Testing of bitumen weight loss on heating

According to the thermal degradation of tar bitumen is a ratio of weight loss at 163 ° C for 5 hours, heating degree air-placed in the device.

Test method by heating the bitumen weight loss:

To test two samples tested, 50 grams of bitumen, 5.5 cm in diameter and a depth of 3.5 cm test two cans poured and put in the oven.
After 5 hours of bitumen contained samples from the inside out, and after cooling it to our weight.
Weight loss is equal to the amount of weight loss on heating asphalt bitumen to the initial weight multiplied by a hundred.

viscosity test of bitumen