👉 Crispen is a type of paper made from cellulose, which has been used for centuries in the production of paper products. It is known for its light weight and durability, making it a popular choice for various applications such as packaging, printing, and writing. The term "crispen" was coined by French chemist Adolphe Krupp in 1870, after he had developed a process to convert cellulose into a paper-like material.