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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  |
| Price | EMAIL US sales@lookpolymers.com |
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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