FSK foil scrim kraft facing FKSE-7511B is a utility grade Heat-sealing Foil-kraft-scrim Facing with 2-way scrim and 50gsm Kraft as well as heat-activated polyethylene on its back. The thicker Kraft provides neat apperance and enhances tensile strength, tear resistant and durability.

FSK foil scrim kraft facing is mainly used under roof decking, under attic rafters, over existing attic insulation, in floors, walls and crawl spaces, and in industrial and commercial buildings as radiant barrier to block radiant heat coming ductworks and cold rooms combining with traditional insulation such as glass wool, rock wool, phenolic panel, PU foam.

 

INSULATION FACING COMPOSITION

Composition

Description

Value (English)

Value (Metric)

Foil

Aluminum

0.28 mil

7 micron

Reinforcing- MD

Fiberglass

1/2 inch spacing

12.5mm spacing

Reinforcing-XD

Fiberglass

1/2 inch spacing

12.5mm spacing

Adhesive

Heat-resistance

–

–

Kraft

Natural

30lbs / 3000 ft2

50gsm

Heat-Activated Coating

Polyethylene

0.8 mil

20 micron

 

INSULATION FACING PROPERTIES

Physical properties

Test Method

Value (English)

Value (Metric)

Basis weight

Scale

20.4lbs / 1000 ft2

100gsm

Permeance (WVTR)

ASTM E96,

Procedure A

0.02 perm

1.15 ng/N.s

Tensile Strength-MD

ASTM D828

28.4 lbs / In

125 N/25mm

Tensile Strength-XD

ASTM D828

16lbs / In

70 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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