The result showed that petroleum resins cowld lower the flexing resistance but made tensile strength,abrasion resistance and wet skid resistance better.

• 实验结果表明石油树脂降低了胶料的抗屈挠性能,但是提高了胶料的拉伸强度,改善了轮胎的耐磨性能和抗湿滑性。