Security Paper

Let Keystone work with your company to create unique methods of providing new and innovative security papers for your customers.

Specialty Solvent Dyes for Security Papers- Keystone has a full line of Solvent Dyes which are applied by beater add to your security papers for the purpose of document identification. These products are invisible in your security papers until the paper comes in contact with one of many solvents at which time the solvent dyes dissolve and become visible in the document.

Other new and innovative ideas for security papers from Keystone: Color changing dyes: Keystone has a full range of color changing dyes, including Keyflour Invisible fluorescent dye powders and liquids. These dyes and pigments are invisible on your security papers under the normal visible light range. They become visible only under ultraviolet lighting conditions and emit full, vivid colors in the red, yellow, green and blue range.

Reversacol Photochromic dyes from James Robinson are special effect products to enhance and protect your product from copying and diversion. These products change from colorless to colored when exposed to ultraviolet light. A full palette of shades are available. Keystone also offers a complete range of thermochromic colorants as well.