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    Thursday, 19 April 2018 14:51

    Rolling thin film oven test of bitumens RTFOT

    apparatus for determining the thin film volatility of bitumen ASTM D 2872 - EN 12607

    Category: Bitumen

    The apparatus, in acc. with ASTM D 2872 - EN 12607, consists of a forced air circulation oven suitable for temperatures up to 180°C and equipped with a rotating shelf placed inside along with a coil that preheats the air directed into the sample container.
    This test is used to determine the effect of heat and air on a moving film of semi-solid asphaltic materials. The effects of this treatment are determined from measurements of the properties of the asphalt before and after having heated in a oven for 75 minutes at 163°C a moving film of asphaltic material while air at a rate of 4 l/min is directed against the sample.

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