Frost(paint) is durable to solvents and not peeled off in the solvents for long time.
As the surface of the frost is smooth and fine, it shows good printings or writings on the slide.

▪ Frosts are durable under reagents for long time
▪ Any pens can be used on very fine surface of frosts
▪ Thanks to non-transparency letters on frosts are readable on a black desk
▪ Letters on frosts are well kept under Immuno-Staining process
▪ Various colors are provided (White, Yellow, Pink, Blue, Green, Camel, Shell Pink, Lilac, Orange)
▪ Due to frosts the glasses do not stick each other and not show Newton Ring.