
Bitumen Frass Breaking Point Apparatus For Crmb Test
Description :- Frass breaking point is the temperature at which bitumen first becomes brittle as indicated by the appearance of cracks when a thin film of the bitumen on a metal plaque is cooled & flexed in accordance with the specified condition. |
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The apparatus consist of bending apparatus plaques specimen made up of spring steel 41 mm long x20mm width & 0.15 mm thick, cooling apparatus made up of glass jars as per given specification. Digital temp. Indicator & mould press for uniform thickness of bitumen specimen on plaque. The whole instrument is fixed on a CRCA powder coated plate. |