9-1. Specifications
669
Tire related term Ply separation
Pneumatic tire
Radial ply tire
Reinforced tire
Section width
Sidewall
Sidewall separation
Snow tire
Meaning
A parting of rubber compound between adjacent plies
A mechanical device made of rubber, chemicals, fabric and steel or other materials, that, when mounted on an automotive wheel, provides the traction and contains the gas or fluid that sustains the load
A pneumatic tire in which the ply cords that extend to the beads are laid at substantially 90 degrees to the centerline of the tread
A tire designed to operate at higher loads and at higher inflation pressures than the corresponding standard tire
The linear distance between the exteriors of the sidewalls of an inflated tire, excluding elevations due to labeling, decoration, or protective bands
That portion of a tire between the tread and bead
The parting of the rubber compound from the cord material in the sidewall
A tire that attains a traction index equal to or greater than 112, compared to the ASTM F2493 standard reference test tire when using the snow traction test on the medium pack snow surface as described in ASTM F1805-20, Standard Test Method for Single Wheel Driving Traction in a Straight Line on Snow-and Ice-Covered Surfaces, and which is marked with an Alpine
Symbol() on at least one sidewall
9
Test rim
Tread
Tread rib
The rim on which a tire is fitted for testing, and may be any rim listed as appropriate for use with that tire
That portion of a tire that comes into contact with the road
A tread section running circumferentially around a tire
Vehicle specifications