| Jenis pembayaran: | T/T,Paypal |
| Inkoterm: | FOB,CFR,CIF,EXW,DDP,DDU |
| Min. Memesan: | 1 Kilogram |
| Transportasi: | Ocean,Land,Air,Express |
| Pelabuhan: | Shenzhen,Guangzhou,Hongkong |
Model No: DuPont™ Vespel® SP-211
Merek: Vespel
| Menjual unit | : | Kilogram |
| Tipe paket | : | Paket Ekspor |
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DuPont ™ Vespel® SP-211 memiliki koefisien gesekan yang lebih rendah daripada SP-21 tanpa pelumasan dalam berbagai aplikasi. Vespel® SP-211 menawarkan ketahanan aus yang sangat baik hingga 300˚F (149˚C). Tersedia sebagai bagian khusus atau bentuk stok.
DUPONT ™ VESPEL® SP-211 tersedia sebagai billet yang dicetak secara isostatis dan lempengan yang ditekan secara tidak langsung yang ditentukan sebagai tipe II, kelas 3M dan tipe II, kelas 3P masing-masing per ASTM 6456-10 / MIL-R-46198. Vespel® SP-211 ditentukan sebagai kelas 4 per AM 3644G.
Properti utama
Kekuatan tinggi pada suhu tinggi
Gesekan rendah
Pakaian rendah
Batasan
Ketahanan kimia terhadap beberapa asam dan basa kuat
Menghidrolisis di hadapan uap
Aplikasi
Bushing & Bearing
Segel dinamis
Dorong mesin cuci
Sifat khas dari Vespel ® Polyimide SP-21. Grafit & PTFE diisi
| Description | Value | ||
| Material Type | Imidized Amorphous Thermoplastic | ||
| Chemical Name | PI Polyimide | ||
| Trade Name | DuPont™ Vespel® Polyimide SP-211 | ||
| Additives | 15% Graphite & 10% PTFE | ||
| Color | Black | ||
| Manufacturer | DuPont | ||
| PHYSICAL | |||
| Property | Test | Unit of Measure | Value |
| Density | ASTM D792 | g/cm³ | 1.55 |
| ASTM D792 | lb/in³ | 0.056 | |
| Water Absorption, 24 hrs, Immersion | ASTM D570 | % by wt. | 0.21 |
| MECHANICAL | |||
| Property | Test | Unit of Measure | Value |
| Tensile Strength | ASTM D638 | psi | 6500 |
| Tensile Elongation at Break | ASTM D638 | % | 3.5 |
| Flexural Strength | ASTM D790 | psi | 10000 |
| Flexural Modulus | ASTM D790 | psi | 450000 |
| Compressive Strength | ASTM D695 | psi | 14800 |
| Compressive Modulus | ASTM D695 | psi | 300000 |
| Hardness | ASTM D785 | NA | Rockwell E1 - 20 |
| Static Coefficient of Friction | Static COF in Air* | NA | 0.2 |
| Dynamic Coefficient of Friction | COF@PV = 3.5 MPa m/s (100K psi-ft/min)* | NA | 0.08 |
| THERMAL | |||
| Property | Test | Unit of Measure | Value |
| Coefficient of Linear Thermal Expansion | ASTM D696 | x 10-5 in./in./°F | 3 |
| Max Continuous Operating Temp | °C | 260 | |
| °F | 500 | ||
| Minimum Operating Temp | °C | -195 | |
| °F | -319 | ||
| Thermal Conductivity | ASTM C117 | BTU-in/ft²-hr-°F | 5.3 |
| ASTM C117 | x 10^4 cal/cm-sec-°C | 18.3 | |
| Flammability Rating | UL94 | NA | V-0 |
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