BS EN 13357:2003 Methods of test for petroleum and its products - BS 2000-502: Bitumen and bituminous binders - Determination of the efflux time of petroleum cut-back and fluxed bitumens
2011BS EN 12846-2:2011 Bitumen and bituminous binders. Determination of efflux time by the efflux viscometer. Cut-back and fluxed bituminous binders
2003BS EN 13357:2002 Methods of test for petroleum and its products BS 2000-502: Bitumen and bituminous binders - Determination of the efflux time of petroleum cut-back and fluxed bitumens