International Organization for Standardization (ISO)
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ISO 11173:1994
Scope
Specifies a method for determining the resistance to external blows of thermoplastic pipes of circular cross-section (staircase method). Applicable to isolated batches of pipe to be tested at 0 鳦.
ISO 11173:1994 history
1994ISO 11173:1994 Thermoplastics pipes - Determination of resistance to external blows - Staircase method