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BS 3F 70:1991:2002 Edition

$86.31

Specification for heavy duty braided rubber cord

Published By Publication Date Number of Pages
BSI 2002 12
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This British Standard specifies requirements for heavy duty braided rubber cords in nine sizes from 5 mm to 26 mm in diameter.

These cords are suitable, when cut up into unit lengths, for the manufacture of shock absorber cord assemblies and for other aeronautical purposes.

It is intended that these cords are used for cord assemblies manufactured in accordance with BS SP 170-171.

NOTE 1 The titles of the publications referred to in this standard are listed on the inside back cover.

NOTE 2 The latest revision of an Aerospace Series standard is indicated by a prefix number.

Cords in nine sizes from 5 mm to 26 mm in diameter.

PDF Catalog

PDF Pages PDF Title
1 BRITISH STANDARD
2 Committees responsible for this British�Standard
3 Contents
5 1 Scope
2 Construction
3 Diameter
4 Rubber thread
4.1 Quality
4.2 Size and number
Properties of rubber thread
Sizes of cord and number of threads
6 5 Braiding
5.1 Materials
5.2 Construction
5.3 Date and markings
7 S twist
Colour indication of year of manufacture
Colour indication of 5 year groups
8 Number of coloured threads
Mechanical properties
6 Mechanical properties
7 Testing
8 Designation
9 Packaging, storage and use
9.1 Finished cord shall be packaged in accordance with BS�3F�69 and shall be stored in accordance…
9.2 For critical applications cord shall not be used that is more than�10�years old.
9 Determination of mechanical properties
Determination of mechanical properties
Test specimen and its preparation
Test conditions
Apparatus
Procedure
Keep the cord at the test conditions (see�
Grip the test specimen in the testing machine with the test length lying between the grips such t…
After a rest period of�1�min, reset the markers on the original test specimen to give a test leng…
Apply the load given in�
BS 3F 70:1991
$86.31