GB/T 12909-1991
Paper and board--Determination of bending stiffness--Resonance method (English Version)

Standard No.

GB/T 12909-1991

Language

Chinese, Available in English version

Release Date

1991

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2009-05

Replace By

GB/T 22364-2008

Latest

GB/T 22364-2018

Scope

This standard applies to the determination of the bending stiffness of various paper and board. This standard is not applicable to multi-layered paper and paperboard that will be delaminated during the measurement, paper and paperboard with obvious curl, especially paper with the curling axis on the long side of the test sample, and the basis weight is less than 10gm², It is also not suitable for the determination of corrugated cardboard.

GB/T 12909-1991 history

• 2018 GB/T 22364-2018 Paper and board—Determination of bending resistance
• 2008 GB/T 22364-2008 Paper and board.Determination of resistance to bending
• 1991 GB/T 12909-1991 Paper and board--Determination of bending stiffness--Resonance method

GB/T 12909-1991 Paper and board--Determination of bending stiffness--Resonance method was changed to GB/T 22364-2008 Paper and board.Determination of resistance to bending.