What does ADF stand for?

Auto-Darkening Filter (glass)

This definition appears very rarely and is found in the following Acronym Finder categories:

Business, finance, etc.

Other Resources:

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Association Dentaire Française (French Dental Association) Association des Francophones (French: Association of French Speakers) Astrophysics Data Facility Asymptotic Distribution Free Augmented Dickey-Fuller (economics) Ausbildungsdienst der Formation (Swiss Army) Australian Defence Force Australian Doctors' Fund Australian Drug Foundation Auto da Fé (band)		Automated Document Factory Automatic Direction Finder/Finding Automatic Document Feed(er) Automatically Defined Function Automotive Distribution Federation (UK) Auxiliary Detonating Fuze Average Daily Flow Average Duration of Fades Avian Development Facility (space station scientific payload; part of the Space Station Biological Research Project) Avionics Development Facility

Samples in periodicals archive:

The brochure explains how the auto-darkening filter for safety works.

3M Welding

Another was to make it easier to change or add impact plates and auto-darkening filter plates.

Welding Helmet Design Aided by Plastics Supplier

Hornell's Speedglas brand auto-darkening filter welding helmets and Adflo brand respiratory protection equipment broaden 3M's offering and increase its access to a fast-growing segment in the welding industry.

3M Completes Acquisition of Hornell International

The Sentinel helmet is available with a state-of-the-art auto-darkening filter, which protects against damaging ultra-violet arc rays.

U.S. Welding Champ Chooses Sentinel Helmet; Comfort and Safety will ...