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Tire related term
Ply separation
Pneumatic tire
Radial ply tire
Reinforced tire
Section width
Sidewall
Sidewall separation
Snow tire
Test rim
A parting of rubber compound between adjacent
plies
A 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 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 side-
walls 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 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 sidewall
The rim on which a tire is fitted for testing, and may be
any rim listed as appropriate for use with that tire
6-1. Specifications
Meaning
6
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