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ISO 5423:1992
Moulded plastics footwear - Lined or unlined polyurethane boots for general industrial use - Specification
Specifies requirements, physical properties and marking. Gives the measurement of thickness (Annex A), the resistance to flexing of the upper material (Annex B), the flexing test of soling material (Annex C), strength test (Annex D), test pieces (Annex E) and boot heights (Annex F).
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International Organization for Standardization [iso]
International Organization for Standardization [iso]