In the case of anionic emulsions, the chemical charge is negative. Transportation research circular ec102 issn 00978515 the transportation research board is a division of the national research council, which serves as an independent adviser to the federal government on scientific and technical questions of national importance. Leotak is a cold applied rapidacting 40% cationic bitumen emulsion. K140 % emulsion 25kg k140 % emulsion 200kg k160 is a conventional grade cationic bitumen emulsion which complies with grade k160 of bs 4341 and grade c60b4 of bs en 808. At jobling purser we have been manufacturing bitumen emulsions since the 1920s. Grade cationic bitumen emulsion which complies with grade k140 of bs 4341 and grade c40b4 of bs en 808. When cured leotak forms a thin but uniform film of bitumen on the road surface which. Bitumen emulsion k140 rs0k is also used for fog sealing, mist. Bitumen emulsion k140, bitumen emulsion k140 suppliers and. Emulsion bulk emulsion packed 1 the above prices are in rs. A stable dispersion of bitumen in water in continuous phase. It is a well known fact that asphalt and water will not mix, except under carefully controlled conditions using highly specialized equipment and chemical additives.
The results showed that the asphalt emulsion delayed the early hydration of the cement and the asphalt membrane had a negative effect on the further hydration of the cement, to some extent. The ltpp has given certain algorithm to calculate the temperature of the pavement based on the temperature of the air above. Therefore k140 denotes rapid break, cationic emulsion with 40% normal bitumen content. Annex of this standard residue on 600 micron is sieve, percent by mass, max 0. Bitumen emulsion is a mixture of fine droplets of bitumen and water. A wide variety of bitumen emulsion k140 options are available to you. Relevant identified uses of the substance of mixture and uses advised against identified uses surface dressing tack coat. Since the products described herein are being continuously improved, the specified properties may vary as improvements are made to production processes and product quality. Leotak rapid bitumen emulsion cold applied bitumen emulsion. Adocoat k140 is primarily used as a tack coat, to provide a bond between the existing surface. Uses advised against no specific uses advised against are identified. Never add the asphalt emulsion to a tank of water when diluting.
Tack coat k140 cationic bitumen emulsion is an emulsified asphalt containing 40% bitumen and 60% water. Description performance grade pg bitumen is bitumen which is graded based on its performance at different temperatures. Colas leotak rapid bitumen emulsion adheres exceptionally well, even in damp conditions. Bitumen emulsion catonic type second revision is 8887. Bitumen emulsion k140, tack coat k140 cationic bitumen emulsion rapid setting road emulsion is an emulsified asphalt containing. K140 cationic bitumen emulsion is made according to malaysian standard ms 1. Polymer modified bitumen emulsions pmbes are a special class of bituminous emulsions. It has been designed as a tack coat for bitumen based surfacing products. Feb, 2018 bitumen is the heavy fractions that remain after crude oil has been distilled to remove lighter fractions such as gasoline and diesel fuel. Bitumen emulsion k160 containing 57% bitumen, is commonly used for tackcoating. Do if possible, use warm water for dilution and always add the water slowly to the emulsion not the emulsion to the water. It is a mixture of bitumen asphalt, water and emulsifying agent, dispersed in tiny particles in.
Hey wait, we know that bitumen is a oil product and it cannot be mixed with water. Grade cationic bitumen emulsion which complies with. Simply surfacing colas leotak k140 emulsion 200 litre. Is to be used as a bond between different asphalt layers. A surface dressing with bitumen emulsion is a rapid and economical solution for the renovation of the existing pavements. Bitumen emulsion k160 buy cationic bitumen emulsion,bitumen.
K140 best asphalt manufacturers and asphalt suppliers. Benzene international is singapore based bitumen manufacturer and exporter of all types cutback bitumen, medium and rapid curing cutbacks, liquid bitumen, bitumen asphalt of various grades of medium curing bitumen mc30, mc70, mc3000, rapid curing rc 70, rc250 and oxidizing bitumen r11515 and bitumen emulsions. It is possible to crack the heavy bitumen into lighter fractions but there is a market for bitumen for pa. It has been designed as a bond coat for bitumen based surfacing products and as a cold applied surface dressing emulsion. K140 is a rapid setting cationic bitumen emulsion complying with bs en. The use of these modified emulsions has become the norm in many countries. K140 is primarily used as a tack coat, to provide a bond between the existing surface and overlays e. Our product range today is extensive and covers all areas of highway maintenance. There are three major classifications of emulsion grades. Primer emulsion to the best of our knowledge the information contained in this document is correct. Cromar k140 cationic bitumen emulsion 25l roofinglines. They tend to lose viscosity when subjected to excessive pumping.
