FSK–Foil scrim kraft backing

R-Rubber-resin adhesive

120-Backing thickness120um

170-Tape thickness170um

A-3 way scrim

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.

FSK Insulation Jacketing 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.

TYPICAL APPLICATIONS:

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

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.

TYPICAL PHYSICAL 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

-20℃ to +80℃

-4℉ to +176℉

 

Applying Temperature

+10℃ to +40℃

+50℉ to +105℉

 

ROLL SIZE

Finish Roll:  

50mm x 50m     2” x 55yds

75mm x 50m     3” x 55yds

Log Roll:   1020mm x 50m                

Jumbo Roll: 1020mm x 3000m

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