ISO 2815:2003描述了一种使用Buchholz压头在单一涂料或多层涂料，清漆或相关产品系统上进行压痕试验的方法。产生的压痕的长度表示涂层的残余变形。 该压痕测试不适用于含有强增塑剂的产品

ISO 2815:2003 describes a method for carrying out an indentation test on a single coating or multicoat system of paint, varnish or related product, using a Buchholz indentor. The length of the indentation produced is indicative of the residual deformation of the coating. This indentation test is not suitable for products which contain a strong plasticizer.