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by: Ntp Tar Products Pvt. Ltd., Vadodara
We have in store for our clients, Cutback Bitumen, which is developed as per the IS standards. Clients can avail cut-back bitumen of RC-3, MC-3, and MC-5 grades for cold weather construction and maintenance under all weather conditions. It is a free flowing liquid at normal temperatures. The cut-back bitumen we are offering is obtained by fluxing bitumen with suitable solvents. Its viscosity is substantially reduced by adding Kerosene or any other solvent. Further, Cut-back is used in tack coat applications and its various grades are available in India, which are governed by IS: 217:1988 standards.
Types and grades:
Cut-back Bitumen shall be of three types:
Tests for Cut-Back Bitumen:
Procedure For Field Preparation Of Cut Back Bitumen:
Paving Bitumen 80/100 is heated at 100° to 110°in a bitumen boiler. The required quantity of distillate of specified type is taken in an empty drum. Hot bitumen from the boiler is added to the drum. After closing the lid of the drum containing distillate and hot bitumen, it is rolled on the ground to and fro till a uniform blend is obtained. The blend so prepared is transferred to a storage tank. Sufficient quantity of cut back bitumen has to be prepared before undertaking the road construction work. It may be ensured that the drum containing distillate is kept at a safe distance from bitumen boiler equipment.
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