1. Home
  2. Programs
  3. Engineering Services (DES)
  4. Authorized Materials Lists (AML)
  5. Warm Mix Asphalt Technologies

Warm Mix Asphalt Technologies

Last edit date: 9/8/2021

ADDITIVE TECHNOLOGIES
Product Name Supplier Expiration Date
Evotherm 3G (J1, M1) Ingevity, Incorporated Expired on 9/30/2022
Evotherm DAT Ingevity, Incorporated Expired on 9/30/2022
Evotherm P25 Ingevity, Incorporated Expired on 9/30/2022
Rediset LQ Nouryon Surface Chemistry LLC Expired on 9/30/2022
Advera Potters Industries, LLC Expired on 9/30/2022
Cecabase RT Road Science LLC Expired on 9/30/2022
Sasobit Sasol Wax North America Expired on 9/30/2022
SonneWarmix Sonneborn LLC Expired on 9/30/2022
ZycoTherm SP Zydex Industries Expired on 9/30/2022

WATER INJECTION TECHNOLOGIES
Product Name Supplier Expiration Date
Astec Double Barrel Green Astec Incorporated Expired on 9/30/2022
Gencor Ultrafoam GX2 Gencor Industries Incorporated Expired on 9/30/2022
MAXAM AQUABlack System Maxam Equipment Incorporated Expired on 9/30/2022

Notes:

Caltrans is phasing out this list of Warm Mix Asphalt Technologies and is no longer evaluating materials under the criteria that these materials were evaluated.  Materials on this list may be used on projects until their expiration date. An updated authorization criteria is now available and a new material list will be created based on the updated criteria.

Warm Mix Asphalt (WMA) technologies allow a reduction in the temperatures at which asphalt mixes (HMA/RHMA) are produced and placed. WMA technologies must comply with Section-39, “Hot Mix Asphalt” of the Standard Specifications and approved by the California Department of Transportation ("Caltrans"). Caltrans may perform quality assurance testing to verify materials properties before use on any Caltrans construction project.

Caltrans contact: Kee Foo, kee.foo@dot.ca.gov