1. di iche iche
Polyethylene, ndebiri dị ka pecymer na-etolite site na polymerization nke ndị momemene ogologo;
Polyvinyl chloride, butere polymer na polymer nke polymerization nke polyvinyly Chloride Chloride Momomomers {}}
2. di iche iche na ngwa
Ihe ndị dị na ngwa
(1) Ihe mgbochi gas na mmanụ na - eguzogide - na mkpụrụ osisi na akwụkwọ nri, akpọbataghị nri mmanụ;
(2) nghọtahie na-ezighi ezi na mbipụta na-adịghị mma;
(3) Enweghi ike iguzogide elu okpomoku - enweghi ike iji ogwu di elu;
(4) Ezigbo mmiri na mmiri mmiri - mmiri-na-egosi na nri akọrọ;
(5) Ezigbo Mgbanwe na akara akara ọkụ - ikpo ọkụ na-akara oyi akwa maka ihe ndị mejupụtara;
(6) Ezigbo ntụchi-okpomoku dị ala - kwesịrị ekwesị maka ọgwụgwọ kefriza;
(7) nchekwa na enweghị nsi;
Njirimara na ngwa nke PVC
(1) Poor resistance to high and low temperatures: used at temperatures of -15-55 ℃, brittle at low temperatures, decomposed at high temperatures (>100 ogo), enweghị ike iji ọgwụ mgbochi okpomọkụ dị elu ma ọ bụ ọgwụgwọ na-efe efe;
(2) PVC resin n'onwe ya abụghị ihe na-egbu egbu, mana nke na-enweghị ihe na-egbu egbu, ma na-agbanwe agbanwe, na-enwe mmetụta actide na Teratogenic mmetụta na akwụkwọ PVC na-achịkwa .}
(3) Ezigbo kemịkal na akụrụngwa arụ ọrụ, yana nghọta ka mma na nke ọma karịa per,
(4) Ntugide gas na mmiri dị mma karịa pe, ebe nguzogide mmiri dị ala karịa pe;
