Definitions for "Security paper"
Generally rag paper, always woodfree, watermarked and chemically impregnated. Very reactive and strong. Security papers also carry identification marks which help to prevent counterfeiting. Used for making bank notes, cheques etc.
A special paper used to make it more difficult to produce fraudulent stamps or alterations.
Paper that contains special features, such as dyes, florescent fibres, and watermarks, used on checks and other security sensitive documents.