| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a rubber composition for a bead apex and a pneumatic tire which are capable of improving the handling stability, fuel economy and extrusion processability in a balanced manner. <P>SOLUTION: The present invention relates to a rubber composition for a bead apex, including: a rubber component; carbon black; an inorganic filler other than silica; and a phenolic resin, wherein the carbon black has a BET specific surface area of 25 to 50 m<SP POS="POST">2</SP>/g; and an amount of the carbon black is 40 to 80 parts by mass, and an amount of the inorganic filler is 3 to 30 parts by mass, based on 100 parts by mass of the rubber component. <P>COPYRIGHT: (C)2013,JPO&INPIT |
