本文件规定了如何确定层压地板覆盖件的耐冲击性。所描述的试验测量了表层承受掉在地板覆盖物上的小型和大型物体冲击的能力。通过模拟不同场景的一个小钢球和一个大钢球对表层的冲击，测试具有破坏性。小钢球和大钢球的下落高度用于确定层压地板覆盖件承受冲击的能力。这两种测试通常在具有合适尺寸的层压板的零件上进行。 大直径球法的精度尚不清楚。当实验室间数据可用时，将在后续修订中添加精度声明。 关于小直径法的精度，见第条8.

This document specifies how to determine the impact resistance of laminate floor covering elements. The test described measures the ability of the surface layer to withstand impact from both small and large objects dropped on the floor covering. The testing is destructive by means of the impact on the surface layer from one small and one larger steel ball simulating different scenarios. The falling height of both the small and the large steel ball is used to define the ability for a laminate floor covering element to withstand impacts. Both tests are generally carried out on parts of the laminate floor panels with suitable sizes. The precision of the large-diameter ball method is not known. When interlaboratory data become available, a precision statement will be added in subsequent revisions. The precision regarding the small diameter method is stated in Clause？8.