Refractory Silica Brick for Hot-Blast Stoves S-95B

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Tianjin
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Min Order Qty:
14 m.t
Supply Capability:
30000 m.t/month

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General Information
CMAX silica brick is a kind of acid refractory product which is mainly made of tridymite and cristobalite, and a small amount of quartz and vitreous. CMAX Silica bricks are made from high quality quartz tail sand, lime and mineralizing agent through the process of crashing, screening, mixing, pressing, drying and sintering.

 
Application

Coke oven

Hot blast stoves

Glass furnace

Features
High refractoriness under load
High mechanical strength
Excellent thermal shock resistance

Resistance to thermal shock and pressure changes
Low thermal and chemical expansion


Technical Data

  ITEM

For Hot-Blast Stoves

                   For Glass Furnace

  S-94

S-95

  S-95B

  G-94

  G-95A

  G-95B

  G-96A

  G-96B

  SiO2, %

  ≥ 94

  ≥ 95

  ≥ 95

  ≥ 94

  ≥ 95

  ≥ 95

  ≥ 96

  ≥ 96

  Fe2O3, %

  ≤ 1.5

  ≤ 0.5

  ≤ 1

  ≤ 1.5

  ≤ 1.2

  ≤ 1.2

  ≤ 0.8

  ≤ 1

  Residual Quartz, %

  ≤ 1

  ≤ 1

  ≤ 1

  ≤ 1

  Apparent Porosity

  ≤ 23

  ≤ 23(24)

  ≤ 21(23)

  ≤ 24

  ≤ 22(24)

  ≤ 22(24)

  ≤ 22(24)

  ≤ 22(24)

  True Density, g/cm 3

≤ 2.35

  ≤ 2.34

  ≤ 2.33

  ≤ 2.35

  ≤ 2.35

  ≤ 2.34

  ≤ 2.34

  Cold Crushing Strength, Mpa

  ≥ 29.4

  ≥ 30(27)

  ≥ 30(20)

  ≥ 30

  ≥ 30(35)

  ≥ 30(35)

  ≥ 30(35)

  ≥ 30(35)

  Refractoriness Under Load, º C

  ≥ 1650

  ≥ 1600

≥ 1630 

  ≥ 1660

  ≥ 1650

  ≥ 1680

  ≥ 1670

  Permanent Linear Change, %

  1500º CX4h, ± 0.2

  1450º CX2h, ± 0.5

 Refractory Silica Brick for Hot-Blast Stoves S-95B

 

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Q:The specific content is what gb/t2608-2012 brick
The provisions of the brick classification, technical requirements, test methods,
Q:Can iron oxide be used as refractory material?
Iron oxide can not be used as refractory material, but it can be used as refractory additive. Iron oxide can be used as pigment
Q:Brick
Acidic silica brick refractory material, has good acid resistance and slag erosion, softening temperature is as high as 1640 to 1670 DEG C, in the long-term use volume is relatively stable under high temperature.
Q:The production of brick, the ingredients of why join the waste brick?
The production of silicon material is added to the cause of waste brick:Preparation of silica brick pug, a certain amount of waste silica brick used to add ingredients, for the purpose of expansion and stress reduction products during firing
Q:Can not use it two brick
The softening temperature is up to 1640~1670 DEG C, and the volume is stable at high temperature for a long time.
Q:The high thermal conductivity of silica brick and traditional brick what is the difference?
The scale quartz is a spear shaped double crystal structure, very compact and favorable to the increase of thermal conductivity. The high thermal conductivity of silica brick in improving thermal conductivity and other performance indicators and traditional coke silicabrick agreement.That is to say, the high thermal conductivity of silica brick all inherited the traditional advantages of coke oven silica brick, on the basis of further highlight the characteristics of high thermal conductivity
Q:High temperature refractory material?
Many kinds of refractory materials, usually by refractoriness level is divided into ordinary refractory materials (1580 to 1770 DEG C), advanced refractories (1770 to 2000 DEG C) and special refractories (more than 2000 DEG C); according to the chemical characteristics into acid refractory material, refractory materials and basic refractory materials. In addition, the refractory material used for special occasions.Now the definition of refractory materials, has not only depends on whether the refractoriness at 1580 DEG. Refers to the current refractories used in metallurgy, petrochemical, cement, ceramics and other production equipment with inorganic non-metallic materials.
Q:Semisilica brick interpretation
Good thermal shock resistance. In use, more high viscosity glass phase can be formed, and the masonry brick joint and the working surface are dense and the masonry is complete, which is beneficial to improve the impermeability of the masonry and reduce the erosion effect of the slag on the masonry.
Q:Glass kiln brick for physical and chemical indicators?
Glass kiln with high quality silica brick products according to the standard JC/T615-1996, the single brick is divided into 3 grades: XBG-96, ZBG-96, DBG-96.
Q:Why will expand when heated brick
In the process of SiO2 drying, the four crystalline transformation points of 117, 163, 180~270 and 573 DEG C are found, among which the volume expansion caused by the 180~270 is the largest.

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