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  • IOTA 1098 High Performance Silicone Weatherproofing Sealant

    IOTA 1098 High Performance Silicone Weatherproofing Sealant

    1.High performance;

    2.Weatherproofing joint seal for the curtain wall of skyscrapers  and high-rise buildings

    3.±50% movement capacity.

     

    Features:

    1.One part , excellent weatherability,unaffected by sunlight, rain, snow and ozone 

    2. Neutral cure – suitable for use on metals, coated glass, aluminium panels, terracotta panels, concrete materials, galvanized steel and many other substrates.

    3. Excellent tensile strength and extension/compression movement capability

    4.Excellent resistance to temperature extremes, stable and flexible over the temperature from –50 ℃ to +150 ℃

    5.Excellent unprimed adhesion to a wide variety of construction materials and building components

    6.Easy of application-ready to use as supplied 

    7.Good compatibility with other neutral silicone sealants

     

    COLOURS  

    IOTA 1098 is available in black, gray, white and other customized colours

     

    PACKAGING

    IOTA 1098 is available in 350ml disposable cartridges (net 300ml) and sausages (net 590ml)

     

    SPECIFICATIONS

    IOTA 1098 is designed to meet or even exceed the requirements of 

    Chinese national specification  GB/T 22083-2008 class 50

    Chinese corporate specification Q/71304249-7.016-2009

    Complies with ASTM C 920

     

    Typical properties:

    These values are not intended for preparing specifications

    Test Method

    Property

    Unit

    Standard(LM)

    Result

    GB/T 13477 (ISO 7390)

    Slump

    mm

    ≤3

    ≤3

    0

    GB/T 13477 (ISO 8394)

    Extrusion rate

    ml/min.

    ≥80

    685

    GB/T 13477 (ASTM D2377)

    Tack free time

    h

    ≤3

    1.5

    GB/T 13477 (ISO7389)

    Extension recovery

    %

    ≥70

    87

    GB/T 13477 (ISO 8339)

    Tensile at

     

     

     

     

    23

    MPa

    ≤0.4 and ≤0.6

    0.38

     

    -20

    MPa

    ≤0.4 and ≤0.6

    0.57

    GB 16776 (ASTM C 792)

    Heat aging

     

     

     

     

    Weight loss

    %

    ≤10

    3.9

     

    Chalking

     

    Nil

    Nil

     

    Cracking

     

    Nil

    Nil

    GB/T 13477

    Adhesion at fixed stretch

     

    No failure

    No failure

    GB/T 13477

    Adhesion after heat contract and cold extension

     

    No failure

    No failure

    GB/T 13477

    Adhesion after heat contract and cold extension

     

    No failure

    No failure

    GB/T 13477

    Adhesion after UV-water exposure

     

    No failure

    No failure

    *GB: Chinese National Standard   

    ASTM: American Society for Testing and Materials 

     ISO: International Standardization Organization

    The “GB” testing method is equivalent or partly equivalent to that in the “()”.

     

    STORAGE AND SHELF LIFE

    IOTA 1098 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 1098 should not be applied:

    As structural sealant;

    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;

    To frost laden or damp surfaces;

    For continuous water immersion;

    When surface temperature below 4℃ or over 50℃;

    To porous substrates such as stone, concrete before confirmation with manufacturer.

     

    HOW TO USE

    Surface Preparation

    Clean all joints removing all foreign matter and contaminants such as oil, grease dust, water, frost, old sealants, 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 1098 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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