... %700%18KN/m33KN/m12%700%Tear resistanceD100493N152N156NPuncture resistanceD4833240N320N400NStress crack resistanceD5397(App.)300hr300hr300hrCarbon black contentD16032.0%2.0%2.0%Oxidative induction ... %700%37KN/m67KN/m12%700%Tear resistanceD1004187N249N311NPuncture resistanceD4833480N640N800NStress crack resistanceD5397(App.)300hr300hr300hrCarbon black contentD16032.0%2.0%2.0%Oxidative induction ...