Ibyarebwe: 290 Umwanditsi: Umwanditsi w'urubuga Igihe cyo gusohora: 2022-03-08 Inkomoko: Urubuga
DOP na DOTP ni pulasitiki zikoreshwa muri rusange zikoreshwa mu gutuma PVC yoroha, yoroshye kandi yoroshye gutunganya. Itandukaniro rikomeye ni imiterere ya molekile zazo: DOP, ubusanzwe yerekeza kuri DEHP, ni orthophthalate, mu gihe DOTP, nanone yitwa DEHT, ari terephthalate kandi ikunze gutoranywa nk'ubundi buryo butari orthophthalate.
Igisubizo cyihuse: Hitamo DOP ku bikoresho by’inganda PVC bihendutse kandi bisanzwe iyo byemewe kuyikoresha. Suzuma DOTP iyo hakenewe imihindagurikire mike, plastike nziza ihoraho, ubwiyongere bw’ingufu, amashanyarazi akingira cyangwa imiterere idakoresha orthophthalate. Nta na kimwe muri ibyo bikoresho kigomba gukoreshwa mu buryo bwikora, mu buryo bworoshye mu biryo cyangwa mu buvuzi; kubahiriza amategeko biterwa n’urwego runaka, uburyo bwuzuye, ibintu byarangiye n’isoko ry’aho bijya.
| Indangamuntu | DOP / DEHP | DOTP / DEHT |
|---|---|---|
| Izina rusange ry'ibinyabutabire | Bis(2-ethylhexyl) phthalate | Tereftalate ya Bis (2-ethylhexyl) |
| Amagambo ahinnye asanzwe | DOP, DEHP | DOTP, DEHT |
| Nimero ya CAS | 117-81-7 | 6422-86-2 |
| Ifurumu ya molekile | C 24H 38O4 | C 24H 38O4 |
| Umuryango w’inyubako | Ester ya orthoftalate | Ester ya Tereftalate |
| Uruhare rw'ibanze | Igikoresho rusange cya pulasitiki PVC | Igikoresho rusange cyo mu bwoko bwa pulasitiki kidakoresha orthophthalate PVC |
DOP na DOTP bifite formula imwe ya molekile n'uburemere bumwe bwa molekile, ariko ni isomeri zo mu mwanya. Muri DOP, amatsinda abiri ya ester yegeranye n'impeta ya aromatike. Muri DOTP, aratandukanye. Iri tandukaniro ry'imiterere rigira ingaruka ku guhinduka, kwimuka, imyitwarire y'amashanyarazi, uburyo bwo kuvura no gukora igihe kirekire mu buryo buhindagurika PVC .
Icyitonderwa: Mu masoko y'ubucuruzi PVC , 'DOP' akenshi bivuze DEHP hamwe na CAS 117-81-7. Ntibikwiye kwitiranywa na di-n-octyl phthalate, cyangwa DNOP, ari cyo kintu gitandukanye. Abaguzi bagomba kugenzura izina ry'imiti n'inomero ya CAS ku rupapuro rw'amakuru y'umutekano.
PVC idakozwe muri pulasitiki irakomera mu buryo busanzwe. Igikoresho cya pulasitiki cyinjira hagati y’iminyururu ya polymer PVC maze kikagabanya imbaraga zifata iyo minyururu. Hanyuma iminyururu ishobora kugenda byoroshye, ibyo bigabanura ubukana kandi bikongera ubworoherane, uburebure no gutunganywa. Umusaruro wa nyuma uterwa na resin ya PVC , uburyo bwo kuyitunganya n’imiterere yayo.
DOP ni izina gakondo ry’inganda rya bis (2-ethylhexyl) phthalate, mu magambo ahinnye ya DEHP. Ifite amateka maremare nk'igikoresho rusange cya PVC plasticizer kuko itanga uburyo bwo koroshya ibintu neza, guhuza ibintu mu buryo bwagutse, imyitwarire ihamye yo gutunganya ibintu hamwe n'igiciro cyo gupiganwa mu gutunganya ibintu.
Bitewe n'amabwiriza yo mu gace n'ibipimo by'umusaruro urangiye, DOP yakoreshejwe mu nganda PVC za firime, uruhu rw'ubukorano, imyenda ipfutse, hasi, imiyoboro, ibifunga, gasket, ibice by'inkweto n'ibindi bikoresho byatoranijwe. Imiterere yayo igomba kugenzurwa neza mbere yuko igenwa ku bicuruzwa birimo ingaruka zikomeye ku bantu.
