Question

Letterhead paper is usually either sulfide bond or ____, which is more expensive than other types of paper.

Answer 1

The answer to this question is the cotton fiber bond. A cotton fiber bond is also known as a rag paper which is a type of bond paper where the main or primary material of the paper is cotton from used rags. Cotton fiber bond papers are used for important documents because it has a property of not deteriorating and fading after many years of usage.