비의류제품

insulating materials-the requirements of electrical engineering industry

  • 출판일1999.03
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 469
surveys materials suitable for available injection moulding machines, fast presses, winding and forming machines, etc. for the most important constructional components, polyester plastics, including the self-extinguishing class, glass-filled epoxy resins, with cut fibres and mineral powder, phenolic, melamine and polyesters for injection moulding are needed. polish production of laminates can cover only 50 percent of the demand. in the field of thermoplastics, many already developed grades, including bistan polycarbonate, are still waiting to go into mass production. higher class plastics, especially the glass-filled, cannot be produced because some of their components have to be imported. deficiencies are reported in insulating varnishes for impregnation and in drawn-on higher-temperature impregnated cotton, silk and glass-silk flexible tubes
이전글 다음글 목록