This ink is white in appearance but become translucent when exposed to water and then reverts back to a white state when dry.
Technical Literature - Click to view
We produce two types of ink.
1. The first changes from a colour to white when exposed to water and remains so when dry again.
2. The second dissolves and washes off the surface revealing a message below.
Black and Blue
Dock Road Industrial Estate
Flintshire CH5 4DS
Tel: 01244 817110
Fax: 01244 818502