Bitumen and Tar

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Asphalt and Bitumen Ovens

The ovens listed here are specifically designed for the testing of bitumen

Model No. Desc
46-4100/01 Loss on Heat/Thin-Film Oven 220-240V 50/60 Hz
46-4150/01 Rolling Thin-Film Oven 220-240V 50/60 Hz
46-4155/01 -
46-4150/11 -

Pressure Ageing Vessel

Model No. Desc
46-5010/01 Pressure Ageing Vessel

Saybolt-Furol Viscosity

Model No. Desc
46-7003/01 Saybolt Viscometer

Sampling and Preparation

Flash and Fire Point

There are a number of test methods using different equipment with closed or open cups. The Cleveland Flash Cup Apparatus is used to test cutback bitumen and may sometimes also be used to test penetration grade bitumen. The apparatus utilises the open cup test method. Note that results from different methods cannot be correlated.

Softening Point

The test is performed in duplicate under closely controlled conditions. Water is used as the bath medium for binders with softening points below 80ºC. Above this temperature glycerol is used in place of water. The softening point is a fundamental property of binders other than cutbacks and emulsions. The test is often referred to as the Ring and Ball test.

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