5826-1. SpecificationsPly separationA parting of rubber compound between adjacent pliesPneumatic tireA mechanical device made of rubber, chemicals, fab-ric and steel or other materials, that, when mounted on an automotive wheel, provides the traction and contains the gas or fluid that sustains the loadRadial ply tireA pneumatic tire in which the ply cords that extend to the beads are laid at substantially 90 degrees to the centerline of the treadReinforced tire A tire designed to operate at higher loads and at higher inflation pressures than the corresponding standard tireSection widthThe linear distance between the exteriors of the side-walls of an inflated tire, excluding elevations due to labeling, decoration, or protective bandsSidewall That portion of a tire between the tread and beadSidewall separationThe parting of the rubber compound from the cord material in the sidewallSnow tireA tire that attains a traction index equal to or greater than 110, compared to the ASTM E-1136 Standard Reference Test Tire, when using the snow traction test as described in ASTM F-1805-00, 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 sidewallTest rimThe rim on which a tire is fitted for testing, and may be any rim listed as appropriate for use with that tireTreadThat portion of a tire that comes into contact with the roadTire related term Meaning
