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  • Silicon Nitride Thermocouple Protection Tube For Low Pressure Casting - China

    price: contact company for price

    Silicon Nitride Thermocouple Protection Tube

    Product Description

    Thermocouple’s long- time stability and service life will be up to outside protection tube. Thermocouple shielded by silicon nitride thermocouple sheath will quickly react to temperature due to its good thermal conductivity and thinner wall thickness. Silicon nitride thermocouple protection tube is for continuous temperature measurement and protect thermocouple without erosion.

    Physical and chemical index

    Types GPSN RSSN

    Density >3.2g/ cm3 >2.4g/ cm3

    Si3N4 content >92% >92%

    Flexural strength >600Mpa >200Mpa

    Compressive strength >1500Mpa

    Thermal conductivity( W/ mk) 16- 22 14

    Porosity 0 <15%

    Thermal expansion coeff. ( RT- 1000℃) 3.2 2.8

    Max temperature

    In air 1400℃ 1150℃

    Hardness( HRA) >92 >85


    1, Moulding: Cold isostatic pressing( CIP)

    2, Sintering: GPSN/ RSSN

    3, High strength and good compactness

    4, Low thermal expansion coefficient

    5, Excellent thermal shock resistance

    6, No wetting by molten aluminum and non- ferrous metal

    7, Good corrosion resistance

    Recommended Sizes

    OD( mm) ID( mm) Length( mm)

    16 8 300- 600

    22 12 300- 800

    28 16 300- 900

    30 18 300- 900

    45 25 300- 900

    We can also prodcue other sizes according to your drawing.

    Company Contact:

    • Phone: 8618253372068

    • Address: Zibo City, Shandong Province, China, Zibo, China

    • Email: Email

    Published date: November 10, 2015 -

    • Business Description: Zibo Guiyuan Taisheng Advanced Ceramic Co., Ltd which invested by

      Shandong Guiyuan Advanced Ceramic Co., Ltd and Zibo Taisheng Industry

      & Trade Co., Ltd focus on the research, manufacture and sale of

      technical ceramic.

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