Technical Data Sheet
PTFE Thread Sealant Tape
Standard Items
Polytetra Processors
Rakhial, Ahmedabad, Gujarat, India
www.automatasia.com
Standard density virgin PTFE sealant tape for quick, clean and economical sealing of male pipe threads of all sizes without contaminating the system.
Specification
| Sizes | 12, 19 and 25 mm widths; 10, 12 and 15 m roll lengths; standard density 0.4–0.6 g/cm³ and high density 1.2–1.6 g/cm³ |
|---|---|
| Tolerances | Width, thickness and density to agreed specification |
| Grades | Virgin PTFE, 15% Glass-filled PTFE, 25% Glass-filled PTFE, 25% Carbon-filled PTFE, Bronze-filled PTFE |
| Standards | ASTM D4894, ASTM D4745 |
| Typical uses | Pipe thread sealing, General purpose plumbing, Instrument fittings |
| Industries | Chemical, Utilities, Maintenance, Gas lines |
Typical properties — virgin PTFE
| Property | Typical value | Test method |
|---|---|---|
| Specific gravity | 2.14 – 2.20 | ASTM D792 |
| Tensile strength | 20 – 35 MPa | ASTM D638 / D4894 |
| Elongation at break | 200 – 400 % | ASTM D638 / D4894 |
| Hardness | Shore D 50 – 65 | ASTM D2240 |
| Coefficient of friction (dynamic) | 0.04 – 0.10 | ASTM D1894 |
| Continuous service temperature | −200 °C to +260 °C | — |
| Melting point | ≈ 327 °C | ASTM D4894 |
| Dielectric strength | ≈ 32 kV/mm (short time, thin section) | ASTM D149 |
| Water absorption | < 0.01 % | ASTM D570 |
Typical values for guidance only, not guaranteed minimums. Filled grades, linings and finished parts differ; confirm limits for your application. Issued 2026.