PIADIN® is a substance which is slightly harmful to water (WHC 1) and it is subject to the Ordinance on Hazardous Substances “Preparation containing ammonium nitrate – group DI”. TRGS 511 (Technical Rules for Hazardous Substances) must be heeded. PIADIN® has no limitations in terms of environmental compatibility. Direct contact between the PIADIN® product and galvanized material must be avoided.