本文件规定了一种使用合适的量具（刻度为微米）测定油漆、油墨和相关产品研磨细度的方法。 适用于所有类型的液体涂料和相关产品，但含有片状颜料（如玻璃鳞片、云母氧化铁、锌鳞片）的产品除外。

This document specifies a method for determining the fineness of grind of paints, inks and related products by use of a suitable gauge, graduated in micrometres. It is applicable to all types of liquid paints and related products, except products containing pigments in flake form (e.g. glass flakes, micaceous iron oxides, zinc flakes).