1) In printing field, compound means the additive to adjust the printability of the ink. The tackiness is decreased and the ink becomes thixotropic.
2) The additive to increase the viscosity. Although it is ideal that the compound has the opposite effect to reducer or thinner, it is practically difficult. Thixotropic agent is generally used for this reason.
3) In palstics field, compound means the material that can be formed as it is. The necessary additives such as plasticizer, filler, coloring agent or reinforcement agent is added to the synthetic resin to make this material.

Cracks that happen to the surface of the ink film or substrate.

To harden the ink film with reaction. UV curing means the drying with UV ray.