Butyl glue

Butyl Sealant – High-Performance Primary Seal for Insulating Glass (IGU)

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Butyl glue

  • The first double-glazed glass sealing line: Butyl glue is used as the primary adhesive in the production of double-glazed glass and plays a key role in preventing moisture from penetrating into the glass.
  • Excellent adhesion properties: Due to its special polymer structure, it has very high adhesion to all kinds of surfaces, including glass, aluminum and spacers.
  • High flexibility and elasticity: It adapts well to movement and thermal expansion/contraction after application and maintains its elasticity over time.
  • Anti-moisture and steam: One of the most important tasks of butyl glue is to prevent moisture and water vapor from entering the space between the two panes of glass.
  • Non-evaporation and long-term durability: Unlike some common adhesives, butyl does not evaporate and has very good atmospheric resistance.
  • Resistance to environmental conditions: Provides stable performance against extreme temperature changes, rain and UV rays.
  • Can be used in glass and window industries: Suitable for double-glazed glass factories, window assembly workshops and industries related to heat and sound insulation.
  • Available in different packages: According to the volume of consumption, it can be prepared in various formats for workshops and industries.

Factory Direct Wholesale & Export Inquiries:

Available in bulk master cartons for international container export (FCL/LCL). We provide private label manufacturing and complete TDS/MSDS technical data.

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Product Overview Butyl Sealant – High-Performance Primary Seal for Insulating Glass (IGU)

Butyl Sealant

The first and most important sealing layer in the production of double-glazed windows

Butyl glue is a polymer paste with high adhesion and extraordinary flexibility, which is used in the production of double-glazed glass as the first line of defense against the penetration of moisture and steam.
This product significantly increases the durability and quality of double-glazed glass with its excellent adhesion to glass, aluminum spacers and other surfaces.

General specifications

  • • Product type: Butyl Sealant
  • • Base material: Butyl Polymer
  • Role: Primary seal in double-glazed glass
  • Uses: Double-glazed glass, spacer, thermal and moisture insulation
  • • Key feature: Excellent adhesion, high flexibility, no evaporation

Outstanding features

  • Excellent adhesion: Strong connection to glass, aluminum and all kinds of industrial surfaces.
  • High flexibility and elasticity: Compatible with thermal movements and pressures caused by atmospheric changes.
  • Anti-moisture and steam: Effective prevention of moisture entering the space between the two panes of glass.
  • No evaporation and long shelf life: High atmospheric resistance and maintain performance over time.
  • Resistance to environmental conditions: Stable performance against temperature changes, rain and UV rays.

Application cases

  • Production of double-glazed and multi-glazed glass
  • Aluminum spacer sealing and sealing
  • Thermal and sound insulation of windows
  • Glass, window and facade industries

Technical point

Butyl glue is used as a primary seal along with silicone or polysulfide (secondary seal) and the final sealing quality of double-glazed glass depends on the performance of both seals.