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Foil scrim kraft tape is designed to seal FSK-facing fiberglass duct board and pipe insulation against moisture and vapor. It can also be used for patching rips and tears in foil-facing insulation and can be used with fiberglass duct wrap for added strength.

Foil-scrim-kraft (FSK) is a flame retardant, vapor-barrier, and it is one of the most commonly used facings in the insulation industry. High-strength foil-scrim-kraft paper all laminated together using a flame-retardant adhesive.Foil scrim kraft (FSK) tape has a combined backing of aluminum foil, kraft paper, and fiberglass scrim. The combined backing properties result in a strong tape that provides a barrier against vapor. 

FSK-Foil scrim kraft backing

A-Acrylic adhesive

120-Backing thickness120um

170-Tape thickness170um

B-2 way scrim

 

ALUMINUM FOIL TAPE APPLICATIONS:

Foil scrim kraft tape is used for sealing HVAC duct seams and joints where FSK is the basic insulation facing. It is used for sealing and patching FSK ductwork and insulation and provides a finished look for exposed HVAC systems.

ALUMINUM FOIL TAPE FEATURES:

  • Scrim layer bends with the primary facing providing integrity to the insulation and a strong, finished, appearance.
  • Release liner provides easy removal for efficient application on the job site.
  • High-tack synthetic rubber adhesive forms an instant bond.
  • Moisture-, mold-, and UV-resistant design.

TAPE PROPERTIES:

PROPERTIES

METRIC

ENGLISH

TEST METHOD

Backing Thickness

120Micron

4.8Mil

PSTC-133 / ASTM D 3652

Total Thickness

170 Micron

6.8Mil

PSTC-133 / ASTM D 3652

Adhesion to Steel

25N/25mm

90Oz./In.

PSTC-101 / ASTM D 3330

Tensile Strength

120 N/25mm

27.3Lb/In

PSTC-131 / ASTM D 3759

Elongation

1.0%

1.0%

PSTC-131 / ASTM D 3759

Service Temperature

-30℃ to +80℃

-22℉ to +176℉

 

Applying Temperature

+10℃ to +40℃

+50℉ to +105℉

 

TAPE ROLL SIZE:

Finish Roll:

50mm x 50m 2” x 55yds

75mm x 50m 3” x 55yds

Log Roll: 1200mm x 50m

Jumbo Roll:1200mm x 900m