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3M Nextel™ 550 Industrial Ceramic Fiber

Category Ceramic , Oxide , Aluminum Oxide , Silicon Oxide , Other Engineering Material , Composite Fibers
Manufacturer 3M
Trade Name Nextel™
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Chemical composition above is wt%. Crystal phases are gamma alumina amorphous SiO2. Filament diameter is 10-12 µm.3M Nextel fibers 312, 440, and 550 are designed for non-structural applications where their primary purpose is to act as a flame barrier. 3M Nextel Ceramic Fiber 550 is made from Al2O3, SiO2, and B2O3. Because 550 does not contain B2O3, this composition retains its strength better at high temperature.Information provided by 3M Ceramic Textile and Composites.
Physical Properties Metric English Comments
Density 3.03 g/cc
0.109 lb/in³
Particle Size <= 0.50 µm
<= 0.50 µm
Crystal size
Specific Surface Area <= 0.20 m²/g
<= 0.20 m²/g
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 2000 MPa

@Thickness 25.4 mm
290000 psi

@Thickness 1.00 in
gauge filament
Modulus of Elasticity 193 GPa
28000 ksi
Filament in Tension
Thermal Properties Metric English Comments
CTE, linear 5.30 µm/m-°C

@Temperature 100 - 1100 °C
2.94 µin/in-°F

@Temperature 212 - 2010 °F
Melting Point 1800 °C
3270 °F
Optical Properties Metric English Comments
Refractive Index 1.602
1.602
Component Elements Properties Metric English Comments
Al2O3 73 %
73 %
SiO2 27 %
27 %
Descriptive Properties Value Comments
Color Blue
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