Ceramic pads came in ... tires, and brakes," study lead author Dr. James Parkin said in a statement. "We wanted to understand how different types of chemical composition of pads affect the ...

“We wanted to understand how different types of chemical composition ... of brake pad with differing chemical compositions; low metallic, semi-metallic, non-asbestos organic and hybrid-ceramic.

While the federal government sets performance standards for brake systems in new vehicles, there are no government regulations covering replacement brake pads. Given that a large percentage of ...

Researchers have raised concerns about toxic emissions from car brake pads ... metallic composition, while the other three were semi-metallic, non-asbestos organic and hybrid ceramic.