THE PRODUCER OF ANIONIC BITUMEN EMULSION MS-2

Bitumen Emulsion MS-2

ANIONIC BITUMEN EMULSION MS-2

Anionic Bitumen Emulsion MS-2 is a water-based emulsified asphalt with an anionic nature. It possesses a moderate viscosity and setting time, with a minimum bitumen content of 60%. These characteristics make it an excellent choice for premixing applications. The emulsion exhibits a rich chocolate brown color and remains in a free-flowing liquid state at ambient temperature. Asphalt emulsions are categorized based on the electric charge enveloping the asphalt particles within the emulsion (either cationic or anionic) and the speed at which the suspended asphalt particles separate from the surrounding water (referred to as “breaking”). A slow-setting emulsion is specifically formulated to optimize the duration of mixing with aggregates. Extended workability times guarantee a uniform coating on dense-graded aggregates that contain a significant fines content. The setting speed of any emulsion is influenced by the atmospheric conditions present during construction.

APPLICATION OF ANIONIC BITUMEN EMULSION MS-2

Emulsifiers, which are chemical surface-active agents, are classified based on the electrochemical charge they acquire when they dissociate in a water solution. Anionic emulsions, in particular, carry a negative charge. The selection and quantity of surface-active agents utilized during the manufacturing process determine the applications for which the resulting asphalt emulsion is suitable.

RECOMMENDED USE OF MS-2

RAHA OIL Bitumen Emulsion MS-2 is particularly well-suited for the following applications:

1. Pothole repair and patchwork.
2. 20mm pre-mix carpet installation.

Bitumen MS-2, also known as Medium Setting (MS) Bitumen, is a type of bitumen that is designed for specific road construction applications. The recommended use of Bitumen MS-2 includes:

1. Surface Dressing: Bitumen MS-2 is commonly used in surface dressing applications. Surface dressing involves the application of bitumen and aggregate to the existing road surface to improve its durability, skid resistance, and waterproofing.
2. Prime Coat: It is suitable for use as a prime coat, applied to the prepared base course before laying the asphalt layers. The prime coat enhances the bond between the base course and the overlying asphalt layers.
3. Tack Coat: Bitumen MS-2 is often used as a tack coat, applied between asphalt layers to promote adhesion. Tack coats help prevent delamination and improve the overall structural integrity of the pavement.
4. Patch Repair: It can be used for patch repair work on roads and highways. Patch repair involves the removal of damaged or deteriorated sections of the road and the replacement with new bituminous material.
5. Crack Sealing: Bitumen MS-2 can be used for crack sealing applications. Crack sealing involves filling or sealing cracks in the pavement to prevent water infiltration and further deterioration.
6. Pothole Repair: It is suitable for the repair of potholes in road surfaces. Pothole repair involves cleaning the damaged area, applying bitumen, and filling with suitable aggregate.
7. Small-Scale Road Construction: Bitumen MS-2 is used in small-scale road construction projects where medium setting properties are beneficial for efficient construction processes.
8. Maintenance Projects: It is commonly employed in maintenance projects for road rejuvenation, ensuring the longevity and performance of existing road infrastructure.

Bitumen MS-2 exhibits medium setting characteristics, providing a balance between setting time and workability. The specific application and recommended use may vary based on regional specifications, climate conditions, and project requirements. It’s important to follow industry standards and guidelines for the proper use of Bitumen MS-2 in road construction applications.

RECOMMENDATION OF BITUMEN EMULSION MS-2 FOR COLD MIX TREATMENT

Bitumen Emulsion MS-2 is highly recommended for cold mix treatments. Traditionally, the construction of pavements involves heating aggregates and bitumen to a temperature of 150°C. It is crucial to maintain the specified temperatures during mix production, laying, and compaction to ensure optimal durability of the pavements. However, maintaining these temperature requirements poses significant challenges in various scenarios:

1. High rainfall areas experience intermittent rain throughout the year, affecting the production and laying of mixes.
2. High-altitude or snow-bound areas face the issue of rapid solidification of the mix.
3. Winter conditions present additional difficulties.
4. Long transit distances between the hot mix plant and the project site.
5. Delays in laying the mix.

These challenges have resulted in the widespread usage of cold mix technology. Cold mix allows for pavement construction in all seasons, even with wet aggregates. It consists of specially designed Cationic Bitumen Emulsions and aggregates. Cold mixes can be produced using various equipment, either on-site with in-place pulverizers, mixer/pavers, or at central plants. Blade- and paver-laid mixes are commonly employed. The mixing and laydown equipment for cold mix production is essentially the same as that used for hot mix production.

COLD MIX TECHNOLOGY OFFERS SEVERAL ADVANTAGES WHEN USED AS A PAVING MIX:

1. Eliminates the need for heating aggregates and binder, resulting in energy savings and overall reduced costs compared to typical hot mix.
2. Environmentally friendly and energy-conserving.
3. Easily prepared using small setups on-site.
4. Particularly suitable for constructing roads in remote and isolated areas where plant-produced hot mix may solidify before reaching the site.
5. Can be laid during wet or humid conditions.

These advantages make cold mix an attractive choice for flexible pavement construction in a variety of challenging environments.

APPLICATION RATE

For the preparation of mix, the typical rate of application for RAHA OIL Bitumen Emulsion MS-2 is 7% by weight of aggregates. The application rate of Bitumen MS-2, also known as Medium Setting (MS) Bitumen, can vary based on several factors, including the specific construction project, climate conditions, and the type of surface being treated. The application rate is typically expressed in terms of the amount of bitumen applied per unit area.

