Basic Properties & Grades of Filled PolyTetraFluoroEthylene - PTFE
PTFE is available in many different Grades as Virgin PTFE, Chemically Modified PTFE, Carbon Filled PTFE, Glass Filed PTFE, Carbon / Coke Filled PTFE, Graphite Filled PTFE, Bronze Filled PTFE, Bronze + Molybdenum Disulphide Filled PTFE, Aluminum Oxide Filled PTFE, Calcium Fluoride Filled PTFE, Stainless Steel Filled PTFE, Mica Filled PTFE, Glass + MoS2 Filled PTFE, MoS2 Filled PTFE, Chemically Modified PTFE etc.
The Filled grades of PTFE can be compounded & customized for specific service conditions & applications. Filled PTFE grades have specific properties improvement based on filler, type of filler & percentage of filler.
Manufacturing of PTFE Polymer / Resin -
| Sr.No. | Grade | Filler Content by Weight(%) | Standard Series | Properties |
|---|---|---|---|---|
| 1 | Virgin PTFE | - | Yes |
|
| 2 | Chemically Modified PTFE | - | Yes |
|
| 3 | Pigmented PTFE | - | No |
|
| 4 | Glass filled PTFE | 15 - 25 | Yes |
|
| 5 | Carbon / Coke filled PTFE (soft amorphous carbon hard fiber) | 25 - 35 | Yes |
|
| 6 | Graphite filled PTFE(pure crystalline carbon) | 15 | Yes |
|
| 7 | Carbon + Graphite + Glass Filled | 12 + 3 + 10 | Yes |
|
| 8 | Bronze filled PTFE(oxidising /Non oxidising) | 40 - 60 | Yes |
|
| 9 | Bronze plus, Molybdenum Disulphide filled PTFE | 55 + 5 | Yes |
|
| 10 | Aluminum Oxide filled PTFE | 5 - 10 | Yes |
|
| 11 | Calcium Fluoride filled PTFE | 5 - 10 | No |
|
| 12 | Stainless Steel filled PTFE | 5 - 10 | No |
|
| 13 | Mica filled PTFE | 5 - 10 | No |
|
| 14 | Glass + MoS2 filled PTFE | 5 + 10 | Yes |
|
| 15 | MoS2 Filled PTFE | 0.1 - 0.2 | No |
|
| 16 | Peek Filled PTFE | 15 | Yes |
|
| 17 | Borum Nitrite Filled PTFE | 10 | No |
|
| 18 | Cobalt Aluminate Filled PTFE | 0.3 | No |
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