Secret codes on packages: What does the black and white diamond mean?.. As of: April 2, 2024, 11:34 a.m By: Bjarne Kommnick, Julia Hanigk CommentsPressSplit The symbols on packages often cause confusion.
Because for many it is not immediately obvious what they actually stand for. The symbol could mean that an approved hazardous substance could be supplied in, for example, 20 different 1 liter containers, but not in a single 20 liter container.