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3M Nextel™ BF-20 Woven Fabric 440

Category Ceramic , Oxide , Aluminum Oxide
Manufacturer 3M
Trade Name Nextel™
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF 3M Nextel™ BF-20 Woven Fabric 440.pdf
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Material Notes:
Information provided by 3M
Physical Properties Metric English Comments
Density 3.05 g/cc
0.110 lb/in³
Permeability 15
15
[ft<sup>3</sup>/min/ft<sup>2</sup>], Air w/o sizing
Thickness 510 microns
20.1 mil
Fiber Count 2220 dtex
2000 denier
roving
Mechanical Properties Metric English Comments
Tensile Strength at Break 2000 MPa
290000 psi
filament 25.4mm
Tensile Modulus 186 GPa
27000 ksi
filament
Tear Strength 38.2 kN/m
218 pli
Fill, Breaking Strength w/o Sizing
44.1 kN/m
252 pli
Warp, Breaking Strength w/o Sizing
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
Specific Heat Capacity 1.13 J/g-°C

@Temperature 500 °C
 0.270 BTU/lb-°F

@Temperature 932 °F
Melting Point 1800 °C
3270 °F
Optical Properties Metric English Comments
Refractive Index 1.614
1.614
Component Elements Properties Metric English Comments
Al2O3 70 %
70 %
B2O3 2.0 %
2.0 %
SiO2 28 %
28 %
Electrical Properties Metric English Comments
Dielectric Constant 5.7

@Frequency 9.375e+9 Hz
 5.7

@Frequency 9.375e+9 Hz
Dissipation Factor 0.015

@Frequency 9.375e+9 Hz
 0.015

@Frequency 9.375e+9 Hz
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