Ink Manufacturers Announce Price Increases Siegwerk anticipates difficult raw material markets and signals selective price increases for 2013. These materials are indispensable for producing print products such as packaging, advertising brochures and newspapers. And in recent years, they have constantly increased in price. This refers to tree resins, pigments, additives such as bonding agents and solvents – the raw materials and components used for the printing ink industry. Take, for exam...