Road Surfacing

Bitumen Emulsion (Anionic)

For anionic emulsions, there are several grades of different breaking characteristics. Rapid-setting emulsions are used for surface dressing, while medium or slow-setting emulsions are used for ‘mixtures’, that is mixed with aggregate either in concrete-type mixers or in situ. Rapid-setting emulsions are not used for mixtures because they would tend to set during the mixing process and clog the mixer. Generally, in making mixtures, the finer the aggregate used, the slower setting the emulsion that has to be used. Therefore, stone mixtures require medium-setting emulsions and sand mixtures require a slow-breaking emulsion. With anionic emulsions, the breaking process is predominantly by evaporation of the water in the emulsion continuous phase. Because of this, anionic emulsions are susceptible to temperature and humidity in terms of their breaking properties.

An Anionic bitumen emulsion has a negative charge, most of the things in the world are Anionic and that is why the majority of Research and Development, formulating, and lab testing has been done in the Industrial Coatings Industry to make coatings from Anionic systems. 

 

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  • Overview
  • Product Detail
  • Application

KEY FEATURES

  1. Improved workability: Bitumen emulsion is easier to handle and apply than traditional bitumen, making it more efficient to use. It can be applied at lower temperatures and has a lower viscosity, which reduces the risk of delays in the construction process
  2. Reduced environmental impact: Bitumen emulsion is water-based and emits fewer harmful fumes and gases during the application, making it a more sustainable choice for road construction.
  3. Enhanced performance: Bitumen emulsion is more resistant to water damage and can be applied more easily in colder temperatures, making it a more versatile and reliable material for road construction.
  4. Safer for workers: Bitumen emulsion does not require heating or other high-temperature processes during the application, which reduces the risk of accidents and injuries for workers.
  5. Lower overall cost: Bitumen emulsion is more cost-effective to produce, transport, and apply than traditional bitumen, which can help reduce the overall cost of road construction projects.

ECOLOGY, HEALTH & SAFETY

• Avoid contact with skin / eyes, and avoid swallowing.

• Ensure adequate ventilation and avoid inhalation of vapor.

• Wear suitable protective clothing, gloves and eye protection.

• In case of skin contact, rinse with plenty of clean water, then cleanse with soap and water. Do not use solvent to clean the contacted area.

• In case of eye contact, wash with plenty of clean water and seek medical advice.

• If swallowed, seek medical attention immediately. Do not induce vomiting.

Colour/ Form                   :      Black|Liquid

Packaging / Available sizes : Available in 200Ltr Drum

Applicable Standard            : IS:8887 : 2004

Coverage                             : As Per the Grade

Shelf Life                             : 12 Months from the date of maufacture when maintain in protected storage in original unopened sealed condition at 5-40ºC

Storage Condition               : Store under cover out of direct sunlight and protect from extremes of tempatrature. In tropical climets the product must be stored in an airconditioned enviornment. Failure to comply with the recommended storage condition may result in premature deterioration of the product or packaging. 

 

APPLICATION PROCESS

Anionic Slow Setting Bitumen Emulsion is the cold/non-fiberated liquid applied waterproofing bitumen emulsion. The product is made using a process in which the bitumen, special emulsifier, water and other additive have been gone through a high shear rate colloid mill and the properties of bitumen have the direct effect on the emulsion specification. This product has been specifically developed to provide waterproofing and building application, concrete and metal surface. The high flash point and the low solvent content make RS-1 an easy to use and a safe product. RS-1 can be applied by using a painting brush, squeegee, airless spray, and roller.

Apply the emulsion to the clean surface with a distributor spray or brash. Application temperature should be between 20 to 70 °C. RS 1 grades of emulsions should not be diluted with water. Traffic must be controlled according to a traffic control plan and be kept off the sealed area until the emulsion breaks or until it does not adhere to vehicle tires. More details about applications methods are available upon request. Emulsions can be removed from equipment and tools with water when it is wet. When dry it can be removed by any suitable solvent such as gasoline or kerosene.

Anionic Bitumen Emulsion RS-1 is recommended for Tack Coat treatment and the application rates as per MoRTH are as below:

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APPLICATION NOTES/WARNINGS:

  1. Use of gum boots, gloves, goggles, and nose covers is recommended.
  2. Keep adequate ventilation during application of the mix.
  3. The emulsion barrels should be rolled well on the ground and thereafter the contents must be mixed thoroughly with a rod before drawing the emulsion for use.
  4. The cover should be replaced properly after drawing emulsion from the drum.
  5. Brushes, Sprayers, etc. should be cleaned thoroughly with water before emulsion sets on them.
  6. No brushing over emulsion is to be done after it has turned black.
  7. If it rains before the emulsion has set, spread the aggregate and wait until the surface is dry before rolling and opening to traffic.
  8. On no account should workmen be allowed to walk over uncovered area where Bitumen Emulsion has been applied.
  9. Do not heat and do not use them under frosty weather or in case of heavy downfall.
  10. Do not open to traffic unless emulsion is broken and top surface has turned black.
  11. Never mix two types of emulsion as this will cause coagulation.

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