Friction Material Standards Institute Archives - Tire Review Magazine
ChrisFix Discusses New Z Brake Pad Numbers in Video

The Z number identification shows where OE brake pads have been specified to have mechanical attachment of the friction to the steel backing plate.

FMSI, U.S. Government Agencies Send Strong Message to Counterfeit Brake Importers

The Friction Material Standards Institute (FMSI) has been working with officials at the U.S. Customs and Border Patrol and Homeland Security to identify counterfeit brake products.