California DOT Specification- Asphalt Rubber Binder

Use asphalt rubber binder in RHMA-G, RHMA-O, and RHMA-O-HB. Asphalt rubber binder must be a combination of:

  1. Asphalt binder
  2. Asphalt modifier

3. CRM

The combined asphalt binder and asphalt modifier must be 80.0 ± 2.0 percent by weight of asphalt rubber binder.