Other functions of coatings include:
* Anti-fouling coatings
* Anti-microbial coatings. 
* Anti-reflective coatings for example on spectacles.
* Coatings that alter or have magnetic, electrical or electronic properties.
* Flame retardant coatings. Flame-retardant materials and coatings are being developed that are phosphorus and bio-based. These include coatings with intumescent functionality.
* Non-stick PTFE coated cooking pots/pans.
* Optical coatings are available that alter optical properties of a material or object.
* UV coatings