6 Ply Tires

…adopted, ply ratings and/or the actual number of casing plies were used to identify the relative strength with higher numeric ratings or plies identifying tires featuring stronger, heavier duty constructions. Today, the ply rating doesn’t indicate the actual number of plies used in the tire.…

…early radial ply tires offered a treadwear expectancy of about 40,000 miles during four years of service. By the turn of the century, many long-life radial tires extended treadwear to about 60,000 miles during four or more years of service. While passenger car and light truck tire technology and…

…life compared to the tires mounted on wheels, installed on vehicles and exposed to the elements, road grime and brake dust. Tire manufacturers' replacement tire warranties begin when the tires are purchased and typically last 4 to 6 years from that date. This allows the tire manufacturers' limited…

…Separations / Bubbles? Pneumatic tires are made of specialized rubber compounds reinforced by plies of fabric cords and metal wires. While most rubber compounds can be stretched easily, the underlying fabric cords and steel wires actually define the tire's shape by limiting stretching. In order…