Manufacturer of Cutback Bitumen (Base Solvent Bitumen) From Turkey and Dubai-UAE

 

Description of Cutback Bitumen 

Cutback Bitumen is a type of bituminous binder used in road construction and maintenance. It is a form of bitumen (asphalt) that has been cut back with a volatile solvent to make it more fluid and easier to work with. The solvent is usually kerosene, diesel, or gasoline.

Cutback Bitumen is classified into different grades based on the viscosity of the binder after the solvent has evaporated. The viscosity of the Base Solvent Bitumen is measured using a specific method, and the grade is usually designated with a series of letters and numbers, such as MC-30, RC-70, or SC-800.

Base Solvent Bitumen has several advantages over conventional bitumen, including:

1. Increased workability: The addition of solvent makes the bitumen more fluid and easier to handle, particularly in colder weather.
2. Enhanced adhesion: The solvent improves the adhesion of the bitumen to aggregate, creating a stronger and more durable bond.
3. Reduced curing time: The solvent evaporates quickly, allowing the bitumen to cure and set faster.
4. Reduced viscosity: The solvent reduces the viscosity of the bitumen, making it easier to pump and apply.

Base Solvent Bitumen is typically used in cold weather regions where conventional bitumen may be too viscous to handle. It is also used in applications where a quick cure time is required, such as emergency road repairs. However, the use of cutback bitumen is becoming less common due to environmental concerns associated with the use of volatile solvents.

Uses of Base Solvent Bitumen

Cutback bitumen is a type of bitumen that has been dissolved in a solvent to reduce its viscosity. The solvent used is usually a volatile substance like kerosene, naphtha, or diesel oil. This process makes the bitumen easier to handle and apply at lower temperatures, which can be beneficial in certain applications such as road construction and repair.

The choice of Base Solvent Bitumen for a specific application depends on factors such as the required viscosity, the ambient temperature, and the expected traffic conditions. It is important to note that the solvent used in Cutback Asphalt can be harmful to the environment and health, so proper precautions must be taken during handling and application.

Cutback bitumen is a type of bitumen that has been mixed or “cutback” with a solvent, typically petroleum distillates, to reduce its viscosity and make it easier to work with at ambient temperatures. This type of bitumen is commonly used in a variety of applications, including road construction, roofing, and waterproofing. Some common applications of cutback bitumen include:

1. Road construction: Cutback bitumen is commonly used in road construction as a binder for aggregate materials. It can be applied as a prime coat, tack coat, or seal coat to improve the bonding between layers and create a strong, durable road surface.

2. Roofing: Cutback bitumen can be used as a roofing material to create waterproof membranes that protect buildings from water infiltration. It is typically applied as a hot-melt adhesive and can be used in combination with other roofing materials to create a variety of roof types, including built-up roofs, modified bitumen roofs, and single-ply membranes.

3. Waterproofing: Cutback bitumen can also be used as a waterproofing material for concrete structures, such as foundations, basements, and retaining walls. It is typically applied as a hot-melt adhesive and can be used in combination with other waterproofing materials to create a seamless, watertight barrier.

4. Pavement preservation: Cutback bitumen can be used in pavement preservation techniques such as fog seals and chip seals to rejuvenate and extend the life of existing asphalt pavements. It is typically applied as a thin coat over the existing pavement surface and helps to seal small cracks, protect the pavement from oxidation and water infiltration, and improve skid resistance.

What is The Main Grades of Cutback Bitumen (Cutback Asphalt)

Base Solvent Bitumen grades are typically classified by their viscosity, which is determined by the amount of solvent used in their formulation. The main cutback bitumen grades include:

1. Rapid Curing (RC): These are rapid-curing grades, typically containing less than 30% solvent.
2.  Medium Curing (MC): These are medium-curing grades, typically containing between 30% and 50% solvent.
3.  Slow Curing (SC): These are slow-curing grades, typically containing more than 50% solvent.

The choice of grade depends on factors such as the application and environmental conditions, as well as the desired rate of curing. Rapid-curing grades are often used in applications where a quick cure time is important, while slow-curing grades may be used in colder climates or when extended workability is needed.

