Automotive paint hardness measure

- Jan 30, 2018 -

The hardness of paint is measured according to the national standard hardness pencil, which can be divided into 17 categories of 6B-9H. The hardness of general paint is between B-3H. Ordinary car paint lacquer hardness standard is 2H, the hardness of special paint is generally 2-5H, usually, 2H hardness is only able to prevent the car at low speeds and small gravel collision, but for the highway On the driving car, If the paint touches a larger airborne material, it will be hit bumpy.

Japanese car paint softer, the German car paint harder, this argument is not absolute, but also sub-specific models, the average Japanese car paint hardness is 2-4H, the average German car paint hardness Between 3-5H.