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Fiberfrax S Duraback insulation is a strong, lightweight, flexible needled blanket intended for use as a cost effective back up material.

Unit of Measure


Temperature Grade

N/A 1800F

Recommended Operating Temperature

N/A 1800F

Melting Point

N/A 3000F


N/A White

Organic Binders

N/A No

Thermal Conductivity (BTU/in/hr/sf/F)

N/A 1.0 at 1000F mean for 4#/cf

Densities (lbs/cu ft)

N/A 4, 6 & 8

Thicknesses (inches)

N/A 1 & 2

Widths (inches)

N/A 24

Lengths (feet)

N/A 12.5 & 25


N/A Die Cut & Slit
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