It creeps and flies in the microcosm. For paint and varnish manufacturers who have dared to switch from solvent-based products to more environmentally friendly aqueous coating systems, this is no simple matter. Bacteria, fungi, yeasts and the like can make life difficult for them. Accordingly, hygiene is very important during production in order to avoid any contamination of the paints and varnishes produced. However, even the cleanest production cannot guarantee contamination-free products, which is why biocides are often used to prevent the growth of various microorganisms in the container and to give manufacturers and customers the security of ...