Thin Film Oven test is conducted for determining the effect of the heat and air on asphaltic material as per the requirements of IS: 9382. Loss on Heating test is conducted for determining the loss in weight of bitumen and flux-oils on heating as per the requirements of IS: 1212. The Oven is having a double walled Internal Chamber of 400mm x 400mm x 400mm (16 x 16 x 16) made of Stainless Steel and External Body made of Mild Steel Sheet (Powder Coated Paint) or Stainless Steel Sheet with glasswool insulation between the chambers. The Oven is having range from ambient plus 10C to 200C and fitted with variable digital temperature controller to maintain temperature at 163C + 1C. An external motor with shaft is fitted to rotate the platform at a speed of 5 to 6 rpm and also an Air Circulating Fan to maintain the sensitivity of + 1C in the test chamber. The Door of the Oven body is fitted with toughened glass for viewing the samples during the test.