Cutback Asphalt Production Prucess

Base Solvent Bitumen is produced through a process known as “cutback,” which involves mixing bitumen with a solvent to create a liquid product that can be easily applied. There are three primary methods used for producing Base Solvent Bitumen:

1. “Rapid-Curing” or RC cutback: In this process, the bitumen is dissolved in a volatile solvent such as naphtha or kerosene, which evaporates quickly when exposed to air. This results in a rapid curing of the bitumen, making it suitable for immediate use in road construction and repair.
2. “Medium-Curing” or MC cutback: This process involves dissolving bitumen in a less volatile solvent such as diesel or furnace oil. The slower evaporation rate of these solvents allows for a medium curing time, making MC Base Solvent Bitumen ideal for use in surface treatments and chip sealing.
3. “Slow-Curing” or SC cutback: In this process, bitumen is dissolved in a heavy residual oil, such as fuel oil or waste oil, which evaporates very slowly. SC cutback bitumen is typically used for surface sealing, especially in areas with heavy traffic or high temperatures, as it provides a durable and long-lasting surface.

Each of these methods has its own advantages and disadvantages, and the choice of which one to use depends on factors such as the climate, traffic volume, and surface conditions of the area where the bitumen will be applied. Additionally, cutback bitumen can be modified with additives to improve its performance in specific applications, such as enhancing its resistance to temperature extremes or increasing its adhesive properties.

Advantages of Using Cutback Asphalt (Base Solvent Bitumen)

Base Solvent Bitumen, or cutback asphalt, is a bituminous product made by adding petroleum distillates (such as kerosene) to asphalt to reduce its viscosity for ease of application. There are several advantages to using cutback bitumen:

1. Ease of Application: Since cutback asphalt is less viscous than regular asphalt, it can be applied at lower temperatures, which simplifies application and reduces the risk of burns to workers.
2. Fast Setting: Base Solvent Bitumen can set faster than asphalt emulsions. This means that roads or pavements treated with cutback can be opened to traffic more quickly after application.
3. Adhesion to Substrate: Base Solvent Bitumen has better adhesion properties than emulsions. This helps to form a stronger bond between the pavement and the substrate, resulting in a more durable surface.
4. Reduced Environmental Impact: Cutback asphalt typically has a lower environmental impact than emulsions because it requires less energy to produce and is less toxic.
5. Cost-Effectiveness: Base Solvent Bitumen is often more cost-effective than emulsions because it can be applied at lower temperatures, reducing energy costs.
6. Longer Shelf Life: Base Solvent Bitumen has a longer shelf life than emulsions, making it easier to store and transport.

Use of Cutback Bitumen in Prime Coat and Tack Coat

Base Solvent Bitumen, also known as liquid asphalt, is a type of bituminous material that is produced by removing the lighter fractions from a straight-run asphalt through the use of a solvent. The viscosity of cutback bitumen can be adjusted depending on the rate of evaporation of the solvent. This makes it possible to use cutback bitumen in both prime coat and tack coat applications in road construction.

In prime coat applications, Base Solvent Bitumen is typically applied to the prepared surface of a road or pavement before laying the base course or wearing course. This helps to bond the base course to the surface and prevent water from infiltrating the pavement layers. The low viscosity of cutback bitumen makes it easier to apply and allows it to penetrate the surface more effectively, ensuring a strong bond between the layers.

In tack coat applications, Base Solvent Bitumen is used to bond the layers of asphalt together during construction or repair. The tack coat is applied to the surface of the lower layer of asphalt before the upper layer is laid. The low viscosity of cutback bitumen allows it to penetrate the surface of the lower layer and form a strong bond with the upper layer, ensuring that the two layers of asphalt remain bonded together even under heavy traffic loads.

In summary, cutback bitumen is used in both prime coat and tack coat applications in road construction to provide a strong bond between the pavement layers and to prevent water infiltration. Its low viscosity and ability to penetrate the surface make it an effective choice for these applications.

What is Difference Between Cutback Bitumen and Bitumen Emulsion

Bitumen emulsion and Base Solvent Bitumen are two different types of bitumen that are used for various construction applications, but they have distinct differences.

