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Cemedine BBX 909 135ml

Model No.︰BBX 909
Brand Name︰CEMEDINE
Country of Origin︰Japan
Unit Price︰US $ 33.5 / pc
Minimum Order︰10 pc
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Product Description

Pressure Sensitive Adhesive (PSA) CEMEDINE BBX 909

Features

  • This is a unique pressure-sensitive adhesive in liquid form that bonds different materials including silicone rubbers and polypropylene with excellent removability.
  • As this elastic pressure-sensitive adhesive comes in liquid form, loss of materials as a result of a die-cutting process and waste such as release papers will not be produced, so you can expect to improve your environmental friendliness and reduce costs significantly.
  • BBX909 (moisture-curing type) and BBX-UV300 (UV-curing type) are available.

    Mechanism of an elastic pressure-sensitive adhesive

    Basic mechanism

    This product has two key features: it is an adhesive that sticks firmly, and it is a pressure-sensitive adhesive that never solidifies. The product reacts to moisture contained in air (or UV radiation) to form a flexible, elastic film.

    Secret to an easily peelable adhesive with minimal residue

    As this pressure-sensitive adhesive is liquid, its “wetness” enables the surfaces to which it is applied to bond firmly, based on its adhesive property and tackiness property. The surface after open time exposure, however, bonds using the adhesive’s tackiness property only because the remaining adhesive property solidifies in reaction to the moisture (or UV radiation) contained within air. As a result, the adherend may be peeled from the tacky surface, which has a relatively smaller adhesion strength. In addition, since a resilient, highly stretchable elastic layer is formed, the adhesive may be peeled off neatly from the interface without cohesion failure. Although there are some exceptions, basically, BBX remains on the surface on which it was first applied.

    How BBX bonds slightly rough surfaces

    As BBX is liquid, if you apply it onto a rough surface, it will spread over the uneven texture, securing an effective application area. However, if you apply the adhesive onto a smooth surface and then bond it to a rough surface after curing, BBX will not spread sufficiently over the uneven texture, compared to when the adhesive was in a liquid state, because the adhesive surface after the curing reaction turns into a semisolid tacky surface (like the surface of double-sided tape). Nevertheless, as BBX does not use a base material like that of a tape, and the pressure-sensitive adhesive forms a resilient layer, if you apply the adhesive thickly, you can expect to increase the effective contact area compared to that of tapes in general, achieving a greater sticking force.

    How to develop tackiness quicker

    Basically, the tackiness can be developed quicker under these conditions: thin-film application, high temperature, and high humidity.

    Adhesion performance data (JIS Z0237)

    BBX909: Peel strength

    (N/25mm)

    Adherends Peel strength
    Silicone rubber 18
    Natural rubber 35
    SBR 22
    Chloroprene rubber 7
    Urethane rubber 18
    EPDM 11
    Leather 18

    The adhesive was applied to one side of the adherend, and then bonded to another adherend after 1 minute of open time.
    Surface preparation: Treated using sandpaper, and degreased with solvent
    Adhesive thickness: 100μm  
    Curing: 23°C 50%RH for 28 days after curing
    Tension speed: 300 mm/min

    BBX-UV300: Peel strength

    (N/25mm)

    Adherends Peel strength
    Stainless steel 14.6
    Aluminum 14.4
    Acrylic 11.5
    Polycarbonate 11.9
    Polystyrene 15.2
    ABS 15.4
    6-Nylon 14.2
    Hard vinyl chloride resin 14.1
    Polyethylene 5.5
    Polypropylene 11.3
    Glass 13.3

    The adhesive was applied to the PET film at a thickness of 100 μm, then bonded to another adherend after UV radiation.
    Lamp: Metal halide lamp
    Cumulated amount of light: 3000mJ/cm2

    BBX909: Tack development time

    Environmental condition Tack development time
    40°C 65%RH 3 min
    23°C 50%RH 7 min
    5°C 40%RH 30 min

    Standard: Time required to achieve a 180º peel strength of 5 N/25 mm or greater.

    BBX909: Changes in peel strength according to different open times

    (N/25mm)

    Open time 40°C 65%RH 23°C 50%RH 5°C 40%RH
    Immediately following After 28 days Immediately following After 28 days Immediately following After 28 days
    3 min 8 16 - 15 - 9
    7 min 12 19 6 17 - 9
    30 min 19 21 7 20 6 9
    120 min 20 22 15 22 9 19

    Adherends: PET film x Stainless steel
    Adhesive thickness: 100 μm coating (single side on stainless steel side)

    BBX909 tack property

    Open time condition Inclined ball tack
    23°C 50%RH 30 min later 17
    After 24 h 22

    BBX909 holding power

    Adherends Displacement
    Stainless steel x PET film 40°C 0mm
    80°C 0mm

    The adhesive was applied to one side of the PET film, then bonded to a stainless-steel adherend after 30 minutes of open time.
    Adhesive thickness: 100 μm
    Application area: 25mm x 25mm
    Test method: The materials were left in an environment under each temperature for 60 minutes, under 1-kg load. The displaced distance, or the time until the PET film dropped was measured.

    Stickiness of BBX909 to olefin resin

    (N/25mm)

    Adherends PET side coating Applied to adherend
    PE x PET film 9 14
    PP x PET film 12 10

    The adhesive was applied to one side of the PET film, then bonded to a stainless-steel adherend after 30 minutes of open time.
    The adhesive was applied to one side of the adherend, then bonded to PET film after 30 minutes of open time.
    Adhesive thickness: 100 μm
    Test method: JIS Z0237, 23°C50%RH 4 W curing

    Product data

    Property

      BBX909 BBX-UV300
    Application / Properties / Features Moisture curing type UV-curing type / RoHS-compliant
    Type One-part elastic adhesive One-part UV curable elastic adhesive
    Base Acrylic modified silicone resin Acryl
    Appearance Light yellow transparent paste Light yellow clear liquid
    Nonvolatiles wt% 94  
    Viscosity Pa・s/23°C 26 55
    Density g/cm3 0.97 1.03
    Tack development time 23°C 7 min  
    Recommended cumulative amount of light *1 mJ/cm2   3000
    180° degree peel strength N/25mm *2 20  
    Adhesion properties Adhesive strength N/25mm *3   16.9
    Stickiness (PET film x Stainless steel) Ball No. *4 17  
    Ball No. *5 22  
    Holding power (PET film x Stainless steel) mm/1kg・80°C*6 0 0
    Cured properties Hardness Asker C   27
    Breaking strength MPa   0.2
    Elongation at break %   1425
    Electric Characteristics Volume resistivity Ω・cm   4.22 x 1012
    Surface resistivity Ω/sq   3.89 x 1013
    Insulation breakdown voltage kV/mm   15.1
    Dielectric constant 100Hz   5.62
    Dielectric loss tangent 100Hz   0.078
        RoHS
    Capacity 135mL 1kg
Price Terms︰FOB HONGKONG,FOB SHENZHEN
Payment Terms︰TT
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