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Unifrax Fiberfrax® 440 Ceramic Fiber Paper

Category Ceramic , Oxide , Aluminum Oxide , Silicon Oxide
Manufacturer Unifrax I LLC
Trade Name Fiberfrax®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Unifrax Fiberfrax® 440 Ceramic Fiber Paper.pdf
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  Online Service   lookpolymers   27660005
Material Notes:
440 paper is a low-cost, high-strength composite paper made from a combination of ceramic fiber, inert fillers, and reinforcing fiberglass. The fiberglass gives added strength to the 440 paper at operating temperatures between 450 and 1300°F. This product is formulated with a fire retardant smoke suppressant reducing the effects of the organic binder burnout.Information Provided by Unifrax I LLC
Physical Properties Metric English Comments
Density 0.208 g/cc
0.00752 lb/in³
Loss On Ignition 9.5 %
9.5 %
including binder
Mechanical Properties Metric English Comments
Tensile Strength at Break 0.310 MPa
45.0 psi
As manufactured
Tensile Strength, Yield 0.593 MPa
86.0 psi
As manufactured
Compressive Strength 0.0345 MPa
5.00 psi
10% deformation
0.234 MPa
34.0 psi
25% deformation
3.37 MPa
489 psi
50% deformation
Thermal Properties Metric English Comments
Melting Point 982 °C
1800 °F
Maximum Service Temperature, Air 704 °C
1300 °F
Recommended Operating Temperature
Component Elements Properties Metric English Comments
Al2O3 32 - 35 %
32 - 35 %
Fe2O3 <= 2.0 %
<= 2.0 %
SiO2 42 - 46 %
42 - 46 %
Descriptive Properties Value Comments
Color Gray
Na2O3 (%) <2
Temperature Grade (°C) 870
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