1. Dị fechaa

Plastic bụ ihe dị mfe nke nwere njupụta nke 0.90-2.2.N'ụzọ doro anya, plastik nwere ike ise n'elu mmiri?Karịsịa plastics foamed, n'ihi micropores n'ime, udidi dị ọkụ, na ikwu njupụta bụ naanị 0.01.Njirimara a na-enye ohere iji plastik mee ihe n'ịmepụta ngwaahịa na-achọ ọkụ nke ịdị arọ nke onwe ha.

2. Nkwụsi ike kemịkalụ mara mma

Ọtụtụ plastik nwere ezigbo nguzogide corrosion na kemịkalụ dị ka acids na alkalis.Karịsịa, polytetrafluoroethylene (F4), nke a na-akpọkarị Eze Plastics, na-akwụsi ike na kemịkalụ karịa ọla edo, ọ gaghịkwa emebi emebi ọbụlagodi na esi ya na "aqua regia" ihe karịrị awa iri.N'ihi na F4 nwere ezigbo nkwụsi ike kemịkalụ, ọ bụ ezigbo ihe na-eguzogide corrosion.Dịka ọmụmaatụ, enwere ike iji F4 mee ihe maka ibufe pipeline mmiri na-emebi emebi na viscous.

3. Ezigbo ihe mkpuchi ọkụ eletrik

Plastics nkịtị bụ ndị na-eduzi ọkụ eletrik na-adịghị mma, na nguzogide elu ha na nguzogide olu dị oke ibu, nke nwere ike iru 109 ruo 1018 ohms na ọnụọgụ.Voltaji mmebi ahụ buru ibu, yana uru tangent dielectric dị obere.Ya mere, plastik nwere ọtụtụ ngwa ngwa na ụlọ ọrụ eletrọnịkị na ụlọ ọrụ igwe.Dị ka eriri mkpuchi mkpuchi plastik.

4. Onye na-eduzi okpomọkụ na-adịghị mma, na mbelata mkpọtụ na mmetụta mmịkọ ujo

N'ikwu okwu n'ozuzu, ikuku okpomọkụ nke rọba dị ntakịrị, ya na 1 / 75-1 / 225 nke ígwè, na micropores nke plastic ụfụfụ.

Ọ nwere gas, nke nwere mkpuchi ọkụ ka mma, mkpuchi ụda na nguzogide ujo.Dị ka ihe atụ, thermal conductivity nke polyvinyl chloride (PVC) bụ naanị 1/357 nke ígwè na 1/1250 nke aluminum.N'ihe gbasara ikike mkpuchi ọkụ, windo plastik otu iko dị elu 40% karịa windo aluminom nke nwere otu iko, na windo okpukpu abụọ dị elu 50%.Mgbe ejikọta windo plastik na iko oghere, enwere ike iji ya na ebe obibi, ụlọ ọrụ ụlọ ọrụ, ụlọ oriri na ọṅụṅụ, na ụlọ oriri na ọṅụṅụ, na-echekwa okpomọkụ n'oge oyi ma na-echekwa ego mkpuchi ikuku n'oge okpomọkụ, na uru dị nnọọ iche.

5. Nkesa sara mbara nke ike igwe na ike dị elu dị elu

Ụfọdụ plastik siri ike dị ka nkume na ígwè, ụfọdụ dịkwa nro dị ka akwụkwọ na akpụkpọ anụ.Site n'echiche nke ihe eji arụ ọrụ dị ka ike siri ike, ike nkwụsị, elongation, na ike mmetụta nke plastik, ha nwere oke nkesa nkesa ma nwee ọtụtụ nhọrọ maka ojiji.N'ihi obere ike ndọda na ike dị elu nke plastik, ọ nwere ike dị elu.E jiri ya tụnyere ihe ndị ọzọ, plastik nwekwara adịghị ike doro anya, dị ka ire ọkụ, isi ike dị elu karịa ọla, adịghị mma na-eguzogide ịka nká, na nkwụsị okpomọkụ.

Ya mere, ngwaahịa rọba anyị na-eji ihe plastik dị ka ọdịdị nke ngwaahịa ahụ si dị
Ọmụmaatụ:ngajingwaahịa bụ isi nri ọkwa PP na ọgwụ ọkwa PP.
Nkesirinjibụ ọkwa ahụike PP, naule tubenwere ọkwa ahụike PP ma ọ bụ PS.Nkekarama ịgbabụ isi ihe jikọrọ PET na PP.

N'ihi naihe ebuihe ndị anyị na-eji dị ezigbo mma na-akpụ akpụ ígwè, dị ka 718. Ọdịdị nke ngwaahịa plastik mere dị mma.Anyị nwere ahụmahụ 13 afọ nke akụkọ ihe mere eme na mpaghara a, ọkachamara dị ukwuu