Објављен
Applicable to test pieces cut from products of cellular materials. Useful for two purposes: a) studying the structure of cellular products in connection with their physical properties and their method of manufacture and b) ensuring product quality (quality assurance). Describes principle, apparatus, test piece and conditions, procedure and calculation and expression of the results. Three figures deliver the details for testing.
ОБЈАВЉЕН
ISO 4638:1984
90.93
Одлука о потврђивању стандарда
25. 11. 2020.
Fleksibilni polimerni materijali sa ćelijama- Određivanje propustljivosti struje vazduha
60.60 Стандард објављен