PTFE seals include high performance energized PTFE seals; PTFE lipped rotary shaft seals, PTFE bearings, PTFE backup rings and etc. The extensive resources enable us to offer suitable solutions when applied to sealing systems.
Meridian offers customized PTFE seals according to customers’ drawings, samples and requirements. Meridian also can offer PTFE seals according to standard such as DIN11851 and etc.
The typical PTFE properties from Meridian include:
| VIRGIN PTFE Properties |
Unit |
Result |
| Apparent Density |
g/cm3 |
2.10~2.25 |
| Tensile Strength |
Mpa |
﹥25 |
| Ultimate Elongation |
% |
﹥200 |
| Working Temperature |
℃ |
-180~260 |
| Melting Point |
℃ |
327 |
| Produce Max. temperature |
℃ |
385 |
| Hardness Rockwell |
|
M65 |
| Graphite (Filled PTFE) |
Glass Fiber Filled PTFE |
| Good thermal conductivity |
|
| Chemically inert |
Oxidation and acid resistance |
| Low friction |
Dimensional stability |
| Minimum wear to mating surface |
|
| Carbon Fiber (Filled PTFE) |
Bronze (Filled PTFE) |
| Extremely good chemical resistance |
Improved comprehensive strength and hardness |
| virtually all media |
| Wide temperature range(-260℃~+260℃) |
High thermal conductivity |
| Good sliding properties |
Low creep, wear and friction |
| Improved dimensional stability |
Goods for high load unlubricated bearings |
| Improved creep resistance |
|
| Very good electrical insulation properties |
|