DOTP isobanura dioctyl terephthalate kandi izwi kandi nka DEHT cyangwa bis (2-ethylhexyl) terephthalate. Ni amazi asobanutse neza kandi adahumura neza akoreshwa cyane cyane mu gukaraba PVC . Kubera ko ari terephthalate aho kuba orthophthalate, 'non-orthophthalate plasticizer' ni yo mvugo isobanutse neza mu buhanga.
DOTP ikunze gusuzumwa nk'uburyo bwo gusimbura DOP iyo uruganda rukeneye guhuza neza PVC hamwe no kugabanuka k'ihindagurika ry'ikirere, gukomeza kubaho neza, kudahinduka cyangwa gukuramo umuriro, imiterere y'amashanyarazi y'ingirakamaro hamwe n'imiterere itandukanye y'amategeko agenga.
| Kugereranya | DOP / DEHP | DOTP / DEHT |
|---|---|---|
| Gukoresha pulasitiki neza | Hejuru kandi hazwi neza | Bigereranywa mu buryo bwinshi; igipimo gishobora gukenera guhindurwa |
| gutunganya PVC | Uburyo busanzwe bwo guhuza no gutunganya ibintu | Bishobora gusaba impinduka ku bushyuhe, igihe cyo guhuza cyangwa ingano y'inyongera |
| Guhindagurika no guhoraho | Bikwiriye ibicuruzwa byinshi bisanzwe by'inganda | Akenshi bikunze gukoreshwa mu gihe hadahinduka cyane kandi hakagumana plastike igihe kirekire |
| Kurwanya kwimuka no gukuramo ibintu | Ishingiye cyane ku buryo bwo gukora no guhuza ibintu | Ikunze gutoranywa iyo hakenewe uburyo bwo kongera kwimuka cyangwa kurwanya gukurura ibintu |
| Imikorere yo gusaza ubushyuhe | Birahagije ku bikorwa byinshi bisanzwe | Akenshi isuzuma aho kugabanya ibiro no kugumana ubworoherane igihe kirekire ari byo by'ingenzi |
| Ubushyuhe buke | Imikorere myiza muri rusange | Imikorere myiza muri rusange; ubukonje bukabije bushobora gusaba imvange yihariye ya pulasitiki |
| Ikoreshwa ry'amashanyarazi | Yakoreshejwe mu buryo bwa kera mu nsinga zatoranijwe | Ikunze kwitabwaho mu bijyanye no gukingira insinga n'insinga kubera imikorere myiza y'amashanyarazi |
| Umwanya w'ubuyobozi | DEHP ni imbogamizi cyangwa igengwa n'ibisabwa mu masoko menshi no mu ma porogaramu atandukanye. | Akenshi ikoreshwa nk'ubundi buryo, ariko kubahiriza ibicuruzwa byarangiye bigomba kwemezwa |
| Ibisanzwe bikunze gushyirwa imbere mu kugura | Ikiguzi, imikorere myiza n'uburyo buhamye bwo gutunganya | Guhoraho, imikorere y'amashanyarazi, igihe cyo gukora no gushyira ibintu mu mwanya utari uwo mu bwoko bwa orthophthalate |
Ibi ni igereranya rusange ry’inganda, ntabwo ari agaciro gahamye. Ingano z’ubucuruzi ziratandukana bitewe n’ubuziranenge n’uruganda, mu gihe imikorere y’imvange ihinduka bitewe n’ubwoko bwa resin, plastike ipakiye, ibyuma bitunganya, ibitera imbaraga hamwe n’imiterere y’ibizamini. Koresha amakuru ya tekiniki y’utanga n’igerageza ry’ikoreshwa kugira ngo ufate icyemezo cya nyuma.
DOP ni ortho isomer: amatsinda yayo ya ester aba iruhande rw'andi ku mpeta y'aromatike. DOTP ni para isomer: amatsinda ahagaze arebana. Niyo mpamvu imiti ibiri ifite formula imwe ishobora kwitwara mu buryo butandukanye mu gice cya PVC kandi igafatwa mu buryo butandukanye n'amabwiriza.
DOP izwiho koroshya neza no gutunganya neza. DOTP ishobora kugera ku bukomere bungana n'ubw'imashini mu buryo bwinshi, ariko ntigomba gufatwa nk'uburyo bwo gusimbuza ikintu kimwe ku kindi. Imyitwarire yo guhuza, ubukana n'imikoranire n'ibikoresho byuzuza cyangwa plastike bya kabiri bishobora guhinduka.
