UV varnish: Varnishes which dried immediately by exposure to ultra-violet light. A UV varnish unit some-times installed in-line with a printing machine to perform overall or spot varnishing.

• 紫外线光油：在紫外光照射下，即时乾燥的光油。有时，紫外线光油机组是印刷机的一个联动装置，作全面或局部加印光油。