When CR being used for the material of cable sheath,blending a certain quantity CPE could develop the resistance to heat,modulus,tensile strength and tear strength,and the manufacture cost is reduced in a certain exrtent.

• 采用氯丁橡胶（CR）作电缆护套材料时，共混一定量的氯化聚乙烯（CPE）可明显改善其胶料耐热性，提高其定伸应力，拉伸强度及撕裂强度，且在一定程度上降低了生产成本。