Gutakaza pulasitiki bishobora kongera impumuro mbi cyangwa igihu kandi bishobora gutuma PVC ikomera cyangwa irushaho kwangirika uko igihe kigenda gihita. DOTP ikunze gutorwa iyo ari ngombwa ko pulasitiki igumana ubushyuhe bwinshi no kugumana pulasitiki igihe kirekire. Emeza icyo kirego ukoresheje ibizamini byo gusaza ubushyuhe no kugabanya ibiro bihuye n'ubushyuhe bwagenwe.
Kwimuka bishobora gutera uburibwe bwo hejuru, gusiga irangi, ibibazo byo kohereza inyandiko cyangwa gutakaza ubushobozi bwo koroherwa. Gukuramo bishobora kubaho iyo PVC ihuye n'amazi, isabune, amavuta, ibicanwa cyangwa ibintu bishongesha. DOTP ikunze kwitabwaho iyo hakenewe imbaraga zo guhangana neza, ariko ubushyuhe, igihe cyo gukoranaho, ubwinshi bw'ibinyabutabire bya pulasitiki n'ibikoresho biri hafi aho byose bigira ingaruka ku bisubizo.
Utwuma twombi dukoresha pulasitiki dushobora gushyigikira imikorere myiza y'ubushyuhe mu buryo bworoshye PVC . DOTP ikunze gusuzumwa aho gusaza ubushyuhe, kugabanya ibiro bike no koroha igihe kirekire ari byo by'ingenzi. Ku bukonje bukabije, ibyuma bishobora kuvanga pulasitiki y'ibanze na adipate cyangwa sebacate. Ku bijyanye no gukoresha insinga zikoresha ubushyuhe bwinshi, trimellitate yoroshye ishobora kuba ikwiriye kurushaho.
DOTP irasuzumwa cyane ku bijyanye n'insinga zoroshye PVC n'insinga bitewe n'uko zihuza amashanyarazi, ubushobozi bwo koroha no kuramba. Imvange irangiye igomba gukomeza kuba yujuje ibisabwa kugira ngo ikomeze gukomera, imbaraga za dielectric, gusaza ubushyuhe, kugumana imbaraga, kugumana uburebure no gukora neza kw'umuriro.
Ibiciro bya pulasitiki bigenda bitewe n'ibiribwa, akarere, ingano y'ibicuruzwa n'ibicuruzwa, bityo igiciro cya DOP-to-DOTP nticyizewe. Gereranya ikiguzi cyose cy'ibicuruzwa, umusaruro wo gutunganya, ingaruka zo gutsindwa, igihe ibicuruzwa bizamara, ibisabwa mu igeragezwa n'uburyo bwo kubona isoko aho kuba igiciro kuri toni yonyine.
Amamashini akoresha pulasitiki agenzura uburyo bworoshye, uburebure, kwihangana no kwifata mu bushyuhe buke muri firime yoroshye PVC . DOP ishobora gukoreshwa mu nganda zemewe, mu gihe DOTP irushaho gusuzumwa kuri firime zisaba kunozwa uburyo bwo kugumaho cyangwa zitari mu buryo bwo gushyiramo orthophthalate. Ibikoresho bya HSQY PVC firime yoroshye yo gucapa, hasi, amarido, kurinda no gukoresha mu nganda.
Imashini zikora insinga zigereranya ubushobozi bwo guhangana n’ingano y’amazi, gusaza kw’ubushyuhe, ubworoherane mu bushyuhe buke, imihindagurikire y’ikirere, imikoranire idashira n’umuriro ndetse no kuba zishobora gutunganywa. DOTP ni ikintu gikunze gukoreshwa mu gukoresha insinga zikora, mu gihe ibyuma byihariye bishobora gukenerwa kugira ngo ubushyuhe burusheho kwiyongera cyangwa ahantu hakomeye cyane.
Guhitamo pulasitiki bigira ingaruka ku bukonje bw'igitambaro, kwivanga, kumva ko hejuru, gushushanya, kudacikamo uduce duto, gucikamo igihu no gusaza. DOTP ishobora gusuzumwa aho uruganda rukeneye kwimuka gake, kugumana ubworoherane igihe kirekire cyangwa kugabanuka k'ingano ya orthophthalate.
