A fluid or semifluid additive composition useful for asphalt paving consists essentially of between about 10% and about 50% crumb rubber, about 10% and about 50% petroleum hydrocarbon having at least 55% aromatics, between about 10% and about 50% surface active clay, and water, by weight.

Un liquido o una composizione cumulativa semifluida utile per la pavimentazione dell'asfalto รจ costituito essenzialmente fra da circa 10% e gomma della briciola di circa 50%, idrocarburo del petrolio 50% di circa e di circa 10% mangianti almeno le piante aromatiche di 55%, fra circa 10% ed argilla tensioattiva di circa 50% ed acqua, di peso.

 
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