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Ceramic fiber folded block

Various ceramic fiber folding blocks are manufactured by processing needle-punched ceramic fiber blankets of the corresponding material on specialized machinery, according to the fiber assembly’s structure and dimensions. During fabrication, a controlled degree of compaction is maintained to ensure that, once the ceramic fiber folding blocks are installed as lining, the differential expansion of each block in different directions causes them to press tightly against one another, forming a seamless monolithic structure.

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  • Product Description

  • Product Description:

    ◎ Various ceramic fiber folding blocks are manufactured by processing ceramic fiber needle-punched blankets of the corresponding material on specialized machinery, according to the fiber assembly’s structure and dimensions. During fabrication, a controlled degree of compression is maintained to ensure that, once the ceramic fiber folding blocks are installed as lining, the differential expansion of each block in different directions causes them to press tightly against one another, forming a seamless monolithic structure.

     

    Product Categories:
    ◎ 1050 Ceramic Fiber Folding Block HZGX-189Z
    ◎ 1260 Ceramic Fiber Folding Block HZGX-289Z
    ◎High-Purity Ceramic Fiber Folding Block HZGX-389Z
    ◎High-Alumina Ceramic Fiber Foldable Block HZGX-489Z
    ◎ Zirconium-containing ceramic fiber folded block HZGX-589Z
    ◎ Low-Zirconia Ceramic Fiber Folding Block HZGX-689Z

     

    Product Features:
    ◎ Excellent chemical stability
    ◎ Excellent thermal stability
    ◎ Excellent elasticity, owing to the fibers being in a pre-compressed state,
    Its expansion can compensate for fiber shrinkage, thereby enhancing the thermal insulation performance of fiber linings.
    ◎Low thermal conductivity

     

    Typical applications:
    ◎ Furnace linings for various industrial furnaces and heating equipment in industries such as metallurgy, machinery, building materials, petrochemicals, and nonferrous metals.

    		11

     

    Classification temperature

    1050

    		 1260 1400

    Product code

    		HZGX-189Z HZGX-289Z HZGX-389Z HZGX-489Z HZGX-589Z HZGX-689Z

    Heating Permanent Line Change (%)

    950℃ × 24 h

    		1000℃×24h 1100℃ × 24 h 1200℃ × 24 h 1300℃ × 24 h 1250℃×24h

    ≤-3

    		≤-3 ≤-3 ≤-3 ≤-3 ≤-3

    Theoretical thermal conductivity

    (200℃)

    0.045-0.060

    		0.052-0.070

    (W/m·K)

    (400℃)

    0.085-0.110

    		0.095-0.120

     

    (600℃)

    0.152-0.20

    		0.164-0.210

    Theoretical volume (kg/m³) 3)

    96/128

    		128 96/128

    AL 2 O 3 (%)

    ≥42

    		 ≥45 ≥45 ≥52 ≥36 43–45

    ZrO 2 (%)

     

    		       ≥15 5~7

    AL 2 O 3 +SiO 2 (%)

    ≥96

    		 ≥97 ≥97 ≥99 — ≥90

    AL 2 O 3 +SiO 2 +ZrO 2

    —

    		— — — ≥99  

    (%)

    Fe2O3 (%)

    ≤1.2

    		≤1.0 ≤1.0 ≤0.2 ≤0.1  

    K2O+Na2O (%)

    ≤0.5

    		≤0.5 ≤0.5 ≤0.2 ≤0.2  

    Product Specifications (mm)

    3600/7200/15000×610/1220×10/20/25/30/40/50

    (422δ:10/20/25/30)

    Tensile strength

    ≥0.04

    (25 mm thick) MPa

    Packaging

    Inner plastic bag, outer woven bag or cardboard box

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