Appendix A. (Continued)

FEDERAL MOTOR VEHICLE
SAFETY STANDARD NO. 109

TABLE II—MINIMUM BREAKING ENERGY VALUES (INCH-POUNDS)
TABLE II—A—FOR BIAS PLY TIRES WITH SIZE DESIGNATION OF 6.00 INCHES (OR 155 MILLIMETERS) AND ABOVE AND 70 SERIES TIRES

Cord	Maximum permissible inflation pressure
material	32 lb/in2	36 lb/in2	40 lb/in2	300 KPa
Rayon…	1,650 in-lbs	2,574 in-lbs	3,300 in-lbs	1,650 in-lbs
Nylon or polyester…	2,600 in-lbs	3,900 in-lbs	5,200 in-lbs	2,600 in-lbs

TABLE II—B—FOR BIAS PLY TIRES WITH SIZE DESIGNATION
BELOW 6.00 INCHES (OR 155 MILLIMETERS)

Cord	Maximum permissible inflation pressure
material	32 lb/in2	36 lb/in2	40 lb/in2	300 KPa
Rayon…	1,000 in-lbs	1,875 in-lbs	2,500 in-lbs	1,000 in-lbs
Nylon or polyester…	1,950 in-lbs	2,925 in-lbs	3,900 in-lbs	1,950 in-lbs

TABLE II—C—FOR RADIAL PLY TIRES

Size	Maximum permissible inflation pressure
designation	32 lb/in2	36 lb/in2	40 lb/in2	300 KPa
Below 160 millimeters…	1,950 in-lbs	2,925 in-lbs	3,900 in-lbs	1,950 in-lbs
160 millimeters or above…	2,600 in-lbs	3,900 in-lbs	5,200 in-lbs	2,600 in-lbs

TABLE III—TEST INFLATION PRESSURES
Maximum permissible inflation pressure [(in pounds per square inch)]…	32 lb/in2	36 lb/in2	40 lb/in2	300 KPa
Pressure [(in pounds per square inch)] to be used in tests for physical dimensions, bead unseating, tire strength and tire endurance…	24 lb/in2	28 lb/in2	32 lb/in2	180 KPa
Pressure [(in pounds per square inch)] to be used in test or high speed performance…	30 lb/in2	34 lb/in2	38 lb/in2	220 KPa