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  • IOTA D4926 Two-component silicone sealant

    IOTA D4926 Two-component silicone sealant


    Product features:

    IOTA D4926 is a kind of double component silicone rubber, which is cured at room temperature and can be heated quickly. Its characteristics are as follows:

    Before curing, good fluidity, the operation time is moderate, convenient operation ,good self-decoration and use;

    Excellent resistance to high temperature and low temperature performance, after curing can be used under -50℃~+200℃;

    Excellent electrical insulation, arc resistance and shock resistance, long term protection of electronic components and welding points;

    Good water resistance,earthquake resistance, ozone resistance, aging resistance, can effectively prevent the infiltration of water vapor, to maintain long-term sealing performance;

    Excellent thermal conductivity, can guarantee the effective heat dissipation of electronic components and batteries.


    Typical product performance (not used as a product standard)

    No

    Item

    Technical index

    Inspection method

    Before curing

    1

    Appearance

    A component  B component

    /

    White fluid    Dark gray fluid

    2

    Viscosity (mPa.s,25)

    A component   1000-1200

    B component   1000-1200

    GB/T 2794

    3

    Applicable period (min,25)

    ≥90

    /

    4

    Curing time (min,>45)

    ≤50

    /

    5

    Curing time (h,25)

    ≤4

    /

    After curing (After 24 hours at room temperature)

    6

    Appearance

    Dark gray black elastic rubber

    /

    7

    Density(g/cm3)

    1.35±0.05

    GB/T 13477

    8

    Shore A hardness

    42-50

    GB/T 531.1

    9

    Tensile strength (Mpa)

    ≥0.35

    GB/T 528

    10

    Volume resistivity ( Ω.cm)

    1x1014

    GB/T 1692

    11

    Breakdown voltage strength (Kv/mm)

    18

    GB/T 1695

    12

    Dielectric constant /1MHz

    2.8

    GB/T 1693

    13

    Thermal conductivity (W/m.K

    ≥1.0

    /

    14

    Flame retardant grade

    V-0

    GB/T 2408

     

    Application:

    Widely used in the new energy automotive power lithium battery PACK, electronic components, waterproof, heat sealing cushion;

    Used in various electrical equipment potting, bonding, positioning, sealing and waterproof.

     




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