Refractory Brick
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China B2B Services
B2B Services

Refractory Brick

Silica Brick for Hot Blast Stove

Advantages:

•CUNSE has its own crystalline silica mine in Tie men Town which is famous for its silica mine.

•High purity, good thermal conductivity, high refractoriness under load and high tridymite content, low true density, low expansion, low creep and low residual quartz content, good dimension and appea rance.

Areas of Application:

•Widely used in hot blast stoves.

•Used in high temperature sections of the checker chamber in hot blast stoves.

•Used as low-cost alternative to andalusite and mullite checker bricks in hot blast stoves.

•High refractoriness, average thermal shock resistance makes it suitable in consistent temperature e nvironment.

Physical and Chemical Properties:

•mineralize•Sillica content exceeds 95% •Refractoriness up to 1710℃

Item

Silica Brick for Hot Blast Stove

Wall bricks ,

Dome Bricks

Checker Brick

SiO2 %

≥95

≥95

A12O3 %

≤1.0

≤1.0

Fe2O3 %

≤1.0

≤1.0

Apparent Porosity %

≤22

≤24

True Density g/cm3

≤2.33

≤2.33

Cold Crushing Strength MPa

≥40

≥35

Refractoriness Under Load (0.2MPa) ℃

≥1650

≥1650

Residual Quartz %

≤1.0

≤1.0

Creep Rate 0.2MPa (（1550℃*50h） %

≤0.6

≤0.6

Permanent Linear Change ( 1450℃*2h) %

≤0.2

≤0.2

Thermal Expansion Coefficient （1000℃） %

≤1.26

≤1.26

Location : Chao Yanggou, Daye Town, Dengfeng City, Henan Province, China, 452470 Daye Town,
Contact : Claire Feng, +86 371 62985001

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