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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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