Modified Asphalt foam (BITAFLEX AME) for recycling cold spot | New product

Modified Asphalt foam (BITAFLEX AME) for recycling cold spot | New product

SPECIAL BITAFAL ASFALTOS It has recently added to its product line Asphalt Modified Foam (BITAFLEX AME) Seeking to improve and standardize the quality of asphalt used in cold recycling technology in situ and also to use it in cold weather increasing work performance.

These properties are verified by foaming curves, which consist of measuring the maximum occupied by the asphaltic foam volume and time required for that volume is reduced to half. These curves characteristic parameters expansion and half-life are obtained.

In the graphs below a comparative behavior expansion and half-life shown 160C for national versus AC 20 bit FLEX AME.

AME BITAFLEX components provide a better quality foam specific surface area and duration, with a half life time expansion and more than double than conventional asphalt refinery. They ensure a decrease in surface tension with the consequent reduction in viscosity at the time of foaming.

These factors allow provide the following advantages:
* A better dispersion of the foam on aggregates favoring adhesion of the binder with the stone.
* Lower foaming temperature, saving on heating and facilitating logistics work.
* The possibility of recycling in cold weather.
* Improved mechanical properties of the processed mixtures.

We invite you to learn more about this product on our website.

Foam Asphalt Laboratory | Technology in the CITEVI

Foam Asphalt Laboratory | Technology in the CITEVI

Accompanying the development of new technologies of cold recycling in situ foamed bitumen, the sion It has incorporated specific equipment for the design of new foam asphalts and evaluation of the characteristics of the processed mixtures.
They have incorporated a device for foaming asphalt, the Wirtgen WLB 10 S and mixer blades attachable to the equipment for preparing foamed bitumen mixtures The Wirtgen WLM 30. Furthermore stoves have been incorporated and accessories press multifunction account Center to carry out the relevant tests.
In recent months the company CVC has worked in the CITEVI in the design and evaluation of foam bitumen stabilized materials (BSM) and subsequently evaluating the path made of Route 36.

He sion is a research center open to the national road middle and invite interested parties to make us your inquiries.

Cold Recycling Wirtgen Group Seminar | December 2015 - Sao Paulo, Brazil.

Cold Recycling Wirtgen Group Seminar | December 2015 - Sao Paulo, Brazil.

It was held in Sao Paulo, Brazil, last December, a technical seminar organized by cold recycling Wirtgen Group.Uruguayans participated more than 15 technicians of various construction companies, MTOP, of Tradinter and Bitafal group. There were also delegations from various countries in South America, reaching about 200 participants.


Los temas tratados en el seminario fueron sobre la tecnología de reciclado en frío y de la estabilización con asfalto espumado específicamente. Se realizaron charlas técnicas sobre las propiedades y comportamiento de materiales estabilizados con asfalto espumado (BSM – Bitumen Stabilized Material) y un taller sobre asfalto espumado y materiales BSM en el impresionante laboratorio central de la concesionaria CCR Nova Dutra.

Asphalt arena (1)

Esta tecnología es ideal para tramos exigidos como el existente entre San Pablo y Guarulhos que cuenta con más de 200.000 vehículos por día (la mayoría de ellos camiones y ómnibus) tanto por la resistencia del BSM como por la velocidad de ejecución, que se realiza en unas cinco horas únicamente durante la noche. Por otra partes es una tecnología económica y sustentable ya que utiliza el material de base y asfalto existente, 1% del cemento y un 2% de asfalto espumado solamente.

A very interesting experience thus acquired knowledge, as both made the links between the Uruguayan delegation, as with other delegations present. It is very important that all couples involved in the development of technology in the country have participated, showing interest and commitment to these first test sections in Uruguay are successful.


Wirtgen Group shared presentation




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