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Thermal Products > Fiberfrax Ceramic Fiber Board Insulation > Duraboard LD (2300F) > View Items  

Duraboard LD (2300F)

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Fiberfrax Duraboard LD insulation is a rigid, high temperature ceramic fiber board manufactured in a wet forming process using alumina-silica fibers & binders. Duraboard LD offers low thermal conductivity, high temperature stability, uniform density & excellent resistance to thermal shock. Duraboard LD has a high quality surface finish & tight dimensional tolerances.

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Temperature Grade

Recommended Operating Temperature

Melting Point


Organic Binders

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

Densities (lbs/cu ft)

Thicknesses (inches)

Widths (inches)

Lengths (feet)


Duraboard LD 2300F 2100F 3200F Cream Yes 0.85 at 1000F mean 16 .125, .25, .5, 1, 1.5, 2, 3 & 4 24 & 42 36 & 48 Die cut & Machined 42”x48” only available in .125”-.5” 60”x108” available in 1”
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