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From the 16 th to the 21th of April, LEA- CO International will be attending to the international Intermat exhibition Hall 4 aisle H booth 018

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ZI de la Butte
17 rue Gutenberg
91 620 NOZAY

Tel. : 01 69 63 28 40
Fax : 01 69 63 90 52


Description of process sequencing LEA®1

To allow manufacture in accordance with the LEA® process at all production plants we were led to differentiate the LEA® process according to the type of plant and the wishes of licencees in the choice of their investments.


Description of process sequencing LEA®1

Phase 1 The coarses aggregates and if necessary part of dust  are heated

Phase 2 The preceding fraction is coated with the amount of the bitumen required to coat the entire mix formula

Phase 3 Wet sand or/and RAPat ambient temperature is incorporated in the mixer

Phase 4 The entire mix is mixed for final coating.

Phase 5 The temperature at mixer discharge about 95°/98°

Water content of the mix is around 0.5%.



Incorporation of asphalt aggregates (RAP) heated to around 80°C or ambient temperature depending on quantity added