The test results showed that the mechanical properties of TPO cured by sufur curing system and filled with silica were good when the blending ration of PSBR/PE was 60/40.

• 结果表明,当PSBR/PE共混比为60/40并采用传统硫化体系、白炭黑作补强剂时,TPO综合性能较好。