Insulfrax S Blanket meets European regulatory requirement (Directive 97/69/EC) with a chemistry of calcium, magnesium & silica. This needled blanket is completely inorganic & is rated to 2012F.
Unit of Measure



N/A White

Temperature Grade

N/A 1000 oC (1832 oF)

Recommended Operating Temperature

N/A 1000 oC (1832 oF)

Melting Point

N/A 1260 oC (2300 oF)

Specific Heat (10000C)

N/A 1000 j/kgk

Specific Gravity

N/A 2.67 g/cm3

Average Tensile Strength

N/A 4.0 psi/4 PCF 5.0 psi/6 PCF 7.0 psi/8 PCF


N/A High humidity and wetting with water prior to service has little effect on Insulfrax 1800 Blanket.

Densities (lbs/cu ft)

N/A 4 6 8

Thickness (inches)

N/A 0.5 1 1.5 2

Width (inches)

N/A 24 48

Length (feet)

N/A 12.5 25


N/A Full Roll