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Honeycomb Protective Blocks

Honeycomb Protective Blocks

Honeycomb Protective Blocks

Products Introduction of Honeycomb Protective Blocks

Honeycomb protective blocks are also named as "baffle bricks" in China. In regenerative furnace (such as RTO application), they are installed in front of honeycomb ceramics to protect honeycomb ceramics and extend the life of them. So the first thing to consider is their high-temperature property and thermal shock resistance. KELLEY's honeycomb protective blocks, with white fused alumina as the main raw material, are of fine high temperature stability and excellent thermal shock resistance effect. Using our white fused alumina blocks, you can double the using life of honeycomb ceramics; significantly reduce the downtime of plant and production costs.

Chemical analysis of Honeycomb Protective Blocks

Items

White fused alumina

Mullite

Normal alumina ceramics

Al2O3(%)

80-86

56-65

53-60

SiO2(%)

11-19

32-41

37-44

Others (%)

≤3

≤3

≤3

Specific gravity (g/cm3)

1.7

1.5

1.5

Thermal expansion (X10-6/OC)

6.5-8

7-8

7-8

Max. operating temp. (OC)

1650

1450

1350

Compressive strength (MPa)

>35

>30

>30

Technical Specification of Honeycomb Protective Blocks

Size (mm)

Cell size (mm)

Wall thickness (mm)

Specific surface (m2/m3)

Porosity (%)

200 × 80 × 100

Ф14

6-8

87

36

250 × 80 × 100

Ф14

6-8

87

36

300 × 80 × 100

Ф14

6-8

87

36

350 × 80 × 100

Ф14

6-8

87

36

400 × 80 × 100

Ф14

6-8

87

36

450 × 80 × 100

Ф14

6-8

87

36

500 × 80 × 100

Ф14

6-8

87

36

200 × 100 × 100

Ф14

6-8

80

36

250 × 100 × 100

Ф14

6-8

80

34

300 × 100 × 100

Ф14

6-8

80

34

350 × 100 × 100

Ф14

6-8

80

34

400 × 100 × 100

Ф14

6-8

80

34

450 × 100 × 100

Ф14

6-8

80

34

500 × 100 × 100

Ф14

6-8

80

34

600 × 100 × 100

Ф14

6-8

80

34

Above is routine data, we can upgrade it as you require.

Packaging & Shipping

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Jiangxi Kelley Chemical Packing Co., Ltd.
Tel: +86-799-6762199
Fax: +86-799-6782878
: Suzi Peng
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E-mail: export@jxkelley.com