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    22 Products
    About Composites
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    Compare our offering of composites to find the right material for you.

    Electrically-Insulating Boron Nitride Ceramic Sheets and Bars

    Also known as white graphite, boron nitride ceramic is an excellent electrical insulator that is often used in high-temperature, high-power electrical applications, such as arc welding and semiconductor equipment. It's a low-friction material with a slippery feel.
    Sheets
    Image of Product. Front orientation. Ceramic. Electrically-Insulating Boron Nitride Ceramic Sheets and Bars.
    5" Long
    6" Long
    12" Long
    Thk.
    Thk. Tolerance
    Wd.
    Color
    Temp. Range,
    ° F
    Fabrication
    Performance
    Dielectric Strength,
    V/mil
    Porosity
    Compressive
    Strength, psi
    Each
    Each
    Each
    1/16"-0.010" to 0.010"3"White32 to 1,020SinteredElectrically Insulating1,2707%16,00084995K110000000———0———0
    1/8"-0.010" to 0.010"5"White32 to 1,020SinteredElectrically Insulating1,2707%16,000———084995K120000000———0
    1/4"-0.010" to 0.010"5"White32 to 1,020SinteredElectrically Insulating1,2707%16,000———0———084995K130000000
    3/8"-0.010" to 0.010"5"White32 to 1,020SinteredElectrically Insulating1,2707%16,000———084995K1400000084995K15000000
    1/2"-0.010" to 0.010"5"White32 to 1,020SinteredElectrically Insulating1,2707%16,000———0———084995K1600000000
    Bars
    Image of Product. Front orientation. Ceramic. Electrically-Insulating Boron Nitride Ceramic Sheets and Bars.
    6" Long
    12" Long
    Thk.
    Thk. Tolerance
    Wd.
    Color
    Temp. Range,
    ° F
    Fabrication
    Performance
    Dielectric Strength,
    V/mil
    Porosity
    Compressive
    Strength, psi
    Each
    Each
    1/8"-0.010" to 0.010"1/8"White32 to 1,020SinteredElectrically Insulating1,2707%16,00084995K4100000084995K51000000
    1/4"-0.010" to 0.010"1/4"White32 to 1,020SinteredElectrically Insulating1,2707%16,00084995K420000084995K52000000
    3/8"-0.010" to 0.010"3/8"White32 to 1,020SinteredElectrically Insulating1,2707%16,00084995K430000084995K53000000
    1/2"-0.010" to 0.010"1/2"White32 to 1,020SinteredElectrically Insulating1,2707%16,00084995K4400000084995K54000000
    3/4"-0.010" to 0.010"3/4"White32 to 1,020SinteredElectrically Insulating1,2707%16,00084995K4500000084995K55000000
    1"-0.010" to 0.010"1"White32 to 1,020SinteredElectrically Insulating1,2707%16,00084995K6100000084995K71000000
    1 1/2"-0.010" to 0.010"1 1/2"White32 to 1,020SinteredElectrically Insulating1,2707%16,00084995K6200000084995K72000000
    2"-0.010" to 0.010"2"White32 to 1,020SinteredElectrically Insulating1,2707%16,00084995K6300000084995K7300000000
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