Liquitex Pro 慢乾調混凝膠Liquitex Professional Slow-Dri Gel

Slow drying time by 40% and increase transparency, so you can work your paint for longer.

Mix as much as you like into acrylic color/medium to create the viscosity and transparency you want - the more you add, the more transparent your color will become.

This is semi-opaque when wet, transparent when dry