âº [ C ] a word or expression that was first used in the US but is now used by people in other countries, especially those where English is spoken:  1 O.K. is an Americanism now used all over the world. 2  He was an immigrant who made it in America; Americanism was his religion.
YUPO is a synthetic paper which is ideal for working with alcohol inks. One of my most favorite surfaces to paint on is YUPO. YUPO is a synthetic paper made from plastic pellets and because of its slick surface, it is ideal for use with alcohol inks. The inks seem to move freely when applied to the YUPO surface.
You mentioned using alcohol, but you didn't indicate the percentage. You must use 91% isopropyl alcohol for good results in removing pen ink from leather. Dab a cotton swab or cotton ball with 91% isopropyl alcohol, and approach the stain at one side. Press gently, don't rub, until the ink appears on the cotton.ou mentioned using alcohol, but you didn't indicate the percentage. You must use 91% isopropyl alcohol for good results in removing pen ink from leather. Dab a cotton swab or cotton ball with 91% isopropyl alcohol, and approach the stain at one side. Press gently, don't rub, until the ink appears on the cotton.