Sand patch apparatus, to determine the average macro texture depth of a pavement surface. This test is performed spreading a measured volume of fine sand (ASTM) or glass spheres (EN) into a circular patch on the road surface and filling the surface depressions to the level of the peaks.
Middelblok 134
2831 BP Gouderak
Netherlands
+31 (0) 182 30 31 60
info@abmbv.nl