| Density |
2.19 Gram per cubic centimeter(g/cm3) |
| Weight |
Varies per size and material, typically lightweight |
| Color |
White, transparent, or as per encapsulation material |
| Resistance level |
Excellent chemical and temperature resistance |
| Size |
Standard and custom sizes available as per DIN, AS568, ISO specifications |
| Diameter |
Custom and standard internal diameters available |
| Tensile Strength |
12-17 MPa (typical for FEP encapsulation) |
| Length |
Continuous rings based on diameter specification |
| Product Type |
PTFE Encapsulated O-Ring |
| Natural Rubber |
Not applicable; does not contain natural rubber |
| Hardness |
PTFE encapsulation: 55-62 Shore D |
| Rubber Type |
FKM, Silicone, or EPDM (core material) |
| Feature |
Chemical resistance, low friction, non-stick, high temperature resistance, non-contaminating |
| Material |
PTFE encapsulation over FKM (Viton), Silicone, or EPDM core |
| Surface Finish |
Smooth, non-porous, low friction |
| Thermal Conductivity |
0.25 W/mA*K (approximate for PTFE) |
| Components |
PTFE jacket/encapsulation, elastomeric core |
| Style |
Circular, encapsulated |
| Width |
Customizable, standard cross sections available from 1.78 mm to 25.4 mm |
| Part Type |
O-Ring |
| Tolerance |
Standard O-Ring tolerances, typically A+-0.08 mm |
| Compression Ratio |
Typical compression set <25% depending on core material |
| Usage & Applications |
Used for sealing in chemical processing, food and pharmaceutical industries, and high-purity applications requiring strong chemical and temperature resistance. |
| Flame Resistance Level |
PTFE is inherently flame resistant |
| Water Absorption |
<0.01% (PTFE material) |
| Temperature Resistance |
-60AdegC to +260AdegC (FEP encapsulation) or up to +300AdegC (PFA encapsulation) |
| Thickness |
Cross section thickness as per standard O-Ring sizes |