PVC hasi hakenewe uburinganire mu guhuza, ubworoherane, uburinganire, imikorere yo kwangirika, intego zo gusohora imyuka yo mu nzu n'ikiguzi. DOTP ikunze kwitabwaho cyane mu buryo bugezweho bwo gushushanya hasi, cyane cyane iyo hakenewe amabwiriza adafite orthophthalate cyangwa ibisabwa mu kugura imyuka mike.
Ku miyoboro, imitako, gasket, imitako yo kwisiga, imitako ifunga na plastisol, guhitamo biterwa n'ubukana, ubwiyongere, uburyo ishyirwamo, kwimuka no kudahangana n'amazi cyangwa ubuso bugomba gufatirwamo. Ibizamini byo gukuramo ibintu byihariye birizewe kuruta ibivugwa muri rusange ko plastike imwe ihora ari nziza.
Ingufu PVC isanzwe iba irimo pulasitiki nke cyangwa nta na kimwe iba irimo kuko ubukomere n'ubudahangarwa bw'ibipimo biba bikenewe. Abaguzi ba urupapuro rukomeye PVC rugomba kwemeza niba ibicuruzwa bitarahinduwe, byarahinduwe gato cyangwa byarakozwe kugira ngo bikoreshwe mu buryo bworoshye.
Guhitamo neza biterwa n'imiterere y'igicuruzwa, ntabwo ari izina rya pulasitiki ryonyine. Koresha ubuyobozi bukurikira nk'aho ari ho uhera.
| Ibisabwa ku gicuruzwa | Amahitamo asanzwe yo gutangira | Impamvu |
|---|---|---|
| Inganda rusange zikoresha ikoranabuhanga riciriritse PVC aho DEHP yemewe | DOP ishobora gufatwa nk'iy'umuntu | Iterambere ry'ubukungu n'imikorere myiza ryashyizweho |
| Insinga cyangwa insinga zirinda umuriro | Suzuma DOTP | Imiterere y'amashanyarazi y'ingirakamaro n'uburyo ahoraho |
| Kugabanuka kw'ihindagurika cyangwa kugumana ubworoherane igihe kirekire | Suzuma DOTP | Akenshi bikunze gukoreshwa mu kugabanya ibiro no kugumana neza |
| Ubudahangarwa bwo kwimuka cyangwa gukuramo ibintu burushaho kwiyongera | Suzuma DOTP, hanyuma ugerageze | Imikorere iterwa n'ibikoresho byo gukoraho n'imiterere yabyo |
| Ibisobanuro byo kugura ibintu bitari orthophthalate | Suzuma DOTP | DOTP ishingiye kuri tereftalate aho kuba ishingiye kuri orthoftalate |
| Gufata ibiryo, ibikinisho, irerero ry'abana cyangwa ibikoresho by'ubuvuzi | Hitamo gusa nyuma y'isuzuma ry'amategeko | Icyiciro cyihariye n'ingingo irangiye bigomba kuba byujuje amategeko n'ibizamini bikurikizwa |
Mbere yo guhitamo, garagaza intego Ubukomere bw'inkombe, urwego rwa resin, uburyo bwo gupakira pulasitiki, uburyo bwo gutunganya, urwego rw'ubushyuhe bwa serivisi, ingano ntarengwa y'ubushyuhe, ingano ntarengwa yo kwimuka cyangwa gukuramo, amashanyarazi asabwa, impumuro nziza, igihe cy'ubuzima giteganijwe, isoko ry'aho ikoreshwa n'igiciro cyose cyo kuyitunganya.
DOTP ishobora gusimbura DOP mu bicuruzwa byinshi byoroshye PVC , ariko gusimbuza ku rwego rw'umusaruro bigomba gukurikira igerageza rigenzurwa aho gukurikiranya umuntu umwe umwe.
Sobanura ibanze: andika ingano ya DOP iriho ubu, ubukana bw'inkombe, imbaraga zo gukurura, uburebure, imyitwarire yo guhuza, ubukana n'igihe cyo gutunganya.
Kora igerageza rya laboratwari: Tangira hafi y'urwego rwa phr ruriho ubu, hanyuma uhindure umutwaro wa DOTP kugira ngo ugere ku bukomere n'imiterere ya mekanike by'ingenzi.
Reba uburyo bwo gutunganya: pima uburyo bwo kuvanga byumye, igihe cyo kuvanga, imbaraga, umuvuduko wo gusohora, igisubizo cya calendering cyangwa viscosity ya plastisol uko bikenewe.
