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  • 专利标题:   Carbon-modified high-conductivity foaming ethylene propylene diene rubber , in rubber sealing piece used in rail vehicle and parts use field, comprises ethylene-propylene-diene rubber crude rubber, zinc oxide, stearic acid, and carbon black.
  • 专利号:   CN113831652-A
  • 发明人:   ZHANG W
  • 专利权人:   HEBEI HUAMI NEW MATERIAL TECHNOLOGY CO
  • 国际专利分类:   C08J009/10, C08J009/32, C08K013/02, C08K003/04, C08K003/22, C08K003/26, C08K005/09, C08K005/39, C08K005/40, C08K005/47, C08L023/16, C08L091/06
  • 专利详细信息:   CN113831652-A 24 Dec 2021 C08L-023/16 202242 Chinese
  • 申请详细信息:   CN113831652-A CN11265321 28 Oct 2021
  • 优先权号:   CN11265321

▎ 摘　　要

NOVELTY - Carbon-modified high-conductivity foamed ethylene propylene diene rubber comprises 100 pts. wt. ethylene-propylene-diene rubber crude rubber, 5-10 pts. zinc oxide, 1-3 pts. stearic acid, 30-60 pts. carbon black, 20-40 pts. light calcium carbonate, 15-35 pts. paraffin oil, 3-6 pts. accelerator, 0.5-1 pts. sulfur, 5 pts. foaming agent and 5-15 pts. composite component. USE - Carbon-modified high-conductive foaming ethylene propylene diene rubber used for rubber sealing piece used in rail vehicle and parts use field. ADVANTAGE - The carbon-modified high-conductivity foaming ethylene propylene diene rubber has excellent foaming property, low density and conductivity.