Mineral Solutions for Electrical Porcelain Insulators Prima Hymod Blue Hymod KC Old Mine #4 Todd...

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Transcript of Mineral Solutions for Electrical Porcelain Insulators Prima Hymod Blue Hymod KC Old Mine #4 Todd...

  • Imerys, your partner from low to ultra high voltage AC & DC porcelain insulators

    As the international market leader for industrial minerals, ceramic bodies and glazes, Imerys uses its unrivalled

    product portfolio, commercial and technical expertise to offer mineral solutions to the global electrical porcelain

    industry.

    Imerys’ guaranteed consistent minerals help you to maintain constant high yields during the production of

    insulators.

    Our mineral solutions contribute to the high performance of your electrical porcelain insulators to safely

    maintain and distribute energy and power in all environments.

    Mineral Solutions for Electrical Porcelain Insulators Technical datasheets

  • BALL CLAYS

    BODIES

    TYPICAL DATA Hymod Sigma Hymod Prima

    Hymod Blue

    Hymod KC

    M&D Old

    Mine #4

    Todd Light

    Thaiplas BC2

    ParaCast Plast

    CHEMICAL ANALYSIS (%)

    SiO2 54 54.0 53.0 54.0 56.0 59.7 58.4 60.0 48.8

    Al2O3 30 30.0 31.0 30.0 27.6 26.3 27.6 24.0 33.2

    Fe2O3 1.80 1.40 1.40 1.40 2.2 1.3 1.8 2.50 2.3

    TiO2 1.00 1.20 1.00 1.10 1.5 2.0 1.5 0.76 1.2

    CaO 0.30 0.30 0.30 0.30 0.5 0.20 0.3 0.35 0.1

    MgO 0.50 0.40 0.50 0.50 0.7 0.5 0.6 0.64 0.2

    K2O 3.00 3.10 3.00 3.10 0.6 1.1 1.3 1.95 1.3

    Na2O 0.40 0.50 0.40 0.40 0.2 0.20 0.2 0.16 0.1

    L.O.I. 9.00 8.8 9.2 8.7 10.7 9.3 10.6 10.0 12.5

    CARBON (%) C 0.3 0.3 0.55 0.6 0.2 0.5 0.9 1.0 -

    PARTICLE SIZE ANALYSIS (%)

    > 53 µm 0.4 0.3 0.3 0.4 1.6 1.6 1.0 2.0 -

    > 8 µm - - - - 2 10 8 5 -

    < 2 µm 88 88 89 86 89 72 66 75 74

    < 1 µm 80 79 79 78 82 65 57 65 63

    < 0.50 µm 68 67 65 65 73 54 46 54 50 -

    SPECIFIC SURFACE AREA (m2g-1) 38 41 38 34 41 23.1 27.7 32 25.2

    UNFIRED MoR

    At 80% RH (MN m-2) - - - - 7.0 3.0 6.2 5.23 -

    At 80% RH (p.s.i.) - - - - 995 425 880 759 -

    Dried at 110 °C (MN m-2) 8.0 8.0 8.0 7.5 14.6 6.3 8.4 10.8 3.2

    Dried at 110 °C (p.s.i.) - 1140 1140 1065 2080 900 1195 1563 464

    FIRED AT 1180 °C Oxidizing atmosphere

    Water absorption (%) 2.5 2.5 2.5 2.0 5.0 10.5 8.9 4.7 -

    Contraction (%) 12.3 12.5 12.2 12.0 10.5 6.6 9.9 10.9 -

    FIRED AT 1240 °C Oxidizing atmosphere

    Water absorption (%) 1.2 1.5 1.5 1.5 4.2 8.5 6.1 0.1 -

    Contraction (%) 12.8 13.0 12.6 12.5 11.0 7.7 9.5 10.2 -

    FIRED AT 1280 °C Oxidizing atmosphere

    Water absorption (%) - - - - 3.0 7.8 5.6 0.7 -

    Contraction (%) - - - - 11.7 8.9 9.0 9.5 -

    TYPICAL DATA C 130 C 120

    CHEMICAL ANALYSIS (%)

    SiO2 34.2 45.2

    Al2O3 59.8 48.2

    Fe2O3 0.59 0.63

    TiO2 0.28 0.22

    CaO 0.31 0.25

    MgO 0.55 0.51

    K2O 2.70 3.90

    Na2O 1.10 0.74

    L.O.I. 5.2 4.8

    PARTICLE SIZE ANALYSIS (%)

    > 8 µm 20 31

    < 2 µm 39 33

    < 1 µm 29 25

    < 0.50 µm 20 17

    SPECIFIC SURFACE AREA (m2 g-1) 12 11

    UNFIRED MoR Dried at 110°C (MN m-2) 5.0 4.9

    Dried at 110°C (p.s.i.) 712 697

    FIRED AT 1300 °C Reducing atmosphere **

    MoR - Unglazed (MPa) ≥ 140 ≥ 90 MoR - Glazed (MPa) ≥ 160 ≥ 110 Water absorption (%) 0.05 0.03

    Contraction (%) 9.1 8.8 ** These bodies have been designed to comply with the relevant sections of IEC 60672 following appropriate processing at the manufacturer.

