How it’s made: Instant film

  Video description Today it’s a digital world, but instant film is still getting plenty of exposure. In this video, take a factory tour to see how instant film is made.

One Minute Mentor: Salt Bath Furnaces

Molten salts of various compositions are well adapted to all operations in the heat treatment of tool steels. For tools that cannot be ground after hardening or for tools that require an excellent surface condition and the maintenance of sharp edges, salt bath heating provides excellent results.