RUBBER PERCENT BY WEIGHT IN A NEW RADIAL PASSENGER TIRE

TREAD

32.6%

BASE

1.7%

SIDEWALL

21.9%

BEAD APEX

5.0%

BEAD INSULATION

1.2%

FABRIC INSULATION

11.8%

INSULATION OF STEEL CORD

9.5%

INNERLINER

12.4%

UNDERCUSHION

3.9%

 

 

SOURCE: Scrap Tire Management Council