Slow Curing Cutback Bitumen Definition
Slow curing cutback bitumen is a type of bitumen that has been blended with a solvent to reduce its viscosity, making it easier to handle and apply. This blend cures at a slower rate after application compared to rapid or medium curing cutback bitumen. SC Cutback Bitumen and oils of low volatility generally in the heavy distillate range (SC-70,SC- 250, SC-800, SC-3000). The degree of liquidity developed in each case depends principally on the proportion of solvent to asphalt cement. To a minor degree, the liquidity of the cutback may be affected by the hardness of the base asphalt from which the cutback is made. The degree of fluidity results in several grades of cutback asphalt—some quite fluid at ordinary temperatures and others somewhat more viscous. The more viscous grades may require a small amount of heating to make them fluid enough for construction operations.
Slow Curing often called “road oils,” are usually a residual material produced from the fractional distillation of certain crude petroleum’s. Traditionally any kind of aromatic, naphthenic and paraffinic oils are used. Slow Curing liquid bitumen materials can be prepared by blending bitumen with an oily petroleum fraction.
SC Cutback Bitumen Applications
Slow curing cutback bitumen is used in various applications where extended setting times are advantageous. Some common applications include:
- Chip Seal Surfacing: SC cutback bitumen is applied as a binder for chip seal surfacing, providing a durable and weather-resistant road surface.
- Slurry Seal: Used as a binder in slurry seal applications, which involve applying a mixture of slow curing cutback bitumen, fine aggregates, and water to rejuvenate and protect existing pavement surfaces.
- Fog Seal: Applied as a fog seal to rejuvenate and waterproof asphalt surfaces, extending their service life and enhancing appearance.
- Prime Coat: SC cutback bitumen can be used as a prime coat to improve the bond between a road’s base layer and the subsequent asphalt or chip seal layers.
- Tack Coat: Used as a tack coat to bond asphalt layers together during pavement construction or repair, providing a strong and durable pavement structure.
- Dust Palliative: Applied to unpaved roads or construction sites to control dust emissions and improve road safety and environmental conditions.
- Pothole Patching: Slow curing cutback bitumen can be used for pothole patching to fill and repair damaged areas of asphalt pavement.
These applications benefit from the extended setting times of slow curing cutback bitumen, allowing for greater workability and flexibility during application, as well as providing long-lasting performance and durability in various weather and traffic conditions.
SC Cutback bitumen Packing
- Bulk as IBC Tank, Flexi Tank
- Reconditioned steel drums 220 lit., Net Weight: 191 ± 3 Kg
- New steel drums 220 lit., Net Weight: 191 ± 3 Kg
