Brake Testing for Brake Dust and Non-Exhaust Emissions (Tire wear) | HORIBA Brake Testing

Non-Exhaust / Brake Emissions

Why is it Important to Measure Non-Exhaust and Brake Dust Emissions?

Non-exhaust emissions are airborne particles generated from sources other than the tailpipe, including brake wear, tire wear, road surface abrasion, and road dust. As vehicle exhaust emissions continue to decrease, non-exhaust emissions are becoming an increasingly important contributor to particulate matter (PM) pollution in urban environments.

Brake dust emissions contain fine and ultrafine particles, including PM10 and PM2.5, that may negatively impact human health when inhaled. Similar concerns exist for tire wear particles, driving increased regulatory attention and the development of standards such as Euro 7.

Accurate brake and tire emissions testing helps manufacturers understand, quantify, and reduce non-exhaust emissions while supporting regulatory compliance and vehicle development. With decades of expertise in automotive testing and emissions measurement, HORIBA provides advanced solutions for brake emissions measurement, particle characterization, and tire testing to help manufacturers prepare for the next generation of mobility regulations.

Leaders in Brake Emissions Regulations

In Europe, the informal working group of the Particulate Measurement Program (PMP) received a mandate to investigate the topic of brake emissions.

HORIBA has been an active member in all four task forces within the PMP group. These groups are working on the development of a commonly agreed method for sampling and measuring brake wear particulates. Setting the framework for the test procedure used within the UN GTR No. 24, which specifies how brake emissions have to be measured to fulfill Euro 7 standards. Visit our Euro 7 page to learn more about the proposed emission standards, including brake emissions.

The California Air Resource Board (CARB: Vehicle non-exhaust particulate matter sources) also has an ongoing investigation into particulate standards.

We provide complete brake dust measurement solutions to help OEM and brake system suppliers prepare for possible regulations, leveraging our emissions analysis and brake testing expertise.

Understanding Brake Emissions Measurement

As non-exhaust emissions become an increasingly important focus for vehicle manufacturers and regulators, accurate brake emissions testing is essential. This video explores how HORIBA solutions help measure and analyze brake wear particles using brake dynamometers, particulate measurement systems, and automation technologies that support vehicle development, emissions research, and compliance testing.

Contact HORIBA to learn how our brake emissions measurement solutions can support your testing, compliance, and research objectives.

Brake Dynamometers Test Systems for Brake Emissions Measurement

HORIBA GIANT 5200 Brake Dynamometer for measuring brake emissions according to WLTP at TMD Friction, a leading global supplier of high-quality brake friction solutions.

Further, we offer a range of brake dynamometer test systems. These are robust, compact brake inertia test systems that enable brake system performance, NVH, and brake dust analysis.

In line with the growing appetite for brake dust measurement; particulate measurement can now be performed by measuring particulate matter mass (PM2.5 and PM10). This is done by means of gravimetric filtration, or the total and solid particles (TPN and SPN) can be counted for particulate in the range of 10nm to 2.5um.

GIANT 5200 | Brake Dynamometer for Brake Emissions Testing
SPCS-ONE| Solid Particle Counting System for solid particle number (SPN) and total particle number (TPN) measurement
OBS-ONE PM | On-board Particulate Matter (PM) Measurement System for PM2.5 and PM10

Elemental analysis is also available to analyze chemical composition:

PX-375 | Continuous Particulate Monitor with X-ray Fluorescence
XploRA™ PLUS | Raman Spectrometer - Confocal Raman Microscope

Discover more about our advanced brake emission measurement analyzers and how they can enhance your testing and compliance efforts. Visit our Brake Emission Measurement Analyzers page for detailed solutions and expertise.

PDF

7.57 MB

Brake Dust Measurement - Brochure ENG

After introducing legislation limiting exhaust emissions, new legislation may also target non-exhaust emissions including Brake Dust measurement.

STARS Brake Automation Software for Brake Testing

A solution is only as good as the automation that connects it. STARS Brake Test Automation software helps set up tests, evaluate data, and generates reports meeting the requirements of UN GTR No. 24.