ISO 305-1990 Plastics determination of thermal stability of poly(vinyl chloride) related chlorine-containing homopolymers and copolymers and their compounds dis.pdf

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1、NORME INTERNATIONALE IS0 305 DeuxEme bdition 1990-04-O 1 Plastiques - DGtermination de la stabilk thermique du poly(chlorure de vinyle), des homopolymikes et copolymkes chlo 5.1.4 Cylindres en aluminium, de 15 mm + 0,5 mm - de diametre et 30 mm de hauteur. 5.1.5 Instrument mesurage temps, Par exempl

2、e un chronometre, avec une precision de 0,5 min ou meilleure. 5.2 Mode ophatolre 5.2.1 Preparer un nombre approprie de tubes c) identification complete de Iechantillon, y com- pris la composition du melange et le mode de preparation des eprouvettes, par exemple le traitement thermique; - jusquti la fin de Iessai; f) date de Iessai. La collection complete des eprouvettes ayant subi Iessai et une eprouvette non traitee, fixees sur un carton, doit accompagner le rapport dessai, mais il est essentiel que ce carton soit conserve dans Iobscurite. d) temperature dessai; Page blanche Page blanche

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