A little asbestos fiber is formed on the contacts.
Research on property of chrysotile asbestos fiber reinforced polypropylene/wood fiber composites
ambient air - determination of asbestos fiber - direct-transfer transmission electron microscopy method
In essence though, pleural mesothelioma develops when jagged asbestos fibers are inhaled and settle in and around the lungs.
Taking all of this evidence together, the most the court could conclude was that public exposure to asbestos fibers "creates some health risk".