Scam alerts: we’ve seen an increase in scam texts and emails claiming to be from us, asking for payments.
Check our example scams or report a scam to us

NZTA App: our mobile app provides a simple and secure way to access your driver licence and vehicle information.
Learn more and download the NZTA app

NZ Transport Agency Waka Kotahi logo

Resources

Back to Resources

Quantitative extraction of bitumen from asphalt mixes

Published: | Category: Materials , Surfacing , Testing , Specifications | Audience: Roading contractors

Test method to determine the bitumen content of asphalt mixes for the purposes of assessing compliance with specified requirements.

Publication details

  • Author:
  • Published: August 2020
  • Also known as: T22, T/22

Sign up to receive updates about Specifications

Browse section/chapter

  1. Quantitative extraction of bitumen from asphalt mixes — 5 pages, 413 KB
Traffic and travel information
Driver licences
Vehicles
Roads and rail
Commercial driving
Safety
Walking, cycling and public transport
Planning and investment