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89-21 - Aluminum Foil Tape

Application
  • Join and seal duct work.
  • Join and seal duct insulation.
  • Insulation board and batts.
  • Seaming, sealing and patching of fiberglass duct board and other foil faced products.
Benefits
  • Listed UL 723 "Test for Surface Burning Characteristics of Building Materials".
  • Good conformability.
  • High holding power.
  • Long term performance.
  • Good temperature resistance.
  • Good reflectivity of heat and light.
Code  
Colour  
Dimensions  
Units
89-21  
Silver
 
 
Backing 40 micron (1.6 mil) Aluminum foil
Adhesive Solvent Based acrylic
Total Thickness 0.07 mm • 2.9 mil
Adhesion 80 N/100 mm • 75 oz/in
Tensile Strength 280 N/100 mm • 16 lb/in
Application Temperature 10 °C to 40 °C • 50 °F to 104 °F
Temperature Resistance -40 °C to 120 °C • -40 °F to 248 °F

 

N.B. Values quoted are averages only and may vary within industry tolerances. The final user must assure product suitability for the application and assumes all risks and liabilities.