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Product Name
Product Brand Name
Product DOT
Place Of Introduction
Products Safety warning
Product Tire Size
DOT (Department of Transportation)
The "DOT" symbol certifies the tire manufacturer's compliance with the U.S. Department of Transportation (DOT) National Highway Traffic Safety Administration (NHTSA) tire safety standards. Tires made in the United States have the DOT serial number located on the inside sidewall near the rim. The letters “DOT” are followed by eight to thirteen letters and/or numbers that identify where the tire was manufactured, tire size and the manufacturer’s code, along with the week and year the tire was manufactured.
UTQC(Uniform Tire Quality Granding)
Treadwear
Each tire shall be graded for treadwear performance with the word ‘‘TREADWEAR’’ followed by a number of two or three digits representing the tire’s grade for treadwear, expressed as a percentage of the NHTSA nominal treadwear value. Treadwear grades shall be expressed in multiples of 20 (for example, 80, 120, 160).
Traction
Each tire shall be graded for traction performance with the word ‘‘TRACTION,’’ followed by the symbols AA, A, B, or C. They represent the tire's ability to stop on wet pavement as measured under controlled conditions on specified government test surfaces of asphalt and concrete.
Temperature
The temperature grades, from highest to lowest, are A, B and C.These represent the tire’s ability to dissipate heat under controlled indoor test conditions. Any tire rated below C is considered unacceptable.