Formerly exclusive manufacturers for Sherman Treaters / ITW-ST from 1987 to June 2008, CDE Products have been producing Surface Tension Test Inks (dyne test inks) to a world-renowned and refined standard. Surface Test Inks are primarily used to measure the surface energy of non-porous materials such as plastics, metal and glass surfaces in dynes/cm ( mN/m ) prior to printing, coating or adhesion. Predominantly used in the packaging sector, Surface Test Inks can additionally be utilised in industries such as automotive/aviation engineering, medical technology and electronics manufacturing. Visit Our Website for further information of our product ranges.