
Glossary of surface technology
PWIS
Acronym of Paint-Wetting Impairment Substances. These substances are comprised in silicones, fluorinated substances, many oils, lubricants and release agents. PWIS must be carefully avoided and removed from the components in all painting, coating, and bonding applications. PWIS Go to⇒ PWIS-free to learn in detail how plasma technology removes PWIS.