With the Bitumen market expected to rise in the coming years, IPL has worked with regulatory bodies, suppliers and customers to gain a good understanding of the product specifications and have expanded their Bitumen testing capabilities.
The increased demand for bitumen and asphalt binders is largely driven by the construction industry and by an increase in infrastructure development all around the world. The additional vehicles on the roads has also resulted in the need for an improved road network. The adoption of the performance based M1-A specifications in New Zealand is a good example of some of the measures taken to avoid premature shoving and rutting of our roads.
|Bitumen and Asphalt Binder test list|
Density by Pycnometer
Solubility of Bitumen
Specific Gravity by pycnometer
IPL attended rheology training and planning to allow for the development of bitumen testing to M1-A specifications. The Northland lab was also refurbished to convert existing lab space to house the equipment, HSNO and testing requirements set out by the test methods. The testing provided by IPL is part of our customers’ Quality Assurance plan to ensure that the bitumen manufactured or imported into NZ complies with the M1-A specs. The testing developed includes:
- ASTM D2872 - Rolling Thin Film Over Test
- AASHTO T315 - Rheology of Asphalt and Bitumen by DSR
- AASHTO T350 - Dynamic Shear Rheometer
The M1-A performance specification of asphalt binders sets out four different performance levels which will vary depending on the traffic level and the traffic speed range. The specification addresses the need to predict binder performance in asphalt, therefore lowering the risk of premature ageing of our roads.
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Blog: Testing for Performance Specifications