This European Standard specifies a method for the characterization of the perceptible properties of bitumen and bituminous binders at ambient temperature prior to testing for other properties.
BS EN 1425:2000 history
2012BS EN 1425:2012 Bitumen and bituminous binders. Characterization of perceptible properties
2000BS EN 1425:2000 Methods of test for petroleum and its products - Bitumen and bituminous binders - Characterization of perceptible properties