Cov hauv qab no muaj ntau cov ntaub ntawv insulating thiab lawv cov xwm txheej muaj feem xyuam:
1.} polyvinyl chloride (PVC): Nws muaj cov nqi hluav taws xob tsis muaj zog, tab sis cov neeg siv tshuab hluav taws xob tsis zoo, tab sis tsim nyog rau cov chaw dav dav.
{{02. polyethylene (PE): Nws muaj cov cua sov tsis kam, thiab yog qhov haum rau qhov kev kub siab ib puag ncig.
III {{.}}} boss-txuas Polyethylene thiab cua sov ua kom haum, thiab yog haum rau high-voltage cables.
4.} roj hmab: nws muaj qhov zoo elasticity thiab hnav tsis kam, thiab yog tsim nyog rau ib puag ncig uas muaj kev txav chaw lossis tawm sab nraum zoov lossis sab nraum zoov {}}
V . roj hmab silicone: cua sov-resistant, hluav taws xob-resistant, haum rau cov chaw tshwj xeeb.
