Methods of test for footwear and footwear materials. Other components - Tensile strength of fibreboard Ingestion-build-59651 Normative references have been changed

Normative references have been changed to undated

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Methods of test for footwear and footwear materials. Other components - Tensile strength of fibreboard Ingestion-build-59651 Normative references have been changedWhat is BS 5131 4. 5 Tensile strength of footwear fibreboard about? Some footwear components are produced by bonding together fibrous materials into sheets. These materials are known as fibreboards and are used mainly for insoles, stiffeners, counters, toe puffs, reinforcing, patterns, templates, etc. Fibreboards are made from vegetable materials such as wood pulp, cellulose, wastepaper, carton or animal fibres such as leather scrap. The BS 5131