Gerageza imikorere y'ikoreshwa rya nyuma: gereranya gusaza k'ubushyuhe, kugabanya ibiro, koroha kw'ubukonje, kwimuka, gukuramo, gushonga, ubushobozi bwo guhangana n'amashanyarazi n'impumuro ugereranije n'ibipimo by'umusaruro.
Suzuma iyubahirizwa ry’amategeko: genzura urwego rwa DOTP, indi nyongera yose n’ingingo irangiye ukurikije ibisabwa n’isoko.
Emeza ku murongo w'umusaruro: uzuza igenzura rigenzuwe mbere yo guhindura uburyo bwo gucuruza.
DEHP, ikiyobyabwenge gikunze kugurishwa nka DOP, kigaragara ku rutonde rw'abakandida b'ikigo cy'ubutabire cy'i Burayi n'urutonde rw'uburenganzira kubera uburozi bw'imyororokere n'imiterere y'imikorere y'imisemburo. Kinafite amabwiriza mu byiciro byihariye by'ibicuruzwa by'i Burayi. Amabwiriza ya EU RoHS agenga DEHP mu bikoresho bimwe bikoreshwa mu bikoresho by'amashanyarazi n'iby'ikoranabuhanga, hakurikijwe uko ibintu bingana n'ibyo umuntu yakwirengagiza.
Muri Leta Zunze Ubumwe za Amerika, Komisiyo ishinzwe umutekano w’ibicuruzwa bikoreshwa n’abaguzi ibuza ibikinisho by’abana n’ibikoresho byo kwita ku bana birimo DEHP irenga 0.1% mu gice cya pulasitiki gishobora kuboneka. Ibindi bihugu n’ibyiciro by’ibicuruzwa bikoresha imipaka itandukanye, impushya, inyandiko n’amategeko agenga ibizamini.
DOTP ifite imiterere itandukanye y’ibinyabutabire n’amabwiriza, ariko gukoresha DOTP ntibituma ibicuruzwa birangiye biba 'bitekanye,' ''igipimo cy’ibiribwa,' ''igipimo cy’ubuvuzi,' ''bitekanye ku bikinisho,' ''bidafite phthalate,' ''bikurikiza amategeko ya REACH' cyangwa 'bikurikiza amategeko ya RoHS.' Ibyo birego bisaba ibimenyetso by’igipimo cyihariye cy’ibikoresho, ipaki yuzuye y’inyongera, imiterere y’ibicuruzwa birangiye, ibintu birangiye n’isoko.
Inyandiko abaguzi bagomba gusaba: urupapuro rw'amakuru y'umutekano (SDS), urupapuro rw'amakuru ya tekiniki (TDS), icyemezo cy'isesengura (COA), umwirondoro nyawo w'ibinyabutabire n'inomero ya CAS, imenyekanisha ry'imiterere cyangwa ibintu bibujijwe, hamwe n'inyandiko zijyanye no kubahiriza ibisabwa. Gukoresha ibintu bikomeye bishobora gusaba kwimuka kw'abandi, gupimwa imiti cyangwa ibicuruzwa byarangiye.
Urutonde rw'abakandida ba ECHA: Bis(2-ethylhexyl) phthalate (DEHP)
Amerika C PS C: Ibisabwa kuri Phthalates n'ibibazo bikunze kubazwa
DOP ubusanzwe ni DEHP, pulasitiki ikoreshwa mu gushushanya. DOTP ni DEHT, pulasitiki ikoreshwa mu gushushanya. DOP ihabwa agaciro kubera ubushobozi n'igiciro byagaragaye mu gushushanya, mu gihe DOTP ikunze gutoranywa kubera kugabanuka kw'ihindagurika ry'ikirere, kugabanuka kw'ihindagurika ry'ikirere, kudahinduka kw'ikirere, imiterere y'amashanyarazi n'aho ishyirwa mu mwanya utari uwo.
Mu bucuruzi busanzwe, DOP ikunze kuvuga DEHP, cyangwa bis (2-ethylhexyl) phthalate, CAS 117-81-7. Kubera ko amagambo ahinnye ashobora kuba adahuye, banza wemeze izina ryuzuye ry'imiti n'inomero ya CAS mbere yo kugura.
Yego. DOTP na DEHT ni amazina asanzwe ya bis (2-ethylhexyl) terephthalate, CAS 6422-86-2. DEHT igaragaza neza imiterere ya 2-ethylhexyl terephthalate.
