pencil hardness

Let’s Talk About Cure Testing of Inorganic Zinc Rich Primers

We explore various methods of testing an IOZ primer for cure prior to overcoating. Inorganic zinc-rich primers are used on newly fabricated steel in the shop and frequently dry very quickly but may not cure for days unless there is sufficient airborne moisture available to react with the ethyl silicate binder.

Let’s Talk About Cure Testing of Inorganic Zinc Rich Primers Read More »