9H Ceramic Coating Explained: What Does 9H Actually Mean?

9H Ceramic Coating Explained: What Does 9H Actually Mean?

What 9H Means: The “H” in 9H stands for Hardness on the standard Pencil Hardness Scale (ASTM D3363 / ISO 15184), not the Mohs hardness scale used for mineral identification. A 9H rating indicates that the cured nanoceramic coating can successfully resist...