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Homepage>BS Standards>85 PAPER TECHNOLOGY>85.060 Paper and board>BS 3137:1972 Methods for determining the bursting strength of paper and board
immediate downloadReleased: 1972-12-29
BS 3137:1972 Methods for determining the bursting strength of paper and board

BS 3137:1972

Methods for determining the bursting strength of paper and board

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Standard number:BS 3137:1972
Pages:22
Released:1972-12-29
ISBN:0 580 07272 X
Status:Standard
DESCRIPTION

BS 3137:1972


This standard BS 3137:1972 Methods for determining the bursting strength of paper and board is classified in these ICS categories:
  • 85.060 Paper and board

This British Standard describes methods for measuring the bursting strengths of paper and board. Section 2 specifies a method for measuring the bursting strength of paper subjected to rising hydraulic pressure.

The method is applicable to paper with bursting strength within the range from 70 kN/m2 to 1 100 kN/m2. It should not, however, generally be used for the components (such as fluting medium or linerboard) of a combined board, for which the method specified in Section 3 is more suitable. Paper of bursting strength less than 70 kN/m2 may also be tested by bursting a number of sheets together.

Section 3 of this British Standard specifies a method for measuring the bursting strength of board subjected to rising hydraulic pressure.

The method is applicable, in principle, to all types of board (including solid and corrugated fibreboard) with bursting strength within the range from 350 kN/m2 to 5 500 kN/m2 1).

It may also be used for papers or boards with bursting strength as low as 250 kN/m2 if the paper or board is to be used to prepare a material of higher bursting strength, such as corrugated board. In such instances, the measurements will not necessarily have the accuracy or precision stated for this method and the report should carry a note that the test gave results that were below the minimum value required by the method.

NOTE The titles of the British Standards referred to in this standard are listed on the inside back cover.


Describes the hydraulic methods for determining the bursting strength of paper in the range from 70 kN/m2 to 1100 kN/m2 and for board within the range 350 kN/m2 to 5500 kN/m2. The pneumatic method, sometimes needed for pulp handsheets and weak papers, is described in an appendix.