Product Description
FSK50B is a commercial grade Foil-Scrim-Kraft Facing with tri-directional fiberglass scrim and 50gsm Kraft, most commonly used as a facing for duct wrap insulation, Also used under roof decking, under attic rafters, over existing attic insulation, in floors, walls and crawl spaces, and in industrial and commercial buildings to block radiant heat coming into house during the summer and retain indoor heat generated during the winter as a radiant barrier for its low emissivity.
Construction

Facing Composition	Description	Value (Metric)	Value (English)
Foil	Aluminum	7 micron	0.28 mil
Reinforcing	Fiberglass	8 / 100mm - MD	2 / inch - MD
		8 / 100mm - XD	2 / inch - XD
Adhesive	Polyethylene	--	--
Kraft	Natural	50gsm	30.5 lbs / 3000 ft2

Typical Physical Property

Physical Property	Value (English)	Value (Metric)	Test Method
Basis Weight	17.4 lbs / 1000 ft2	85 gsm	Scale
Permeance	0.1 perm	5.75 ng/N.s	ASTM E96
Tensile Strength	25 lbs/In - MD	105 N/25mm - MD	ASTM D828
	11.5lbs/In - XD	50 N/25mm - XD
Burst Strength	43.5 psi	30 N/cm2	ASTM D774
Temperature Resistance	Remains Flexible No Delamination	Remains Flexible No Delamination	ASTM C1263 - 30 °C/+90 °C
Dimensional Stability	Less than 0.5%	Less than 0.5%	ASTM D1204 @ 150F (65C)
Emissivity	0.03	0.03	ASTM E408

Roll Width: 1.0m, 1.2m, 1.25m, 1.30m;
Roll length from 60m up to 2800M.
Remarks:
1. Above data are typical results and not the guaranteed performance.
2. Tolerance: Weight and Thickness: ±10%; Width: ±2mm; Length: ±0.5%.
3. The products should be stored at room temperature away from wet and heat source.
4. Please do trial-application and make sure the product can serve the specific application
  before actually put it to use.