Bitumen emulsions are usually dispersions of minute droplets of bitumen in water and are examples of oil-in-water emulsions.
The bitumen content can be varied to suit different requirements and is typically between 30% and 70%. The primary objective of emulsifying bitumen is to obtain a product that can be used without the heating normally required when using cutbacks and paving grade bitumen.
In the manufacture of bitumen emulsions, hot bitumen is sheared rapidly in water containing an emulsifying chemical (emulsifier). This produces very small particles of bitumen (the dispersed phase) dispersed in water (the continuous phase). The bitumen particles are stabilized in suspension and do not readily coalesce due to the presence of the emulsifier, which is concentrated on the surface of the bitumen particles.
During application, the water in a bitumen emulsion is either lost by evaporation, or it may separate from the bitumen because of the chemical nature of the surface to which the emulsion is applied. This process is referred to as breaking. Because bitumen has a density only slightly higher than water, sedimentation of the bitumen droplets in an emulsion during storage is very slow. Emulsions can usually be regenerated after long storage times by gentle stirring to re-disperse the bitumen droplets.
Bitumen emulsions are usually dispersions of minute droplets of bitumen in water and are examples of oil-in-water emulsions.
The bitumen content can be varied to suit different requirements and is typically between 30% and 70%. The primary objective of emulsifying bitumen is to obtain a product that can be used without the heating normally required when using cutbacks and paving grade bitumen.
In the manufacture of bitumen emulsions, hot bitumen is sheared rapidly in water containing an emulsifying chemical (emulsifier). This produces very small particles of bitumen (the dispersed phase) dispersed in water (the continuous phase). The bitumen particles are stabilized in suspension and do not readily coalesce due to the presence of the emulsifier, which is concentrated on the surface of the bitumen particles.
During application, the water in a bitumen emulsion is either lost by evaporation, or it may separate from the bitumen because of the chemical nature of the surface to which the emulsion is applied. This process is referred to as breaking. Because bitumen has a density only slightly higher than water, sedimentation of the bitumen droplets in an emulsion during storage is very slow. Emulsions can usually be regenerated after long storage times by gentle stirring to re-disperse the bitumen droplets.
Bitumen emulsion is a mixture of fine droplets of bitumen and water. But as the bitumen is a petroleum product it doesn’t mix with water and as it is sticky in nature, it doesn’t easily gets disintegrated into fine droplets. To overcome this problem an emulsifier is used. Emulsifier can be defined as a surface-active agent. Emulsifier keeps the bitumen in its fine droplet state by disallowing it to mix with other droplets. As the droplets are very fine they suspend in water.
Therefore, bitumen emulsion is a dispersed liquid consisting of three products, i.e. water, bitumen and emulsion.
Bitumen emulsion is a mixture of fine droplets of bitumen and water. But as the bitumen is a petroleum product it doesn’t mix with water and as it is sticky in nature, it doesn’t easily gets disintegrated into fine droplets. To overcome this problem an emulsifier is used. Emulsifier can be defined as a surface-active agent. Emulsifier keeps the bitumen in its fine droplet state by disallowing it to mix with other droplets. As the droplets are very fine they suspend in water.
Uses
Cationic emulsions may be used at ambient temperatures with aggregates, which need not be completely dry. Emulsions are less hazardous to use and can be applied in a wider range of conditions. Advantages
a) Cationic emulsions may be used at ambient temperatures with aggregates, which need not be completely dry.
b) Lower costs are incurred due to a considerable saving on fuel for heating purposes.
c) Operating at lower temperatures for cold mixing gives a greater margin of safety, even though these emulsions may contain fluxing oil.
d) Not only may cold mix be stockpiled for long periods, but it may also be packaged in small containers and stored. This facilitates the treatment of very small areas quickly, cleanly and economically. Disadvantages
A regular water supply is required and this can be a great problem in very hot countries, where water can be in very short supply.
Supplier Of Cationic Bitumen Emulsion K1-70 From Turkey and Dubai-UAE
Application of Bitumen Emulsion K1-70
Asphalt K1-70 has various applications in road construction:
Tack Coat: It can be applied as a tack coat to promote adhesion between layers of asphalt pavement. This helps in bonding the new asphalt layer to the existing pavement surface.
Prime Coat: It can serve as a prime coat, applied to the base course or granular subbase to waterproof the surface and improve the bond between the base and the subsequent asphalt layers.
Surface Treatment: It can be used in surface treatments such as chip seals or slurry seals to provide waterproofing, sealing, and skid resistance to the road surface.
Pothole Repair: It can also be used for patching and repairing potholes, providing a quick and effective solution for pavement maintenance.
Supplier of Cationic Bitumen Emulsion K1-60 from Turkey and Dubai-UAE
Cationic Asphalt Emulsion K1-60 Applications
Cationic Asphalt emulsion K1-60 has various applications in road construction and maintenance, including:
Prime coating: Used to prepare the base surface before laying asphalt or other road materials to enhance bonding and waterproofing.
Tack coating: Applied between layers of asphalt or pavement to improve adhesion and prevent slippage.
Surface dressing: Applied as a thin layer over existing surfaces to seal and protect against water penetration, oxidation, and wear.
Patching and repair: Used to fill cracks, potholes, and other surface imperfections in asphalt and concrete pavements.
Dust suppression: Applied to unpaved roads and surfaces to control dust and stabilize aggregates.
