LIGHTFAST INKPrinting products such as posters, labels, medicine packages, etc. need to be lightfast and weather resistant. Some general-purpose inks lack lightfastness because they are produced with consideration to color, tone, price, printability, etc. The ink to be used for the products that require lightfastness must therefore meet the degree of lightfastness required by the usages of the product.HUADA offers lightfast inks, which are categorized in 3 levels according to the strength of lightfastness, for various applications.LIGHTFAST INKS Discoloration is distinctively noticeable when printed material, printed by this category, is exposed to Fade-o-meter for 100 hours. It is suitable for products that are displayed in the shops for long time.SUPER LIGHTFAST INKSDiscoloration is distinctively noticeable when printed material, printed by this category, is exposed to Fade-o-meter for 200 hours. It is suitable for campaign posters, stickers, outdoor posters, and print material used in illumination.