Muri rusange DOTP icuruzwa nk'idafite phthalate kuko atari orthophthalate nka DEHP. 'Iyikoresha pulasitiki idakoresha orthophthalate' ni yo isobanura neza ibikomoka kuri shimi. Ikirego icyo ari cyo cyose kidafite phthalate ku gicuruzwa cyarangiye kigomba gushyigikirwa n'ibisobanuro byagenwe n'uburyo bwo kugerageza.
DOTP iratoranywa cyane nk'ubundi buryo kuko DEHP igengwa n'amategeko akomeye. Ariko, umutekano uterwa n'ibyago, ubwiza, ingano n'ikoreshwa ryayo. Nta pulasitiki igomba kwitwa ko ifite umutekano ku isi yose nta bimenyetso byerekana ikoreshwa ryayo.
DOTP ishobora gusimbura DOP mu buryo bwinshi bworoshye PVC , ariko gusimbuza kimwe kuri kimwe ntabwo byemejwe. Igipimo, ibidahungabanya, ibyuzuza, ubushyuhe bwo gutunganya n'igihe cyo guhuza bishobora gukenera guhindurwa. Igeragezwa rya laboratwari n'iry'umusaruro mbere yo gusimbuza cyose.
DOTP ikunze gutoranywa kugira ngo habeho kugabanuka kw'ihindagurika ry'ikirere no kunoza imikorere yo gusaza kw'ubushyuhe, ariko ikintu cyose cya PVC ni cyo kigena umusaruro wa nyuma. Emeza imikorere ukoresheje ibizamini byo kugabanya ibiro, kugumana imbaraga, kugumana imbaraga no gusaza byihariye.
DOTP ikunze gukoreshwa mu nsinga zoroshye PVC n'insinga kuko ishobora gutanga ubushyuhe bw'amashanyarazi, ubworoherane n'ubudashira. Insinga irangiye igomba kuba yujuje ibisabwa ku nsinga, ubushyuhe, ibizamini by'amashanyarazi, ibizamini byo gusaza n'ibisabwa n'umuriro.
Kuba ibikenewe ntabwo ari ibintu byikora. Ingano yihariye ya DOTP n'ibicuruzwa byarangiye bigomba kuba byujuje urutonde rw'ibintu byiza, imipaka y'ibicuruzwa, imipaka y'ibicuruzwa byo kwimuka, ubwoko bw'ibiribwa, igihe cyo guhura n'ibiryo n'ubushyuhe ku isoko ry'ibicuruzwa.
DEHP-plasticized PVC ifite uburyo bwo gukoresha mu buvuzi bwa kera, ariko ubwo buryo bushobora kuba bukubiyemo gusuzuma ingaruka, gushyiraho ibirango, gushyira ibimenyetso ku bidukikije n'amabwiriza agenga. DOP ikoreshwa muri rusange ntigomba kugurishwa nk'urwego rw'ubuvuzi nta nyandiko zerekana ibikoresho, igikoresho n'isoko nyaryo.
Saba SDS, TDS, COA, izina ry'imiti, inomero ya CAS, ibisobanuro by'ubuziranenge n'amatangazo agenga. Ku bicuruzwa by'ingenzi, saba raporo z'ibizamini by'ibintu bibujijwe, kwimuka cyangwa ibyarangiye bihuye n'isoko ry'aho ibicuruzwa bijya.
DOP na DOTP byombi bishobora guhindura plastike PVC ikora neza, ariko bikemura ibibazo bitandukanye byo kugura no gukora. DOP ishobora gukomeza kuba ingirakamaro ku bicuruzwa byemewe kandi bihendutse mu nganda. DOTP akenshi iba ari yo itangira neza iyo igihe kirekire, imikorere y'amashanyarazi, kudakora neza kw'imihanda, igihe cyo kuyikoresha cyangwa se uburyo bwo kuyikoresha butari ingenzi.
Amahitamo meza ashingiye ku bukomere bw'intego, uburyo ikorwamo, ubushyuhe bwa serivisi, aho icukurwa, igihe cyose rizaba rihari, isoko ry'aho rijya n'ibizamini bikenewe. Suzuma inyandiko za tekiniki hanyuma wemeze imvange yose PVC mbere yo kuyikorera mu bucuruzi.
Kugira ngo ubone ubufasha bwo guhitamo urupapuro rwa PVC cyangwa firime yoroshye ya PVC , hamagara HSQY Plastic ubabwire ubwoko bw'igicuruzwa cyawe, ubunini, ingano, ubworoherane, uburyo bwo gutunganya, ubushyuhe bwa serivisi, isoko ry'aho ugiye gukorera n'ibisabwa kuyubahirizwa.
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