Emergeco is Durban-based company (Kwa Zulu Natal, South Africa) with a phone number 27828851300 and categorized under Civil engineering. Our data show that the company is located at the address: 300 Voortrekker Street. The company has a web site: www.bitumensupplies.co.za. Cut Back Bitumens. Bitumen is ‘cutback’ by adding controlled amounts of petroleum distillates such as kerosene. This is done to reduce the viscosity of the bitumen temporarily so it can penetrate pavements more effectively or to allow spraying at temperatures that are too cold for successful sprayed sealing with neat bitumen. The materials used to cutback bitumen will evaporate after application to leave the remaining material similar in hardness to the original bitumen. . Emulsions. Estimated presently at 20% of the global bitumen use, bitumen emulsions are basically an O/W – Oil on Water solution – A dispersion of bitumen particles on water, stabilized with the addiction of surfactants – Surface active agents – or most commonly known as emulsifiers, that will permit the bitumen to de diluted in water. They are primarily used for tack coats for use in between hot mix asphalt layers and prime coats for thin hot mix surfacing layers or a chip seal pavements. Bitumen emulsions are divided into three categories: Anionic with negatively charged globules Cationic with positively charged globules Non to ionic with neutral globules.. .
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