CMCRAChemically Modified Crumb Rubber Asphalt (US DOT)
CMCRAChicken Mucin-Cross-Reactive Antigen
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Unlike conventional polymer-modified asphalt, CMCRA enhanced the interaction of polymer functional groups within polymer-modified asphalt system, containing both normal and low asphaltene contents.
The improvement in low-temperature utility makes CMCRA more competitive from both a practical and economic standpoint.
Although production of CMCRA is approximately 60 percent more expensive than conventional crumb rubber asphalt, the additional costs are offset by longer pavement life.