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JUNBOND JB20 Polyurethane Automotive Sealant

Junbond® JB20 is one-component moisture curable polyurethane sealant. It has excellent bonding and sealing performance. No corrosion and pollution to substrates, environment friendly, no bubbles during application, smooth and fine appearance etc.


Overview

Applications

Technical Data

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Direction for use

 Remove dust, oil and water from the surface of substrates.

 Application environment temperature 5~35℃, humidity 50~70%RH. When the temperature below 5℃, recommended place products in the environment of  30~40℃ for  1H  (No more than 3H).

  For Construction method, please refer to JUNBOND construction description or consult technical personnel.

 The paint must be tested for compatibility before painting.

 Activator and primer are not required.

Features

  • One-component, excellent thixotropy, easy for application.High viscosity.
    • Excellent sealing performance with mental, glass and a wide range of paints.
    • Excellent sealing and cohesion performance, flexible and durable in sealing.

Packing

 

  • Cartridge:310ml                           
  • Sausage: 400ml and 600ml    
  • Barrel: 5 gallons(24kgs) and 55 gallons(240kgs)

 

Storage and shelf live

 

  • Transport: Keep away the sealed product from moisture, the sun, high temperature and avoid collisions.
  • Storage: Keep sealed into cool, dry place.
  • Storage temperature: 5~25℃. Humidity: ≤50% RH.
  • Cartridge and Sausage 9 month, Pail 6 month.

 

Color

● White/black/grey / customer required


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  • Suitable for sealing between side glass and main parts of automobile, railway buses and ships. Sealing for automotive skin leather and aluminum gusset. Sealing for inner and exterior decorations.

     

     

     

    JB20

     

     

     

    Items

     

    Properties

     

    Appearance

     

    White,Gery homogeneous paste

    Sagging properties(mm) GB/T 13477.6  

    0

    Tack free time②(min) GB/T 13477.5  

    35, approx.

    Curing speed(mm/d) HG/T 4363  

    3.2, approx.

    Non-volatile contents (%) GB/T 2793  

    97, approx.

    Shore A-hardness GB/T 531.1  

    55, approx.

    Tensile strength(MPa) GB/T 528  

    2.5, approx.

    Elongation at break(%) GB/T 528  

    600, approx.

    Operating temperature (℃)  

    -40~90

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