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苯基硅橡胶生胶
 类型         苯基含量(%)    乙烯基含量(%)    分子量(万)      特性
a.低苯基      4.3              0.2               49             耐高低温 
b.中苯基      14.8             0.31              50             耐辐照
c.高苯基      25               0.32              51             耐高辐照