This is the best video to watch on the difference between dye ink and pigment ink. For years I’ve dabbled in stamping and could never find anyone to explain it to my. There are clearly better applications for each one. Acrylic stamps have never made me happy and know I know why. Dye inks work better on rubber based stamps and pigment gives you a more solid image when used with pigment inks. I always disliked the way ink would bead up on the acrylic stamps. Know I know!