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Cerablak® HTP is a high-emissivity spray-on coating that provides thermal insulation and environmental protection. Utilizing a conventional off-the-shelf spray gun and a proprietary slurry feedstock solution, Cerablak® HTP is deposited as an inorganic coating with a brief thermal treatment after deposition. The black version of Cerablak® HTP is particularly unique in blocking radiant heat. Thermal conduction by radiation becomes critical above 700°C and Cerablak® HTP can provide durable thermal protection in oxidizing, reducing, and even vacuum environments such as in semiconductor manufacturing or space exploration.

Product Type: Coating

Features: Corrosion Resistant, Electrically Insulating, Good Scratch Resistance, High Temperature Insulation Properties, High Temperature Performance, Oxidation Resistant

Application Area: Furnace, Heat Exchangers

Compatible Substrates & Surfaces: Aluminum, Concrete, Glass, Metal, Stainless Steel, Steel, Titanium

Application Method: Gun, Spray

    Knowde Enhanced TDS

    Identification & Functionality

    Product Type
    Material

    Inorganic Glass Ceramic.

    Features & Benefits

    Applications & Uses

    Application Area
    Application Method
    Features & Benefits
    • Reduce energy costs.
    • Extend life of metal and ceramic furnaces.
    • High emissivity and thermal radiation resistance.
    • Scratch and abrasion resistance.
    • Oxidation protection.
    • Corrosion protection.
    • Electrical insulation.
    • Stable in ultra-high vacuum.
    • Fire protection.
    Market Applications
    • Furnace linings.
    • Active and passive heat exchangers.
    • Power generation.
    • Thermal protection for space vehicle structures.
    • Jet engine nozzles and exhaust structures.
    Substrates
    • Stainless steel
    • Titanium
    • Aluminum
    • Carbon steel
    • Porous materials
    • Concretes
    • YSZ
    • Pyroceram
    • Fused silica
    • Mineral refractories
    • Glass

    Properties

    Typical Properties
    ValueUnitsTest Method / Conditions
    Thickness Range0.2 - 5.0mils-
    Continuous Operating Temperaturemax. 1100°C-
    Emissivitymin. 0.9--
    Dielectric Constant2 - 5--
    Dielectric Breakdown Strengthapprox. 300V/micron-
    Thermal Conductivity1 - 1.5W/mK-
    Thermal Expansion (CTE)6 x 10^-6/C-