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Aluminum foil facing (7u foil and 10×9 mesh glass cloth, laminated with F/R glue). This laminated insulation facing enjoys high tensile strength and good abrasive-resistance, and BS 476 Class O Fire-Rating approval. It is good as a vapor barrier of duct wrap, duct board and pipe insulation. Very good for industrial and vessel engine room’s thermal insulation. Aluminum foil facing is also a good choice for radiant barrier applications because of its low emissivity.

INSULATION FACING PROPERTIES:

Physical properties

Test Method

Value (English)

Value (Metric)

Basis weight

Scale

24lbs / 1000 ft2

118gsm

Permeance (WVTR)

ASTM E96,

Procedure A

0.1 perm

5.75 ng/N.s

Tensile Strength-MD

ASTM D828

51 lbs / In

225 N/25mm

Tensile Strength-XD

ASTM D828

34lbs / In

150 N/25mm

Burst Strength

ASTM D774

145psi

100 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

FACING COMPOSITION:

Composition

Description

Value (English)

Value (Metric)

Foil

Aluminum

0.72 mil

18 micron

Adhesive

F/R Glue

0.4 mil

10 micron

Glass cloth

10×9 mesh/cm

55 lbs / 3000 ft2

90 gsm