Published
Is applicable to papers and boards which have been rendered water resistant or waterproof by internal sizing, by surface sizing, by coating, or by lamination using waterproof laminants , or by any other method, and is not suitable for corrugated fibreboard by may be applied to components of such board.
PUBLISHED
ISO 5633:1983
90.93
Standard confirmed
Jul 10, 2025
Paper and board — Determination of resistance to water penetration
90.93 Standard confirmed