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Ceramic fiber blanket

◎ Ceramic fiber blankets are produced continuously and, after needle-punching, feature uniformly interwoven fibers with high tensile strength, containing no binders. ◎ Needle-punched blankets of varying bulk densities and thicknesses offer users a wide range of material options to achieve optimal insulation performance and cost-effectiveness. ◎ Ceramic fiber blankets exhibit excellent resistance to chemical attack (except for hydrofluoric acid, phosphoric acid, and strong alkalis such as Na2O and K2O). ◎ The performance of ceramic fiber blankets is unaffected by oil exposure; their thermal and physical properties can be fully restored upon drying.

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  • Product Description

  • Product Description:
    ◎ Ceramic fiber blanket, produced continuously and needle-punched to ensure uniform fiber interlocking and high tensile strength, contains no binders.
    ◎ Needle-punched blankets of varying bulk densities and thicknesses offer users a broad range of material options, enabling the optimization of thermal insulation performance and cost-effectiveness.
    ◎ Ceramic fiber blankets exhibit excellent resistance to chemical attack (except for hydrofluoric acid, phosphoric acid, and strong alkalis such as Na2O and K2O).
    ◎ The performance of ceramic fiber blankets is unaffected by oil exposure; their thermal and physical properties can be fully restored after drying.

     

    Product Categories:
    ◎ Ordinary Ceramic Fiber Spun Blanket HZGX-112
    ◎Standard Ceramic Fiber Spun Blanket HZGX-212
    ◎ High-Purity Ceramic Fiber Spun Blanket HZGX-312
    ◎ High-Alumina Ceramic Fiber Spray-Blown Blanket HZGX-422
    ◎ Zirconium-containing ceramic fiber spun blanket HZGX-512
    ◎ Low-Zirconium Ceramic Fiber Spun Blanket HZGX-612

     

    Product Features:
    ◎ Excellent chemical stability
    ◎ Excellent thermal stability
    ◎ Excellent tensile strength
    ◎Low heat capacity
    ◎Low thermal conductivity

     

    Typical applications:
    ◎ Industrial kiln wall linings and backing materials; expansion joints in kiln masonry; thermal insulation and sealing for kiln doors and roof covers.
    ◎ Thermal insulation materials for high-temperature pipelines
    ◎ Module / Folding Block Processing Materials

     

    		 11

     

    Technical indicators:

     

    Classification temperature

    1050

    		 1260 1400

    Product code

    HZGX-112

    		 HZGX-212 HZGX-312 HZGX-422 HZGX-512 HZGX-612

    Heating Permanent Line Change (%)

    950℃ × 24 h

    		1050℃ × 24 h 1100℃×24h 1200℃ × 24 h 1300℃×24h 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

    (128 kg/m³)

    (600℃)

    0.152-0.20

    		0.164-0.210

    Theoretical density (kg/m³)

    96/128

    		128 96/128

    Al2O3 (%)

    ≥42

    		 ≥45 ≥45 ≥52 ≥36 43–45

    ZrO2 (%)

     

    		       ≥15 5~7

    Al2O3 + SiO2 (%)

    ≥96

    		 ≥97 ≥97 ≥99 — ≥90

    Al2O3 + SiO2 + ZrO2

    —

    		— — — ≥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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