A. Cloth, cotton paper isolation (PAPER) - only play the role of isolation, the general "P" said.

B. Mylar - mainly refers to the polyester film, generally only play a role in isolation, generally with "MYLAR" said.

C. FM-PP membrane isolation - mainly used in high-characteristic impedance wire.

D. Copper foil isolation (usually used in processing plug molding).

E. Aluminum foil isolation (single-sided AL, double-sided AL, wings AL, copper evaporated aluminum foil) by the aluminum foil, its main role to prevent electromagnetic interference, the general "AL" said.

F. Fill: (PVC strip, filled with linen, bullet-proof wire, cotton thread, special multi-dragon) filled with the main function is to twist the wire and increase wire hanging and swing test function.