BS 525:1991

This British Standard specifies requirements for the construction, size and quality of fibre cores ranging from 4 mm diameter to 24 mm diameter for wire ropes and covers the following materials:

1. hard fibres: manila and sisal;
2. man-made fibres: fibre-forming polyolefins.

Hard fibre and man-made fibre cores specified in this standard may be employed as main cores in ropes complying with BS 302-1 to BS 302-6 and other similar standards.

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

Construction, size and quality of cores made of hard natural fibres or man-made fibres, including methods of test for verification of requirements.