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    Flame Opaque Quartz


    Introduction

    Thanks to the big total surface area of bubbles per unit volume, it can increase the reflection of heat rays in the quartz glass, which improves its ability to intercept heat rays. It is wildly used in heat insulation parts of various quartz devices such as semiconductors and solar energy.

    FLHO321H - 198-298.jpg

    FLHO321H

    FLHO321N - 198-298.jpg

    FLHO321N


    Chemical property

    Solution: HF 10wt%,25℃,Etching time:3 hours

    Solution: KOH 10wt%,20℃,Etching time:72 hours

         Fire polished surface (μm/min)

     0.07   

       Ground surface(μm/min)

     0.1   

         Fire polished surface (μm/min)

     0.002   

        Ground surface (μm/min)

     0.005   

      

      Chemical purity


    FLHO321H Impurity Typical Value   (ppm)

    Al

    8.00

    B

    0.05

    Ca

    0.60

    Co

    <0.05

    Cu

    <0.01

    Fe

    0.15

    K

    0.10

    Li

    0.10

    Mg

    <0.05

    Mn

    <0.05

    Na

    0.10

    Ni

    <0.05

    Ti

    1.33

    OH

    ~170



    FLHO321N Impurity Typical Value   (ppm)


    Al

    12.00

    B

    0.08

    Ca

    0.30

    Co

    <0.02

    Cu

    <0.01

    Fe

    0.10

    K

    0.20

    Li

    0.40

    Mg

    <0.05

    Mn

    <0.05

    Na

    0.40

    Ni

    <0.03

    Ti

    1.2

    OH



    Transmission

    FLHO321H 透過率 198-298.jpg

    Transmission of FLHO321H

    FLHO321N 透過率 198-298.jpg

    Transmission of FLHO321N

    FLHO321H 反射率 198-298.jpg

    Reflectivity of FLHO321H

    FLHO321N 反射率 198-298.jpg

    Reflectivity of FLHO321N


    Physical Property


           Project

    FLHO321N

    FLHO321H

    Mechanical Properties

    Density(g/cm3)

    Young’s Modulus(GPa)

    Vickers Hardness(MPa)

    2.05

    74

    6-7

    2.05

    74

    6-7

    Electrical Properties

    Dielectric Constant(10GHz)

    Loss Factor(500MHz)

    2.05

    6-7

    2.05

    6-7

    Thermal Properties

    Strain Point(℃)

    Annealing point(℃)

    Softening point(℃)

    Thermal Conductivity(20℃)(W/m.k)

    Specific Heat(20℃)(J/kg.k)

    Expansion Coefficient(x10-7 /k) α:30℃~600℃

    Diffusivity(20℃)(×10 -7m2 /s)

    Viscosity(1200℃)

    1.24

    749

    8.4

    11.72

    1670

    1150

    1070

    6.4

    1.24

    749

    8.4

    11.72

    1670

    1150

    1070

    6.4

      Flame Opaque Quartz 
    FLHO321H FLHO321N
    Consulting Service:
    0716-8304668、8333088

    Address:湖北省荊州市東方大道68號 (68 Dongfang Avenue, Jingzhou City, Hubei Province)
    PostCode:434001
    Tel:86-0716-8304668,8333088
    Fax:86-0716-8310688
    Email:info@feilihua.com
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