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.
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, |
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 |
ASTM D1790 |
Remains Flexible |
Remains Flexible |
|
High temperature |
ASTM D1790 |
Remains Flexible |
Remains Flexible |
|
Emissivity |
ASTM E408 |
-0.03 |
-0.03 |
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