RTFO-ASTM D2872 (Rolling Thin-Film Oven Test) Effect of Heat and Air on a Moving Film of bitumen

this video to clarify the ASTM D2872 Standard Test Method for Effect of Heat and Air on a Moving Film of Asphalt Binder (Rolling Thin-Film Oven Test) هذا الفيديو لتوضيح طريقة الاختبار القياسية ASTM D2872 (RTFO)