Tupu anyị abanye na nkọwapụta, ka anyị buru ụzọ chọpụta ihe e ji mee ihe nke ọ bụla. PPR bụ mbiri nke polypropylene random copolymer, ebe CPVC bụ chlorinated polyvinyl chloride nke a na-emepụta site na usoro chlorination na polyvinyl chloride.
PPR bụ usoro ọkpọkọ a na-ejikarị na Europe, Russia, South America, Africa, South Asia, China na Middle East, ebeCPVCa na-ejikarị eme ihe na India na Mexico. PPR dị mma karịa CPVC ọ bụghị n'ihi nnabata ya zuru oke, ọ dịkwa mma maka mmiri ọñụñụ.
Ugbu a, ka anyị nyere gị aka ịme mkpebi dị nchebe, ghọta ihe kpatara ọkpọkọ CPVC adịghị mma yana ihe kpatara ị ga-eji họrọ.PPR ịkwụ ụgwọ.

Plastic ọkwa nri:
Ọkpụkpọ PPR enweghị ihe ndị na-emepụta chlorine ma dị mma maka ahụ mmadụ, ebe usoro ọkpọkọ CPVC nwere chlorine, nke nwere ike kewaa ma gbazee n'ime mmiri n'ụdị vinyl chloride ma gbakọta n'ime ahụ mmadụ.
N'ọnọdụ ụfọdụ, a chọtara leaching n'ihe gbasara ọkpọkọ CPVC n'ihi na ha nwere ike na-adịghị ike ma na-achọ ihe mgbaze kemịkalụ, ebe ọkpọkọ PPR na-ejikọta ọnụ site na ikpo ọkụ na-egbochi ọkpọkọ na ike siri ike. Ndị agha jikọtara ọnụ na-eduga n'ụdị ntapu ọ bụla. United States emeela ọtụtụ ọmụmụ gbasara mwepu nke ihe ndị dị ize ndụ dị ka chloroform, tetrahydrofuran na acetate n'ime mmiri ọñụñụ.CPVC pipeline.

Ihe mgbaze ejiri na CPVC na-etinye ahụike gị n'ihe egwu:

Kọmịshọna azụmaahịa California Pipeline na-ahụ maka nyochaa mmetụta ahụike nke sistemu ọkpọkọ ma bụrụ ụlọ ọrụ asambodo plumber na California, USA. Ọ na-akwadokarị mmetụta dị egwu nke ihe mgbaze eji jikọọ ọkpọkọ CPVC. Achọpụtara na ihe mgbaze ahụ nwere ihe ndị na-akpata ọrịa carcinogenic na ụmụ anụmanụ ma na-ewere ya na ọ nwere ike imerụ mmadụ. N'aka nke ọzọ, ọkpọkọ PPR adịghị achọ ihe mgbaze ọ bụla ma jikọta ya site na nkà na ụzụ na-agbaze ọkụ, n'ihi ya, ha enweghị kemịkal na-egbu egbu.

Pipeline PPR bụ azịza dị mma:
A na-eji ọkpọkọ KPT PPR mee ihe dị elu, ọkwa nri, na-agbanwe agbanwe, siri ike, ma nwee ike iguzogide okpomọkụ nke -10°C ruo 95°C. KPT PPR ọkpọkọ nwere ogologo ndụ ọrụ, nke enwere ike iji ihe karịrị afọ 50.