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    1. Home
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    Nuclear

    Nuclear Menu  

    Advanced Ceramics

    Hexoloy SIC Material

    Silicon Nitride Seals

    • Sintering Uranium Pellets
    • Return to Energy, Oil & Gas
     
    CONTACT US
    QUESTIONS? CONTACT US

    Nuclear 

    Do you have the technical support and engineering expertise to ensure your reactor linings maintain compliance with nuclear industry regulations?


    Nuclear Petrochemistry

    Saint-Gobain provides a range of products for the nuclear industry including dense and insulating bricks, setters and foams. Made from high-purity aluminas, zirconias, and dense and acid-resistant silicon carbide (Hexoloy® SiC), materials from Saint-Gobain ensure high purity, chemical inertness, resistance to HF, thermal shock or erosion resistance.

    Nuclear fuel pellets (uranium oxide) are sintered at high temperatures in a reducing atmosphere. The sintering furnaces need to be lined with high-purity alumina refractories. Alundum® AH199B or Alfrax® 101 high-density alumina bricks are used for the hot face wall and Alundum® AN599 bubble alumina-based insulating fire bricks made from are used for the backup lining. Saint-Gobain engineers can deliver a complete refractory design for your furnace.

    Zirconium oxide materials offer extreme temperature and thermal shock resistance for your core protection system. No one works harder to co-develop product and design solutions for your nuclear application than Saint-Gobain.

    You may also find these pages of interest:


    Silicon Nitride Seals

    Strong, fracture resistant NORALIDE & NBD-200 hot pressed silicon nitride seal face components are ideal for nuclear and other high temperature applications.

    Advanced Ceramics

    Saint-Gobain furnace refractories and innovative kiln furniture systems respond to challenging high temperature conditions in advanced ceramics applications.

    Hexoloy SIC Material

    Hexoloy® SE heat exchanger tubing offers reliability, strength, thermal conductivity, purity & corrosion resistance for chemical processing applications.

    Specifications

    Specifications


                                                                                        Alumina Refractories
      Al2O3
    (%)
    Others
    (%)

    Density
    g/cm3 
    (lb/ft3)

    Porosity
    (%)
    Shape
    design
    Specific comments
    AL100 99.50 <0.5 3.32
    (207)
    16 Standard and special design bricks Hot face lining, hydrogen atmosphere
    AH199H 99.55 <0.4 3.30
    (206)
    16 Standard and special design bricks / blocks Excellent erosion resistance, hydrogen atmosphere
    Alfrax 101 98.7 <1.0 3.0
    (187)
    22 Standard and special design bricks Hot face lining, hydrogen atmosphere
    Al102 96 3.0
    (ZrO2)
    3.25
    (203)
    16 Standard and special design bricks Quench zone / high thermal shock resistance
    Mullfrax 202 87 <10
    (SiO2)
    2.80
    (175)
    18 Standard and special design bricks Hot face lining (carbon black, incinerators, SRU)
    MS2R 87 <10
    (SiO2)
    3.02
    (189)
    15 Standard and special design bricks Hot face lining (carbon black, incinerators, SRU)
    MS4 72 <25 2.50
    (156)
    18 Standard and special design bricks Dense backup lining
    MS6 62 <35 2.53
    (158)
    14 Standard and special design bricks Dense backup lining
    Rl34 98.50 <1.5 1.55
    (97)
    50 Standard and special design bricks Type 34 insulating brick, hydrogen atmosphere
    AN599 99.80 <1.0 1.60
    (100)
    55 Standard and special design bricks Type 34 insulating brick, hydrogen atmosphere
    Mullfrax B101 98.4 <1.5 1.48
    (92)
    58 Standard and special design bricks Type 34 insulating brick

     

     

                                                                                         Zirconia Refractories
      ZrO2
    (%)
    Stabilization %

    Density
    g/cm3
     
    (lb/ft3)

    Porosity
    (%)
    Shape
    design
    Specific
    comments
    Ziral 14 14 - 84
    Al2O3
    3.40
    (212)
    17 Standard and special design bricks Excellent erosion resistance
    Ziral
    94M
    94 MgO 4.0 4.55
    (284)
    19 Standard and special design bricks Partly stabilized, coarse grained, nuclear application
    ZA95 93 MgO 4.0 4.55
    (284)
    19 Standard and special design bricks Partly stabilized, coarse grained, reformers, carbon black
    Zirnorite
    ZH192
    92 CaO 4.5 4.43
    (270)
    22 Standard and special design bricks Partly stabilized, coarse grained setters
    Zirnorite
    ZS699
    85 Y2O3 14 4.70
    (293)
    21 Standard and special design bricks Fully stabilized, coarse grained, furnace blocks
    Zirnorite
    ZS730
    85.5 Y2O3 14 4.73
    (295)
    21 Standard and special design bricks Fully stabilized, fine grained, furnace blocks

     

     

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