Our Asphalt and Bitumen facility operates 7 days a week to accommodate even the most demanding project deadlines.

At STEYN-WILSON Laboratories we have developed a state of the art facility with state of the art equipment.  Both complimenting, quality and high production demands.

We offer the full range of asphalt tests as well as performance testing of asphalt.

We test bituminous binders and recovery binders, including tests before and after laboratory aging of the binders.

  • HAMBURG WHEEL TRACK
  • AIR PERMEABILITY
  • WATER PERMEABILITY
  • GYROTORY COMPACTION
  • CONTABRO ABRASION
  • SHELLENBERGER DRAINAGE
  • MULTIPLE STRESS CREEP & RECOVERY (MSCR) by DSR
  • DYNAMIC SHEAR RHEOMETER

GYRATORY COMPACTION

This method of compaction is considered to be one of the best methods of laboratory compaction for the assessment of compactibility and the manufacture of test specimens. Specimens compacted through this process are best for predicting long term pavement performance. This method of compaction will generally be used during the mix design of a hot asphalt mix where testing durability of a mixture is a crucial part of the designing phase.