Every textile screen printer should have ample viscosity reducer on hand. This reducer can be used in any plastisol ink to reduce viscosity. It also reduces opacity when added to high-opacity inks. No more than 1-3 percent by weight should be added to reduce opacity. This product also contains a special detackifing agent that helps reduce the amount of ink that sticks to the bottom of the screens when printing wet-on-wet . Generally, no more than 10-15 percent by weight should be needed