Foil vapor barrier R716A is a fire resistant grade insulation facing with 3-way scrim and 60gsm kraft. Foil-Scrim-Kraft Vapor Barrier is laminated 5 layers of structure, the outer layer is aluminum foil and kraft paper. The middle layer is the hlass fiber layer double side coated with adhesive, it increased tensile strength of FSK, and the aluminum foil and kraft paper are firmly bonded.

Foil vapor barrier as a laminated insulation facing protects insulation materials as like as a jacket. It mainly used as a facing & vapor barrier for glasswool / rockwool / foam duct wrap insulation, also a good choice for radiant barrier applications because of its low emissivity. Foil vapor barrier is most commonly used to exposed surfaces of Duct wrap, HVAC Ductwork, Exterior wall insulation, Metal building insulation, Pipeline insulation, Hot water tank insulation.

FSK: Foil-scrim-kraft, Scrim=Yarn

 

Insulation Facing Composition:

Composition

Description

Value (English)

Value (Metric)

Foil

Aluminum

0.28 mil

7 micron

Reinforcing- MD

Fiberglass

2 inch spacing

8 /100mm

Reinforcing-XD

Fiberglass

3 inch spacing

12 / 100mm

Adhesive

Polyethylene

Kraft

Natural

36.6 lbs / 3000 ft2

60gsm

 

Insulation Facing Properties:

Physical properties

Test Method

Value (English)

Value (Metric)

Basis weight

Scale

18 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

 

Available Roll Width: 1.0m, 2.0m, 1.25m, 1.30m, 1.35m

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