What is ISO 8791‑5 about?
ISO 8791‑5 is the fifth part of the ISO 8791 series on documents on paper and board. ISO 8791‑5 is an international standard on the determination of roughness/smoothness of paper and board.
ISO 8791‑5 specifies one of the air leak methods for determining the smoothness of paper and board using an apparatus that complies with the air leak method, as defined in this part of ISO 8791. ISO 8791‑5 is applicable to all printing papers and boards.
Who is ISO 8791‑5 for?
ISO 8791‑5 on paper and board is useful for:
- Paper and board manufacturers
- Paper mills
- Testing laboratory/test personnel of paper and board
Why should you use ISO 8791‑5?
Paper textures play a key role in how a printed work looks when complete. It can affect everything from how bright the colour looks, to how the ink fills the paper, and how a printed material feels.
ISO 8791‑5 provides you with one of the air leak methods i.e., the Oken method to determine the texture of paper and board.
The methods and procedures provided by ISO 8791‑5 assists you to detect the roughness/smoothness of paper and board.