Foil-Scrim-Kraft facing & Vapor Barrier

The F/R grade Foil-Scrim-Kraft Facing with 3-way scrim and 60gsm Kraft (F/R treated), mainly used as a facing and vapor of duct wrap insulation required good fire rating, also suitable for other insulation applications where a general use vapor retarder is needed.

Foil-Scrim-Kraft(FSK) Facing is also a good choice for radiant barrier applications because of this low emissivity.

  • Introduction

FOIL SCRIM KRAFT FACING COMPOSITION

Composition

Description

Value (English)

Value (Metric)

Foil

Aluminum

0.28 mil

7 micron

Reinforcing- MD

Fiberglass

2 / inch

8 / 100mm

Reinforcing-XD

Fiberglass

3 / inch

12 / 100mm

Adhesive

Flame-Retardant

Kraft

F/R Treated

36.6 lbs / 3000 ft2

60gsm

 

FSK FACING TYPICAL PHYSICAL PROPERTIES

Physical properties

Test Method

Value (English)

Value (Metric)

Basis weight

Scale

18.0 lbs / 1000 ft2

88gsm

Permeance (WVTR)

ASTM E96,
Procedure A

0.1 perm

5.75 ng/N.s

Tensile Strength-MD

ASTM D828

29.5 lbs / In

130 N/25mm

Tensile Strength-XD

ASTM D828

13.6lbs / In

60 N/25mm

Burst Strength

ASTM D774

43.5psi

30 N/cm2

Low temperature
Resistance

ASTM D1790
4 hrs @
-40℉ (-40℃)

Remains Flexible
No Delamination

Remains Flexible
No Delamination

High temperature
Resistance

ASTM D1790
4 hrs @
+240℉ (+116℃)

Remains Flexible
No Delamination

Remains Flexible
No Delamination

Emissivity

ASTM E408

-0.03

-0.03

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