DRG Bitumen Cutback Bitumen
Know why leading infrastructure construction companies consider DRG Bitumen among the top cutback bitumen processing companies in India
All Grades of Cutback Bitumen Under One Roof
Explore the full range of cutback bitumen products processed by DRG Bitumen
Properties, Benefits & Applications of DRG Bitumen Cutback Bitumen
From construction to operations & maintenance, DRG Bitumen has got you covered with high quality cutback bitumen products
About DRG Cutback Bitumen
offers top quality cutback bitumen and is a supplier to leading roads and highways construction companies in India. Our processed cutback bitumen products find extensive applications cutting across national highways, state highways, expressways, and marquee infrastructure projects under the ambit of the National Infrastructure Pipeline
The emulsion unit at our integrated bitumen processing plant is equipped with capabilities to produce diverse grades of cutback bitumen products in accordance with IS 217-2018 and has a monthly installed capacity of 4500 MT.
Grades of DRG Cutback Bitumen
At , we offer the following grades of cutback bitumen to roads and highways construction and maintenance companies and infrastructure project developers in India:
- Cutback bitumen RC-70
- Cutback bitumen RC-250
- Cutback bitumen RC-800
- Cutback bitumen RC-3000
- Cutback bitumen MC-30
- Cutback bitumen MC-70
- Cutback bitumen MC-250
- Cutback bitumen MC-800
- Cutback bitumen MC-3000
- Cutback bitumen SC-70
- Cutback bitumen SC-250
- Cutback bitumen SC-800
- Cutback bitumen SC-3000
Properties & Benefits
Cutback bitumen is a type of bituminous binder produced by dissolving bitumen in a petroleum-based solvent such as kerosene, naphtha, diesel, or furnace oil to reduce its viscosity and improve workability at lower temperatures. This temporary reduction in viscosity allows it to be applied without heating, making it especially useful in cold climates and for easier handling.
Following are the properties of cutback bitumen:
Low Viscosity
Due to the added solvent, cutback bitumen has much lower viscosity compared to straight bitumen, enabling easier spraying, spreading, and mixing at ambient temperatures.
Adhesiveness
It has excellent adhesive properties, effectively binding aggregates in road construction and other applications.
Curing Rate
The solvent evaporates after application, causing the bitumen to harden and regain its original properties. The curing time depends on the solvent type—rapid-curing (RC) solvents evaporate quickly, medium-curing (MC) solvents evaporate moderately, and slow-curing (SC) solvents evaporate slowly.
Flexibility
Once cured, cutback bitumen remains flexible enough to tolerate surface movements and temperature variations without cracking.
Weather Resistance
It forms a waterproof, durable layer resistant to heavy rainfall, temperature extremes, and sunlight after solvent evaporation.
Environmental Considerations
The evaporation of solvents releases volatile organic compounds (VOCs), so low-VOC solvents and proper environmental precautions are recommended.
Applications
Cutback bitumen is a versatile material primarily used in road construction and maintenance due to its reduced viscosity from added solvents, which allows it to be applied at lower temperatures. Following are the applications of cutback bitumen:
Road Construction : Used for creating new road surfaces by mixing easily with aggregates, providing durable and weather-resistant asphalt
Road Maintenance : Ideal for pothole repairs, patchworks, and surface dressing where it bonds well with existing surfaces, extending road life
Prime Coat : Applied as a protective layer on the base course before asphalt laying to prevent moisture penetration and enhance durability
Tack Coat : Serves as an adhesive layer between asphalt layers to ensure strong bonding and improve road stability
Spray Sealing (Surface Dressing) : A thin layer is sprayed on damaged or low-traffic roads to waterproof and seal cracks, followed by aggregate application for skid resistance
Cold Mix Asphalt : Used in cold weather or for temporary repairs where hot mix asphalt is not feasible
Pipeline Coating : In the oil and gas industry, cutback bitumen coats steel pipes to prevent corrosion and dust, often combined with fiberglass tape