Value printing describes the printing of banknotes, postage stamps and lottery tickets. However, credit cards and shares are also produced with value inks.
Value printing inks are subject to the most stringent requirements and must be extremely abrasion-resistant and waterproof. Special resins are needed to achieve these specifications. Mostly phenol-modified rosin resins. These have properties such as low varnish viscosity and good pigment wetting.
KRAEMER also offers a wide range of suitable resins.KRAEMER Wiki