More WMA Technologies Approved!

As of the January 9, 2013 update, Caltrans has pre-approved 9 warm mix technologies for the contractor option specification.  The contractor option specification for Warm Mix Asphalt allows the contractor to use warm mix as opposed to hot mix with no additional charge to Caltrans.  As a contractor you can use any of the technologies on the approved technologies with little to no additional work on your part.  You may also be able to use a technology not already pre-approved as long as you follow the approval process for new warm mix technologies found here.

The list of pre-approved technologies can be found here and has the following technologies as of 1/9/13.

Additive Technologies

• Advera by PQ Corporation
• Rediset WMX / Rediset LQ by AkzoNobel Surface Chemistry LLC
• Evotherm DAT / Evotherm 3G by MeadWestVaco
• Sasobit by Sasol Wax North America
• SonneWarmix by Sonneborn, Inc.
• Cecabase RT by Arkema, Inc.

Water Injection Technologies

• Astec Double Barrel Green by Astec Inc.
• Gencor Ultrafoam GX2 by Gencor Industries
• MAXAM AQUABlack System by MAXAM Equipment

You can find more information on each of the technologies by clicking on its name above.  Good luck!