| abstract |
Pneumatic radial tirenwhich between edge regions of a belt (1, 6) and a carcassn(4, 9) stored in a shoulder region thereof in the circumferential directionna belt underwear pillown(3, 8), wherein the underbelt padn(3, 8) consists of a rubber mass, which resorcinol or a Resorcinderivat andnHexamethylenetetramine or a melamine derivative as a methylene donorncontainsnand 35 to 60 parts by weight of carbon black andn3 to 30 parts by weight of silica with a total amount of carbon black and silica,nwhich is 20 to 65 parts by weight, and 2 to 5 parts by weightnSulfur with respect to 100 parts by weight of a rubber, and whichna dynamic viscoelasticitynE 'from 6.2 MPa to 10 MPa, a loss tangent tanĪ“ of 0.10nto 0.18 and a 300% modulus of 11 MPa to 15 MPa. |