It is available in various weights, such as or Medium Weight (85 g/m²) , often used for documentation in ISO Class 3–8 environments. 3. Financial Paper (Investing)

manufactures cleanroom bond paper designed to minimize particle contamination in labs and manufacturing.

If you are looking for paper, which is a specialized "proper paper" used in high-tech environments:

: A major local digital publication focused on the community, arts, and opinions in the region.