractory silica brick materials and ceramic firing kiln and kiln of the vault and other supporting parts. Also used in hot blast stove of high temperature bearing parts and acid open hearth furnace roof.

Advantage For Silica Fire Brick:

1) Silicon oxide is above 95%.

2) Good acid erosion resistance.

3) High softening point with temperature.

4) No shrink in burn repeatedly.

5) Temperature of refractoriness under load is above 1650º C

Stable Capability, High Quality, Excellent Service, Competitive price is the most important advantage of our products.

Physical and Chemical Indicators:

 

Item

Silica brick

for coke oven

Silica brick 

for glass kiln

Furnace bed

others

BG-96A

BG-96B

BG-95A

BG-95B

SiO2% ≥

94

96

96

95

95

Fe2O3 %≥

/

0.8

1.0

1.2

1.2

0.2MPa RUL°C ≥

1650

1680

1670

1660

1650

FUSION INDES:one BRICK

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