1. Composition: 
   –  Bitumen Emulsion : It is a mixture of bitumen, water, and an emulsifier. The emulsifier acts as a stabilizer and helps to form a stable suspension of bitumen in water.
   –  Base Solvent Bitumen : It is a mixture of bitumen and a solvent such as kerosene, gasoline, or naphtha. The solvent reduces the viscosity of bitumen, making it easier to apply.
2. Application: 
   –  Bitumen Emulsion : It is primarily used for road construction, surface dressing, and tack coating.
   –  Cutback Bitumen : It is used for cold-mix and warm-mix applications, and as a primer, sealant, and aggregate adhesive.
3. Curing Time: 
   –  Bitumen Emulsion : It cures by breaking down and releasing water, which evaporates.
   –  Cutback Bitumen : It cures by the evaporation of the solvent.
4. Environmental Impact: 
   –  Bitumen Emulsion : It has a lower environmental impact compared to cutback bitumen because it doesn’t use volatile solvents.
   –  Base Solvent Bitumen : It has a higher environmental impact because it releases volatile organic compounds (VOCs) into the atmosphere.
5. Storage and Transportation: 
   –  Bitumen Emulsion : It can be stored and transported at lower temperatures compared to cutback bitumen.
   –  Base Solvent Bitumen : It needs to be stored and transported at higher temperatures to maintain its fluidity due to the presence of the solvent.

Usage of Cutback Bitumen in Primers Production

Base Solvent Bitumen is used in the production of primers primarily because of its lower viscosity compared to neat bitumen. This enables easier application as it can penetrate and adhere better to the substrate. Depending on the application, the viscosity of the cutback bitumen can be adjusted by the amount and type of solvent added. Cutback bitumen is commonly used in primers for road construction, waterproofing, and roofing applications, among others.

Chemical Characterization of Base Solvent Bitumen

Base Solvent Bitumen, also known as cutback asphalt, is bitumen that has been liquefied by the addition of a volatile solvent or diluent. The liquefied bitumen is easier to handle and apply at lower temperatures than the solid or semi-solid form.

Chemical characterization of Base Solvent Bitumen typically involves analyzing the properties and composition of the bitumen, as well as the type and amount of solvent or diluent used to liquefy it. Here are some of the key aspects of the chemical characterization of cutback bitumen:

1. Bitumen Composition: Cutback bitumen is primarily composed of bitumen, which is a complex mixture of hydrocarbons. The specific composition of bitumen can vary depending on its source and processing conditions.
2. Solvent Type and Concentration : The type of solvent used in cutback bitumen and its concentration can have a significant impact on the properties and performance of the resulting product. Common solvents used in cutback bitumen include kerosene, gasoline, diesel, and various oils. The concentration of solvent in cutback bitumen is typically expressed as the percentage of solvent by weight.
3. Viscosity : The viscosity of cutback bitumen is an important property that affects its handling and application. It is often measured using a viscometer and can be affected by the type and concentration of solvent used.
4. Flash Point : The flash point of cutback bitumen is the temperature at which it will produce sufficient vapor to ignite when exposed to an open flame. This property is important for safety considerations and can be determined using a flash point tester.
5. Distillation Characteristics : The distillation characteristics of Base Solvent Bitumen refer to the temperature at which various fractions of the bitumen are distilled off. This property is typically determined using a distillation apparatus, and the results can provide information about the composition and volatility of the bitumen.
6. Penetration : The penetration value of Base Solvent Bitumen refers to the depth in millimeters that a standard needle penetrates the bitumen sample under specific conditions. This property is often used to characterize the hardness or softness of the bitumen and can be affected by the type and concentration of solvent used.
7. Ductility : The ductility of cutback bitumen refers to its ability to stretch without breaking. It is typically measured by elongating a thin film of bitumen at a specific temperature and rate, and the results can provide information about the flexibility and durability of the bitumen.

Different Types of  Base Solvent Bitumen Packaging

This cutback bitumen bulk in the tanker and also in new steel and thick drum on the pallet to prevent all leak inside of the container.

Another types of packing are as below:

• Bulk as IBC Tank, Flexi Tank, Loading 20 Ton in 20ft Container
• Reconditioned steel drums 203 lit., Net Weight: 185 ± 5 Kg, Loading 16Ton in 20ft Container
• New steel drums 203 lit., Net Weight: 185 ± 5 Kg, Loading 16Ton in 20ft Container