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The Development And Production Of Physical Foaming

Feb 16, 2017

Cable background: the practical use of cable has been 250 years of history.

Since the birth of wire and cable, people have been working hard to study the development of new types of insulating materials and insulation structure, the general structure of the insulation can be divided into solid insulation, air insulation, semi-air insulation.

Air insulation refers to the cable inside and outside the conductor, in addition to a certain interval or spiral fixed inner conductor on the support, the rest are air, the structure of the form

(A) gasket

(B) spiral

(C) Diego spiral

(D) cover