    Processing for these includes firing at 1300 °C in a reducing atmosphere. We can provide other electrical porcelain bodies for different temperature and atmospheres.

  • KAOLINS

    FELDSPARS

    TYPICAL DATA Rogers Samson #6 EP MRD Standard Remblend Grolleg

    CHEMICAL ANALYSIS (%)

    SiO2 46.5 46.7 45.5 48.0 48.0 49.0

    Al2O3 37.5 38.1 38.1 36.0 36.5 36.0

    Fe2O3 1.00 0.70 0.80 1.30 1.17 0.80

    TiO2 1.30 1.50 1.40 0.05 0.05 0.05

    CaO 0.30 0.20 0.20 0.01 0.07 0.06

    MgO 0.30 0.10 0.20 0.01 0.30 0.30

    K2O 0.30 0.20 0.10 2.10 2.25 1.96

    Na2O 0.10 0.10 0.10 0.01 0.10 0.10

    L.O.I. 13.2 13.4 13.5 12.5 12.0 12.0

    CARBON (%) C 0.1 0.1 0.1 0.04 0.03 0.03

    PARTICLE SIZE ANALYSIS (%)

    > 53 µm max. 1.0 2.0 0.8 2.0 Max. 0.25 Max. 0.05

    > 8 µm 4 5 5 26 19 8

    < 2 µm 85 76 74 30 39 58

    < 1 µm 76 67 62 19 29 43

    < 0.50 µm 65 55 48 18 19 28

    SPECIFIC SURFACE AREA (m2 g-1) 24 18 20 14 7 11

    UNFIRED MoR

    At 80 % RH (MN m-2) 3.1 1.9 1.7 0.3 0.5 1.0

    At 80 % RH (p.s.i.) 450 275 240 36 70 140

    Dried at 110 °C (MN m-2) 6.7 5.4 4.5 0.5 1.1 2.6

    Dried at 110 °C (p.s.i.) 950 765 650 70 155 365

    FIRED AT 1180 °C Oxidizing atmosphere

    Water absorption (%) 12.1 12.7 16.7 14.7 16.5 13.0

    Contraction (%) 9.7 11.2 8.2 4.4 7.0 9.0

    FIRED AT 1240 °C Oxidizing atmosphere

    Water absorption (%) 10.5 11.8 13.1 11.7 14.0 9.7

    Contraction (%) 10.7 11.2 9.8 7.0 9.0 11.0

    FIRED AT 1280 °C Oxidizing atmosphere

    Water absorption (%) 8.9 9.1 10.1 9.9 9.5 6.5

    Contraction (%) 12.1 13.2 11.0 10.0 10.5 13.0

    TYPICAL DATA WhiteSpar Minspar 200 Minspar 250

    CHEMICAL ANALYSIS (%)

    SiO2 66.5 ± 1.0 68.8 68.8

    Al2O3 18.2 ± 1.0 18.2 18.2

    Fe2O3 Max. 0.10 0.07 0.07

    TiO2 0.01 - -

    CaO 0.25 1.5 1.4

    MgO 0.03 Trace Trace

    K2O Min. 11.0 4.1 4.1

    Na2O 2.50 ± 0.75 6.5 6.8

    L.O.I. < 0.3 0.3 0.08

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    Teams dedicated to electrical porcelain insulators worldwide Imerys has regional hubs in Asia, Europe, Africa, North and South America. Thanks to a global network of production sites across several continents, we have a large and varied portfolio. Our integrated logistics network offers customers the benefits of reliable supply chain services.

    www.imerys-ceramics .com

    These values do not represent a specification. The data quoted are determined by the use of Imerys Standard Test Methods, copies of which will be supplied on request. Every precaution is taken in production to ensure the products conform to our published data. Since the products are based on naturally occurring materials, we reserve the right to change these data should it become necessary. Sales are in accordance with our “Conditions of Sale”, copies of which will be supplied on request.

    Serving customers worldwide for the electrical porcelain industry