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产品名称

MF840 Two-component Polysulfide Sealant Special for Manufacture of Insulating Glass

Introduction:Two-component,neutralcuredatroomtemperatureandcuringtimeadjustable.Movementcapability:±20%.Highelasticityandhighmodulus.Excellentresistancetohigh&lowtemperatureandairaging.Excellentadhesi
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Detail

  Introduction:

  MF840 is solvent free, two-component, room temperature cured polysulfide sealant. It has excellent adhesion to most building materials such as glass, aluminum alloy, and galvanized-steel, etc. The product is formulated to facilitate optimal performance on both mechanical and manual application equipment. MF840 is used for the manufacture of IG units in conjugation with butyl sealant. It also can be used singly.

  Characteristics:

  Two-component, room temperature cured.

  Good adhesion. Excellent resistance to air aging.

  Free of solvent. Without materials with low boiling point, no pollution to the environment.

  Purposes:

  Mainly applied in the sealing of IG in construction, traffic and refrigeration industries.

  Properties:

  

 

  Consistent with standard: JC/T486 EN 1279

  Laboratory condition shall be 23±2℃, 50±5﹪Relative Humidity, specimens for testing tensile strength should be stored for 7 days at this conditions.

  Methods of Application:

  1. Surface-cleaning:

  For good adhesion, the surface must be clean and dry without dust.

  2. Mixture:

  The Com A and Com B must be mixed according to the designated ratio A: B=100:(6-12). Curing speed can be adjusted (the more Com B, the faster curing time, vice versa). The process should be operated evenly until there is no chromatic aberration.

  3. Injecting sealant

  Injecting sealant along one direction in case of bubbles.

  Attention:

  Polysulfide sealant can’t be used with silicone sealant, otherwise will affect the adhesion. The operating temperature should be at least 5℃ or above, which otherwise will affect the curing time and adhesion.

  Storage:

  The shelf life will be 12 months stored in cool, dry and ventilated place.

  Package:

  Large Package: Com A 300 kg /barrel; Com B 30 kg / barrel

  Medium Package: Com A 30 kg / barrel; Com B 3.6 kg /barrel

  Small Package: Com A 4 kg / barrel; Com B 0.48kg/bag

  Transportation:

  MF840 is non-dangerous, can be transported by train, ship, boat and plane.

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