Manufacture of Cationic Bitumen Emulsion CSS-1 from UAE and Turkey

 

Cationic Asphalt Emulsion CSS-1 Description

Cationic Bitumen Emulsion CSS-1 is a type of bitumen emulsion commonly used in road construction and maintenance. Here’s a general description:

• Composition: Cationic Bitumen Emulsion CSS-1 stands for Cationic Slow Setting grade 1. It’s a stable suspension of bitumen droplets in water, stabilized with a cationic emulsifier.
• Viscosity: It has a relatively low viscosity compared to other bitumen emulsions, which allows it to penetrate deeply into the surface of aggregates and adhere well to various road surfaces.
• Setting Time: As a slow-setting emulsion, Cationic Bitumen Emulsion CSS-1 takes time to break and cure. This slow setting allows for better workability and ensures adequate bonding with the road surface.
• Application: Cationic Bitumen Emulsion CSS-1 is typically used for chip sealing, tack coating, prime coating, and fog sealing in road construction and maintenance projects. It helps to improve the adhesion between asphalt layers and aggregates, enhances the waterproofing properties of road surfaces, and prolongs the lifespan of pavement.
• Advantages: Cationic Bitumen Emulsion CSS-1 offers several advantages, including ease of application, improved aggregate coating, reduced tracking during construction, and enhanced durability of road surfaces.
• Environmental Considerations: Bitumen emulsions like CSS-1 are preferred in certain applications due to their lower environmental impact compared to hot bitumen mixes. They require less energy for heating during application, produce fewer emissions, and offer greater flexibility in cold weather conditions.

Cationic Asphalt Emulsion CSS-1 Applications

Cationic emulsions may be used at ambient temperatures with aggregates, which need not be completely dry. Emulsions are less hazardous to use in comparing with the cutback and can be applied in a wider range of conditions. Most Cationic Bitumen Emulsion CSS-1 applications are listed below:

• Biturubber (Rubber)
• Bitumalch (Malching)
• Prepared cold Mixed Asphalt
• Bituprime (Prime Coat)
• Bitucoat (Fog Seal – Seal Coat)

Successful performance of bitumen emulsions requires selecting the proper type and grade for the intended use. Guidelines presented in this chapter should help select the specific grade and type of emulsion to be used.
The first consideration in picking the right type and grade of the emulsion is how the emulsion will be used. Is it for a planned mix (central or mixed-in-place), a recycled mix, or a prime coat application? Is it for some type of surface application, such as a fog seal, slurry seal, micro surfacing, or chip seal? Is it for a maintenance mix? Once this decision is made, other project variables must then be considered. Some other factors that affect the selection are:

• Climatic conditions anticipated during construction. The choice of emulsion grade, the design of mix or treatment, and the selection of construction equipment should be dictated by the conditions at the time of construction.
• Aggregate type, gradation, and availability.
• Contractor or construction equipment availability.
• Geographical location. The hauling distance and, in some cases, water availability are important considerations.

the hauling distance and, in some cases, water availability are important considerations.
• Traffic control. Can traffic be detoured or only controlled through the work area?
• Environmental considerations.
• Proper application for pavement preservation or pavement distresses.
• Traffic type and volume.

While general guidelines can be given for selecting emulsions, laboratory testing is strongly recommended. There is no substitute for a laboratory evaluation of the emulsion and the aggregate to be used. Different types and quantities of emulsion should be tried with the aggregate to find the best combination for the intended use. An experienced technician can determine the type and grade of the emulsion to be used.
Cationic emulsions are preferred for use with negatively charged siliceous aggregates such as quartz, granite, sandstone and river gravel. In general, Cationic emulsions can be used with a wider range of aggregates, will tolerate greater quantities of moisture, and will break at a lower ambient temperature. The main application areas of Emulsion bitumen are surface dressing, tack coats, prime coat, slurry seal, and cold mixing.

Dust control (SS-1, CS-1, CRS-1)
Tack coat (SS-1, SS-1h, CSS-1, CSS-1h, CRS-1)
Prime coat (SS-1, SS-1h, CSS-1, CSS-1h)
Fog seal (SS-1, CSS-1, MS-1-CMS-2, CRS-1)
Penetration prime (SS-1)
Cold mix asphalt, Mulching, Asphalt Sealers (CSS-1)
Chip seal, single, or multiple treatments (RS-1, RS-2, HFMS-1, HFMS-2, HFRS-2, CRS-2, and CRS-2P)
Sand seal (SS-1, SS-1h, CSS-1, CSS-1h, CMS-2s, CRS-1, CRS-2)
Slurry seal (SS-1h, CSS-1h, CSS-1Hp)
Sandwich seal, cape seal, chip seal (CR-2)
Micro surfacing (CQS-1h)
Structural and surface plant mixture (SS-1, SS-1h, HFMS-2s, CSS-1, CSS-1h,)
Stockpiled patching mixture (HFMS-2s, CMS-2s)
In-place road mixing (SS-1, SS-1h, HFMS-2s, HFMS-2, HFMS-2h CMS-2, CMS-2h, CSS-1, CSS-1h)
Crack filler, joint coating (RS-2, HFMS-2h, MS-2, CMS-2h, CRS-2P)
Asphalt sealers, Immediate Maintenance, Stockpile Maintenance Mixes (CMS-2)
Immediate Maintenance (CM2, CM2h)

Packing of Asphalt Emulsion CSS-1

1. Bulk as IBC Tank, FlexiTank
2. Reconditioned steel drums 220 lit., Net Weight: 200 ± 3 Kg
3. New steel drums 220 lit., Net Weight: 200 ± 3 Kg

CSS-1 Advantages

Bitumen Emulsion CSS-1 offers several advantages in road construction and maintenance:

• Excellent Adhesion: CSS-1 provides strong adhesion to various surfaces, including existing asphalt, aggregates, and base materials, ensuring reliable bonding between pavement layers.
• Enhanced Aggregate Retention: It helps to retain aggregate chips in chip sealing operations, preventing premature loss and improving the effectiveness of the seal coat.
• Flexibility in Cold Weather: Cationic Bitumen Emulsion CSS-1 remains flexible at low temperatures, reducing the risk of cracking and rutting in cold climates. This flexibility ensures the longevity and durability of road surfaces in challenging weather conditions.
• Reduced Tracking: During application, Cationic Bitumen Emulsion CSS-1 exhibits minimal tracking, which helps to minimize disruption to traffic and surrounding areas, leading to faster and more efficient construction processes.
• Resistance to Traffic Abrasion: CSS-1 provides a durable surface that withstands the abrasion and wear caused by traffic, resulting in longer-lasting roadways and reduced maintenance requirements.
• Cost-Effectiveness: CSS-1 offers a cost-effective solution for road maintenance and rehabilitation projects, providing long-term performance and extending the service life of pavement infrastructure.
• Environmental Benefits: Bitumen emulsions like CSS-1 have lower environmental impact compared to hot bitumen mixes. They require less energy for heating during application, produce fewer emissions, and offer greater flexibility in cold weather conditions.

Specification of Bitumen Emulsion CSS-1

Emulsion Type: Slow-Setting
Grade: CSS-1
Standard: ASTM D 2397M – 13

T.D.S of Anionic Bitumen Emulsion CSS-1