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  • IOTA 4926 Silicone sealant for new energy automotive safety power

    IOTA 4926 Silicone sealant for new energy automotive safety power

     

    Product features:

    IOTA 4926 is a kind of double component silicone rubber, room temperature curing, can be heated fast curing. Its characteristics are as follows:

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

    Excellent high and low temperature resistance, after curing can be used for a long time under -50℃ ~+200℃;

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

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

     

    Application:

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

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

     

    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

    ViscositymPa.s,25

    A component    8001000

    GB/T 2794

    B component    8001000

    /

    Applicable periodmin 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

    Densityg/cm3

    1.25±0.05

    GB/T 13477

    8

    Hardness (Shore A)

    3040

    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

    ≥0.8

    /

    14

    Flame retardant grade

    V-0

    GB/T 2408

    Note:

    1. in the use of cylindrical 18650 battery will not affect the battery self pressure relief valve open.

    2. in cylindrical 18650 when the battery is used with the reasonable module mechanism can play any position of a single battery failure does not affect the role of the surrounding batteries.



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