HERE ARE SOME GENERAL GUIDELINES FOE THE APPLICATION RATE OF BITUMEN MS-2 IN COMMON ROAD CONSTRUCTION APPLICATION:

1. Surface Dressing: The application rate for surface dressing with Bitumen MS-2 can vary but is typically in the range of 0.8 to 1.2 liters per square meter (L/m²). The specific rate may depend on factors such as aggregate size, surface condition, and project specifications.
2. Prime Coat: For use as a prime coat, the application rate is commonly in the range of 0.6 to 1.0 liters per square meter. The prime coat is applied to the prepared base course before laying the asphalt layers.
3. Tack Coat: As a tack coat between asphalt layers, the application rate is typically in the range of 0.2 to 0.6 liters per square meter. The tack coat enhances adhesion between layers.
4. Patch Repair: The application rate for patch repair work can vary based on the size and depth of the repair. It is typically determined based on achieving adequate coverage and bonding.
5. Crack Sealing: The application rate for crack sealing is influenced by the width and depth of the cracks. It is essential to ensure proper coverage of the cracked surface.
6. Pothole Repair: The application rate for pothole repair depends on the size and depth of the pothole. It is typically applied to the cleaned and prepared pothole surface.
7. Small-Scale Construction: In small-scale road construction projects, the application rate may vary based on project requirements and specifications.

It’s crucial to consult project specifications, local guidelines, and industry standards to determine the appropriate application rate for Bitumen MS-2 in specific construction applications. Additionally, the equipment used for application, weather conditions, and surface preparation practices can impact the effective application of bitumen.

STORAGE AND HANDLING OF MS-2

TO ENSURE OPTIMAL STORAGE AND HANDLING OF MS-2, PLEASE FOLLOW THE GUIDELINES BELOW:

1. Storage: Store MS-2 in bulk tanks, preferably in a vertical position to minimize surface area.
2. Temperature: Avoid exposing MS-2 to freezing or boiling temperatures, as it can cause the emulsion to break. Safe storage temperatures range from 10°C (50°F) to 85°C (185°F).
3. Bulk Storage: It is recommended to mix the MS-2 every 1 to 2 weeks, especially in colder weather conditions. Mixing can be done using a paddle agitator (slow), loose gear pump, slow centrifugal pump, or another suitable low shear pump.
4. Agitation: Do not introduce air bubbles into MS-2 to agitate it, as this can create excessive foam and lead to emulsion breakage.
5. Storage Containers: Always use clean storage containers for MS-2. Ensure that the previous contents of the containers are compatible with MS-2 to prevent emulsion breakage.
6. Sampling: Only use approved and sealed containers for sampling the emulsion.

By following these guidelines, you can maintain the quality and integrity of MS-2 during storage and handling, ensuring optimal performance when used in applications.

ADVANTAGES OF ANIONIC EMULSION MS-2

• No heating required, saving energy and reducing costs.
• Cost-efficient option for surface repair.
• Provides easy and uniform spray application.
• Exhibits low-temperature curing capabilities.
• Requires minimal preparation time for surface repair.
• Offers a medium setting time for efficient application.
• Demonstrates high adhesive properties, ensuring strong bonding.
• Provides stable patching results.
• Resistant to water stripping, enhancing durability.
• Environmentally friendly formulation.
• Bonds well with cool and damp surfaces.

PACKING OF ASPHALT EMULSION MS-2

RAHA OIL offers Asphalt Emulsion MS-2 in the following packaging options:

• Bulk packaging available in IBC Tanks and Flexi Tanks.
• Reconditioned steel drums with a capacity of 220 liters, net weight: 200 ± 3 Kg.
• New steel drums with a capacity of 220 liters, net weight: 200 ± 3 Kg.
• HDPE drums with a capacity of 220 liters, net weight: 200 ± 3 Kg.

These packaging options provide convenience and flexibility for various application requirements.

PRODUCT SUPPORT

With the RAHA OIL Advantage, you gain a trusted partner and advisor who will collaborate with you on designs, specifications, technical services, processes, and material selection. We strive to develop innovative and custom-designed products that offer exceptional advantages, including optimal performance in unique conditions, enhanced field performance, and notable environmental and health benefits. By leveraging the RAHA Advantage, you can achieve significant long-term cost savings, ultimately reducing the total cost of ownership. Every batch of MS-2 is meticulously produced in accordance with rigorous quality, safety, and environmental guidelines. We conduct thorough testing on each production lot to ensure it not only meets but surpasses all performance requirements. As a testament to our commitment to excellence, each batch is delivered to you with a comprehensive Certificate of Analysis.

TECHNICAL DATA SHEET OF ANIONIC EMULSION MS-2

Emulsion Type: Medium-Setting
Grade: MS-2

PROPERTIES	MIN	MAX	TEST METHOD
Saybolt fural Viscosity@ 50 °C (s)	20	100	ASTM D244
Storage stability, 24h (%)	----	1	ASTM D6930
Particle charge test	Minus		ASTM D244
Sieve (%)	----	0.1	ASTM D6933
Residue by distillation (%)	60	----	ASTM-D244
Penetration 25°C,100g, 5sec	100	200	ASTM D5
Solubility in trichloroethylene %	97.5	----	ASTM D2042
Residue ductility, 25°C, 5cm/min (cm)	40	----	ASTM D113