Bitumen Laboratory Mixer for mixing of Bitumen for making different types of test specimens for mix design in the laboratory. The apparatus comprises of A motor driven mixer which simultaneously imparts two motions to the mixing paddle i.e. revolving and planetary. A two speed gearbox is incorporated in the drive which makes the paddle revolve at approximately 140 and 285 rpm with corresponding planetary motion of 62 and 125 rpm respectively, A stainless steel mixing paddle of the specified shape and dimension which can be attached or removed easily, A stainless steel mixing bowl of about 6 Ltr capacity fitted with Heating Jacket for Heating of Sample at the Bottom of bowl with the thermostat controller. The mixing bowl can be held with the mixing apparatus and its height is adjustable.The bitumen laboratory mixer is fitted with ý HP motor. Suitable for Operation on 220 V, Single Phase, 50 Hz, AC Supply.