Recommended Rate of Application
Supplier Of Cationic Bitumen Emulsion K1-40 from Turkey and Dubai-UAE
Cationic Bitumen Emulsion K1-40 Applications
Cationic Bitumen Emulsion K1-40 is commonly used in various road construction applications, including:
Chip Seals: Applied as a binder for aggregate chips to create durable wearing surfaces on roads, providing protection against weathering and traffic abrasion.
Tack Coats: Used to promote bonding between pavement layers or between pavement and overlays, enhancing the overall structural integrity of the road.
Prime Coats: Applied to prepare the base course before laying the asphalt layer, promoting adhesion between the base and surface layers and improving waterproofing.
Surface Treatments: Utilized for surface treatments like slurry seals and microsurfacing to rejuvenate and protect existing pavements, enhancing skid resistance and prolonging pavement life.
Pothole Repair: K1-40 can be used for patching and repairing localized areas of distressed pavement, providing a cost-effective solution for maintaining road infrastructure.
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 cutback, and can be applied in a wider range of conditions. Most CSS-1h applications are listed below:
Biturubber (Rubber)
Bitumalch (Malching)
Prepared cold Mixed Asphalt
Bituprime (Prime Coat)
Bitucoat (Fog Seal â?? Seal Coat)
Cationic Bitumen Emulsion CMS-2h
Bitumen Emulsion CMS-2h 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 CMS-2h applications are listed below:
Biturubber (Rubber)
Bitumalch (Malching)
Prepared cold Mixed Asphalt
Bituprime (Prime Coat)
Bitucoat (Fog Seal - Seal Coat)
Anionic Bitumen Emulsion MS-2h Unlocking the Power of in Road Construction from Turkey and Dubai-UAE
Anionic bitumen emulsions MS-2h Applications
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 MS-2 an easy to use and a safe product. MS-2 can be applied by using a painting brush, squeegee, airless spray, and roller.
MS-2h Packing
Packing of anionic bitumen emulsion MS-2h is in the new thick steel drum on the pallet to prevent any leak inside of container also bulk in bitutainer and tanker.
Manufacture of Anionic Bitumen Emulsion SS-1h From Turkey and Dubai-UAE
pplication of Anionic Bitumen Emulsion SS-1h
Anionic Bitumen Emulsion SS-1h, with its slow-setting properties, is widely used in various road construction and maintenance applications. Some common applications include:
Prime Coating: SS-1h is applied as a prime coat to prepare the base surface before paving with asphalt. Its slow-setting nature allows for better penetration and bonding to the base course.
Tack Coat: Used between asphalt layers to promote adhesion and prevent slippage. SS-1h provides a strong bond between the existing pavement and the new layer being applied.
Fog Seal: Applied to aged asphalt surfaces to rejuvenate and protect them from oxidation and moisture intrusion. SS-1h helps to seal small cracks and surface imperfections, extending the life of the pavement.
Dust Control: Sprayed on unpaved roads to minimize dust generation and improve road safety. SS-1h forms a stable surface layer that reduces dust emissions and prevents erosion.
Chip Seals and Micro-surfacing: SS-1h is used as a binder in chip seals and micro-surfacing applications to waterproof and protect road surfaces. Its slow-setting properties ensure proper adhesion and durability of the surface treatment.
Bitumen emulsion consists of three basic ingredients: bitumen, water, and an emulsifying agent. Based on specifications it may contain other additives, such as stabilizers, coating improvers, anti-strips, or break control agents. It is well known that water and asphalt will not mix, except under carefully controlled conditions using highly specialized equipment and chemical additives.
Bitumen emulsions are divided into three categories in terms of setting:
1. Rapid-setting (RS)
2. Medium-setting (MS)
3. Slow-setting (SS)
Novo Proof 100 HB: water proofing based on emulsion bitumen.
Novo Proof 100 HB: is a high performance waterproofing applications over concrete and masonry surfaces.
ADVANTAGES
1.Cold and easy apply.
2.Economy Waterproofing compared with hot type.
3.High water proofing to water, mouser and vapors.
4.High resistance to aggressive salts.
5.Applied on dry and damp surfaces.
6.Good adhesion on the surfaces.
7.Can be applied by brush, roller and trowel on horizontal and vertical surfaces.
8.Not contain solvent so no solvent odor and not need special health precaution during application .
Waterproofing Uses
·Protective for Foundations, Basement walls, internal and external sides Lift pits Podiums, terraces, general external wet areas underground structures Waterproofing system over concrete blocks, brick, masonry, Waterproofing under tiles and pavers in external areas Sandwich sealing between existing and new .
·Anti-rust coating for machines and others steel elements.
·Used as adhesive for plastic sheets
·Used to produce elastic screeds, plastering cement
Physical Properties @25 C°
DISCRETIONS
VALUE
Appearance
Brown/Black liquid
Drying to black film
Density
(1.12 ±0.03) kg / L
Solid content
52 ± 3 %
Drying time
1-2 hrs. (with tacks)
Viscosity
200 -300 gm.
Time Between coats
3 4 hours
Bitumen is a black, semi-solid or liquid substance with high viscosity produced by the non-destructive distillation of crude oil during petroleum refining. The core industry using bitumen is road construction (asphalt) and another significant field is the building industry (roofing membranes, water-proofing felts)
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