Knowledge of glue
How the color of the PIT VISIBLE BLUE disappears
It is made by blending the pH indicator that the PIT VISIBLE BLUE becomes colorless if there is a color until pasting and it dries up and it pastes it. In a word, it is an alkaline in the state of the product, and it is the one that the nature said that it neutralized by touching the air and inhaling carbon dioxide, reacting with the acidic component of the paper, and losing moisture by drying.
The effect obtained by this feature, the place and the amount that I painted because the color is attached, it can be coated without any waste reliably in the necessary place, such as the work is reliable and fast and economical and efficient things are given.