In the same modifier, as the increase of the using level of calcium activator, the bulk density showed a descending trend gradually and the microaggregate showed an opposite trend gradually.
随着钙活化剂用量的增加，容重呈现逐渐下降的趋势，而微团聚体则呈现逐渐增加的趋势。
2
The effects of neoprene activator with varied HCl level on cured IIR compound performance have been tested.