BS EN ISO 4577:2019 pdf free.Plastics - Polypropylene and propylene-copolymers一Determination of thermal oxidative stability in air一Oven method. 5 Apparatus 5.1 Oven The oven shall be of mechanical convection type, capable of controlled circulation of air, with adjustable air intake and exhaust, equipped with a specimen holder and a temperature control system capable of adjustment to meet the following conditions. a)...
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