Imitation Etch
Imitation etch is a special pad printing ink used for producing an etch like effect on glass products.

Advantages
Much lower cost than real etching.
Can brand curved or uneven products.
Produces a subtle, high perceived value finish that looks like etching.
Limitations
Halftones cannot be consistently reproduced.
The size of branding areas is limited on curved surfaces.
Minor print distortion may occur on uneven or curved surfaces.