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Honeycomb Ceramic Baffle Brick

Honeycomb Ceramic Baffle Brick

    Product Description

    Ceramic baffle brick, also called perforated strainer brick, which has been widely applied to industrial furnaces with regenerative combustion technology, usually installed in front of honeycomb ceramic regenerator, it not only protects heat storage substrate but also extends its life.

    Sized or shape: Customized according to customer's requirements or drawings.

    Material: High alumina, mullite, corundum, corundum mullite, zirconia mullite, chromium corundum mullite, zirconia corundum mullite and so on.

Physical and chemical property

Item 200cpsi 400cpsi
Compressive strength Mpa A Axis 15 15
B Axis 1.5 1.5
C Axis 0.2 0.2
Water absorption % Min 18.6 17.8
Max 23.4 20.7
Average 22.1 19.6
Thermal expansivity 20-1000℃ 10-6/K 1.5-1.8
Thermal conductivity 25-600℃ W/m.K 1.5-1.6
Specific heat J/g.K 100℃ 0.8 1.5-1.6
200℃ 0.95 0.95
300℃ 2 2
Soften temp. ℃ 1380 1380
Continuous high-temp. Durability % (After 100 hours) 1200℃ 0.5 0.1
1450℃ 2 2.5
Heat consumption rate ℃/min 20-1000℃ 5 5

Chemical Composition

Item Stoneware Cordierite Mullite-cordierite Mullite
SiO2 % 69-71 46-48 45-50 27-28
Al2O3 % 18-30 34-37 45-50 70-71
MgO % 0.15-0.20 12.0-14.0 6.0-9.0 —
K2O+Na2O+CaO % 3.3-3.3 2.5-2.9 0.7-0.9 0.8-1.2
Fe2O3 % 0.7-0.9 20.7-0.9 0.5-0.7 0.5-0.7
TiO2+BaO % 0.2-0.25 0.3-0.4 - -

Item Mullite Corundum mullite Corundum mullite Corundum Corundum
Chemical composition (%) A12O3 ≥60 ≥70 ≥75 ≥80 ≥85
Bulk density (g/cm3) 1500°C×3h ≥2.5 ≥2.5 ≥2.5 ≥2.6 ≥2.65
Compressive strength (MPa) 1500°C×3h ≥70 ≥80 ≥90 ≥100 ≥110
Bending strength (MPa) 1500°C×3h ≥8.0 ≥8.5 ≥9.5 ≥11 ≥12
Linear Change On Reheating (%) 1500°C×3h ±0.6 ±0.5 ±0.4 ±0.3 ±0.2
Max. Use Temp. (°C) 1450 1500 1550 1600 1650

Specifications

200×80×100 6~15 400×100×100 6~15
200×100×100 6~15 450×80×100 6~15
250×80×100 6~15 500×80×100 6~15
300×80×100 6~15 500×100×100 6~15
300×100×100 6~15 550×100×100 6~15
350×80×100 6~15 600×100×100 6~15
350×100×100 6~15 600×200×100 6~15
400×80×100 6~15 600×300×100 6~15

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