Lightweight Thermal Insulating Castable

  • Applications: Mainly used insulation layers of industrial kiln furnaces, such as hot blast furnace, coke ovens, boilers, lime kilns, etc.

    Description

    Lightweight thermal insulation castable refractory is made of silica & alumina lightweight aggregates and powders. This castable has the characteristics of low density, low thermal conductivity, high refractoriness, sound absorption and heat absorption, mainly used in kilns and related equipment that require insulation and heat preservation.

    Specification

    ItemsGrades
    QJ-1.5QJ-1.3QJ-1.0QJ-0.8QJ-0.6
    Al2O3/%4240353025
    Density/(g/cm³)≤1.5≤1.3≤1.0≤0.8≤0.6
    CCS/MPa≥12≥7≥5≥4≥2.5
    105.54.03.02.0
    HPLC / %1300 ℃×3 h1200 ℃×3h1000 ℃×3h800 ℃×3h600 ℃×3 h
    ±1.0
    λ / [W/(m·K)] (350±25)℃≤0.6≤0.55≤0.50≤0.40≤0.35
    certifications&patents
    ISO – CE – SGS Certifications & Patents for Refractory Bricks and Castables
    refractory manufacturer workshop

    Application

    Lightweight thermal insulation castable is mainly used for various industrial kilns, such as blast furnaces, hot blast furnaces, carbon roasting furnaces, carbon calcining furnaces, coke ovens, boilers, lime kilns, cement kilns and glass kilns, etc. They can also be used for exterior walls, interior walls and roofs of buildings.

    lightweight thermal insulation refractory castable applications

    Our services: refractory technicians, refractory installation drawings, refractory bricks and castables, refractory masonry services, refractory mixes and precast cell, special shaped bricks, insulation materials, installation supervision, accident investigation and resolution, other customized services.

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