Patent ID: 6211281
Filing Date: 2001-04-03
Classification: B60C,C08K,Y10S

Abstract:
A pneumatic tire for heavy duty use having a tread which is composed of a rubber composition comprising 100 parts by weight of an (A) isoprene-based rubber and 30 to 70 parts by weight of (B) carbon black which has a nitrogen-adsorption specific surface area (BET) of 120 to 160 m.sup.2 /g; a dibutyl phthalate absorption amount (DBP) of 80 to 130 ml/100 g; a most frequent value of aggregate diameter distribution (D.sub.st) of 60 to 70 nm; and a half peak width (.DELTA.D.sub.50) of 65 to 80 nm.