IP 72 : 86(R1992)
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
DETERMINATION OF VISCOSITY OF CUTBACK BITUMEN
07-23-2013
01-12-2013
This method provides a measure of the viscosity by determining the time of efflux of 50 ml of a cut back bitumen, at 40 deg C, through a 10 mm orifice. The method is applicable to cut back bitumens whose efflux times lie in the range 15 to 500 sec; it is suitable for cut back bitumens complying with BS 3690.
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