The new thermochromic ink from marking leader Markem Imaje, that changes colour at high temperatures, now offers food manufacturers a more reliable coding method, with a more obvious color change, to indicate correct sterilization of packaged food products. The ink changes from black to blue when the food package reaches the correct sterilization temperature of between 115 and 125 °C. Manufacturers are looking for a highly reliable coding method that can help improve product safety while also fitting with the [...]
