46
Tire Ply Composition and Materials Used
The number of plies indicates the number of layers of
rubber-coated fabric in the tire. In general, the greater
the number of plies, the more weight a tire can support.
Tire manufacturers also must indicate the materials
in the tire, which include steel, nylon, polyester, and
others.
Maximum Load Rating
This number indicates the maximum load in kilograms
and pounds that can be carried by the tire.
Maximum Permissible Inflation Pressure
This number is the greatest amount of air pressure
that should ever be put in the tire under normal driving
conditions.
UTQGS Information
Treadwear Number
This number indicates the tire’s wear rate. The higher
the treadwear number is, the longer it should take for
the tread to wear down. For example, a tire graded 400
should last twice as long as a tire graded 200.
Traction Letter
This letter indicates a tire’s ability to stop on wet
pavement. A higher graded tire should allow you to stop
your car on wet roads in a shorter distance than a tire
with a lower grade. Traction is graded from highest to
lowest as “AA”,”A”, “B”, and “C”.
Temperature Letter
This letter indicates a tire’s resistance to heat. The
temperature grade is for a tire that is inflated properly
and not overloaded. Excessive speed, underinflation or
excessive loading, either separately or in combination,
can cause heat build-up and possible tire failure. From
highest to lowest, a tire’s resistance to heat is graded as
“A”, “B”, or “C”.
ADDITIONAL INFORMATION
ON LIGHT TRUCK TIRES
Tires for light trucks have other markings besides those
found on the sidewalls of passenger tires.
LT
The “LT” indicates the tire is for light trucks.
Max. Load Dual kg(lbs) at kPa(psi) Cold
This information indicates the maximum load and tire
pressure when the tire is used as a dual, that is, when
four tires are put on each rear axle (a total of six or more
tires on the vehicle).
Max. Load Single kg(lbs) at kPa(psi) Cold
This information indicates the maximum load and tire
pressure when the tire is used as a single.
Load Range
This information identifies the tire’s load-carrying
capabilities and its inflation limits.
Snow Tires
In some heavy snow areas, local governments may
require true snow tires, those with very deeply cut tread.
These tires should only be used in pairs or placed on all
four wheels. Make sure you purchase snow tires that are
the same size and construction type as the other tires
on your vehicle.
Содержание 2020 TOFINO
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Страница 56: ...50 302 PORTAGE AVENUE SASKATOON SK CANADA S7J 4C6 TEL 800 364 0189 FAX 800 934 7085 WWW PLEASUREWAY COM ...