Tack coat k140 cationic bitumen emulsion is an emulsified asphalt containing minimum 40% bitumen and 60% water. Pdf overview on cold cement bitumen emulsion asphalt. Pdf polymer modified bitumen emulsions pmbes are a special class of bituminous emulsions. Graveemulsion for pavement resurfacing and reinforcement graveemulsion. Bitumen emulsion k140 rs0k containing 40% bitumen, is commonly used for tackcoating. Cationic bitumen emulsions consist of specified quantities of bitumen emulsified in water. Its qualities also make it very environmentallyfriendly. But as the bitumen is a petroleum product it doesnt mix with water and as it is sticky in nature, it doesnt easily gets disintegrated into fine droplets. That is why we add an emulsifier a surface active agent with water before adding bitumen. K140 bitumen emulsion rapid setting emulsion to provide an adhesive bond between existing surfaces and bituminous overlay. Credit alan james, akzo nobel overview of asphalt emulsion.
Understanding and using asphalt emulsion emulsion 101 by jack dougherty rocky mountain west pavement preservation peppermill, reno 1052011 a subsidiary of a l o n u s a. Bitumen emulsion is bitumen and water emulsified together to create waterproofing and roading binders that are environmentally friendly. When cured leotak forms a thin but uniform film of bitumen on the road surface which gives an adhesive bond between a bituminous overlay and an existing surface. Product name bitumen emulsion k140 product inclusion this document covers bitumen emulsion k140 only. Bitumen emulsion k160 is also used for fog sealing, mist spraying, concrete curing, grouting, sealing, patching, formation and subbase and surface dressing. Do not recirculate emulsified asphalts for too many cycles. The amounts of additional ingredients, which are required to emulsify the bitumen, do not present any hazard at the concentrations used. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. Tack coat k140 cationic bitumen emulsion is made according to malaysian standard ms 1. Uses bond it rubber bitumen emulsion provides a highly effective coldapplied, dampproof membrane in sandwich constructions and can also be used as a waterproofer for floors, walls and other above ground structures. In the batch plant the emulsion production itself involves only a few material flows, which allows manual.
Bitumen emulsion is made up of three basic ingredients which include bitumen, an emulsifying agent and water. We manufacture a wide range of british standard emulsions for use in tack and bond coating, velocity patching, surface. It is a low viscosity emulsion used mainly for tack coating. This is applied to an underlying surface to aid with the adhesion of the following asphalt layer. Tack coat emulsion general k140 is a conventional grade cationic bitumen emulsion which complies with grade k140 of. Express asphalt tools and equipment aggregate industries.
Performance grade pg bitumen benzene international. Do avoid repeated pumping and recycling, if possible, as the viscosity may drop and air may become entrained, causing the emulsion to be unstable. Emulsion manual, manual series ms19 3rd edition 1997, published by. The 1 signifies a rapid breaking type of emulsion, while the number to the right of the hyphen indicates the bitumen content. Bitumen emulsion types, uses, advantages and manufacture. About 2% of these are bitumen, 1% are building coating. The amounts of additional ingredients, which are required to emulsify the. K140 and k160 are cold applied, liquid bitumen emulsions, used in the construction and repair of pavements, driveways, roads and highways. The chemical type and quantity of surfaceactive agent used in the manufacturing process governs the process in which the resulting asphalt emulsion can be used. It is a mixture of bitumen asphalt, water and emulsifying agent, dispersed in tiny particles in an aqueous medium. K140k160 cationic bitumen emulsion issue 4 november 2008 description. Bitumen emulsion is an important building material, especially in highway pavement construction.
Colas operate throughout the uk manufacturing and supplying an extensive range of products to bitumen and emulsion markets from strategically located depots. What is the difference between cutback, bitumen and emulsion. Bitumen emulsion k160 buy bitumen emulsion k160,tackcoat. Oct 25, 2014 bitumen emulsion is a 2phase system consisting of bitumen water other additives the bitumen is dispersed throughout the water phase in form of discrete globules, held in suspension by electrostatic charges stabilized by emulsifier the emulsion contains 4075% of bitumen. Also, air bubbles may become entrained which would render the emulsion unstable. Quick setting k140 will speed up the operation and give exceptional adherence even in damp conditions. With over 90 years of experience, we are able to draw on a vast level of expertise and knowledge which is complemented by a strong focus on research and development. Addition of emulsifier with water facilitates breaking of bitumen into minute particles and keeps it dispersed in suspension. C40b5 is manufactured by adomast manufacturing within management systems accredited to bs en iso 9001. Asphalt emulsion basics national pavement preservation conference nashville, tn aug 29, 2012. K140 is cold applied and when laid it gives an adhesive bond between an existing surface and any bituminous overlay. Tack coat emulsion general k140 is a conventional grade cationic bitumen emulsion which complies with grade k140 of bs 4341 and grade c40b4 of bs en 808.
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