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  • IOTA 119 Fire Resistance Silicone Sealant

    IOTA 119 Fire Resistance Silicone Sealant

    Fire resistance, used for sealing the fire resistance partitions or the penetration holes of wires, cables ,cable trays etc.

     

    COLOURS

    IOTA 119 is available in two colors:  white.and black .


    Features

    1.   FV-0 class of fire resistance capability    
    2.   Non-corrosive to metals, coated glass, concretes, marbles, granites and etc.

    3.   Excellent watertight and smoke tight performance

    4.   Excellent unprimed adhesion to a wide range of building materials

    5.   Excellent weatherability and resistance to temperature extremes

    6.   Good compatibility with other neutral silicone sealants

     

    PACKAGING

    IOTA 119 is available in cartridges (net 300ml).

     

    CURE TIME

    As exposed to air, IOTA 119 begins to cure from surface to inward. Its tack free time is about 40 minutes, the full and optimal adhesion forms in about 21 days.

     

    SPECIFICATIONS

    IOTA 119 is designed to meet or even exceed the requirement of ensure neat sealant lines. Primer is generally not required for non-porous surfaces, but may be necessary for optimal seal performance of certain porous surfaces. So adhesion test is always recommended. Apply IOTA 119 in a continuous operation using dispensing guns. Before a skin forms, tool the sealant with light pressure to spread the sealant against the backing materials and joint surfaces. Remove masking tape as soon as the bead is tooled.

        China national specification GB/T 2408-2008 & GB 23864-2009

    China corporate specification Q/71304249-7.004-2009

    Complies with ASTM C 920

     

    Typical properties

    These values are not intended for use in preparing specifications.

    Test Method

    Property

    Unit

    Standard

    Result 

    GB/T 13477 (ISO 7390)

    Slump

    mm

    ≤3

    0

    GB/T 13477 (ISO 8394)

    Extrusion rate

    ml/min.

    ≥80

    482

    GB/T 13477 (ASTM D 2377)

    Tack free time

    h

    ≤3

    0.7

    GB/T 13477 (ISO 7389)

    Tension recovery

    %

    ≥40

    87

    GB/T 13477

    Extension/

    compression adhesion

    %

     

    ±12.5

    GB/T 13477 (ISO 11600)

    Movement capability

    %

     

    ±12.5

    GB/T 13477

    Adhesion after extension and compression cycle at fixed temp.

     

    No failure

    No failure

    GB/T 13477 (ISO 37)

    Elongation at break

    after immersion

    %

    ≥40

    86

    GB/T 13477 (ISO 10563)

     

    %

    ≤25

    5.4

    GB/T 2408

     

    %

    FV-0

    F

     *GB: Chinese National Standard
     ISO: International Standardization Organization

     ASTM: American Society for Testing and Materials
    The “GB” testing method is equivalent or partly equivalent to that in the “()”


    STORAGE AND SHELF LIFE
    IOTA 119 should be stored at or below 27℃ in original unopened containers. It has a shelf life of 12 months from the date of manufacture.


    LIMITATIONS
    IOTA 119 should not be applied:
    For structural glazing
    To frost laden or damp surfaces 

    To the materials that bleed oils , plasticizers or solvents, such as impregnated wood,oil based caulks
    In totally confined spaces as sealant requires atmospheric moisture for cure
    For continuous water immersion
    When surface temperature below 4℃ or over 50℃


    HOW TO USE
    Surface Preparation
    Clean all joints removing all foreign matter and contaminants such as oil, dust, frost, grease,old sealants, water,surface dirt, or glazing compounds and protective coatings.


    Application Method
    Install back-up materials or joint fillers, setting blocks, spacer shims, and tapes. Mask areas adjacent to joints to ensure neat sealant lines. Primer is generally not required for non-porous surfaces, but may be necessary for optimal seal performance of certain porous surfaces. So adhesion test is always recommended.
    Apply IOTA 119 in a continuous operation using dispensing guns. Before a skin forms, tool the sealant with light pressure to spread the sealant against the backing materials and joint surfaces. Remove masking tape as soon as the bead is tooled. 



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