# PTFE Coating (Teflon)

> The slippery armor: fluoropolymer for low friction, non-stick release and chemical inertness.

- Process group: Coatings & Painting
- HTML page: https://fabvector.com/finishes/ptfe-coating (Portuguese: https://fabvector.com/pt/finishes/ptfe-coating)

## Specifications

| Spec | Value |
|---|---|
| Coating thickness | 15–35 µm |
| Tolerance impact | Adds roughly the coating thickness per surface (15–35 µm) after grit-blast pretreatment, which itself slightly roughens the substrate. Mask toleranced fits or include coating allowance in the program — specify the finish at quote time. |
| Corrosion rating | Excellent — the fluoropolymer is chemically inert to nearly all acids, bases and solvents; barrier protection depends on a pinhole-free coat, so thickness class matters for immersion service. |
| Appearance | Matte black, gray or green-gray depending on the system; a uniform low-sheen industrial look that hides the machined texture. |
| Applicable substrates | steel, stainless-steel, aluminum |

## Not suitable for

Continuous service above 260 °C — PTFE degrades and releases harmful fumes beyond its rated limit; strongly abrasive environments (the soft fluoropolymer wears through quickly — use hard chrome or hardcoat); high contact-pressure bearing surfaces where the coating cold-flows; surfaces that must later be painted or bonded (nothing sticks to it — that is the point).

## Typical applications

- Low-friction slides and guide surfaces
- Non-stick mold and tooling release faces
- Chemical process hardware exposed to aggressive media
- Food machinery contact parts (FDA-rated systems)