They are the treatment of rubber technical ware aftervulcanization, and reworking of worn tires.
他们是橡胶技术商品的诊治在硫化作用以后和整顿破旧的轮胎。
2
The characterization of pre-curing catalyst show that the pore volume and specific surface area had little change aftervulcanization.
预硫化催化剂的表征结果表明，催化剂硫化前后孔容和比表面积变化不大。
3
The formula of domestic EPDM 4045 compound for cable insulating material is introduced in this paper, After the selection of filler, vulcanization agent and plasticizer, the compound are determined.