Dab tsi yog qhov txawv ntawm PE yeeb nkab, PVC yeeb nkab, PP yeeb nkab thiab PB yeeb nkab? Cov yam ntxwv thiab ntsiab USES ntawm ntau cov kav xa dej sib luag:
1, PVC yeeb nkab
Muaj lub zoo tensile, compressive zog, tab sis nws yooj ywm dua lwm cov yas yeeb nkab, corrosion kuj zoo, nqe yog qhov pheej yig tshaj txhua hom yas kav, tab sis qhov kub tsis tshua muaj zog, nplaum qhov txuas, flange cov khoom cua txuas
Nws yog siv rau dej, kua, dej, roj, khoom siv pa, txoj hlua khi, cov yeeb nkab dej, cov yeeb nkab ua haujlwm, thiab lwm yam.
2, CPVC yeeb nkab
Cov khoom kub ua kom sov yog qhov zoo tshaj plaws, thermal deformation temperature yog 100 ℃, tshuaj lom neeg kuj ua haujlwm ntawm nplaum, flange threaded yeeb nkab dej kub.
3, PE yeeb nkab
Lub zog nyhav, qhov zoo toughness thiab cov tsis muaj kev tiv thaiv tsis zoo, tsis muaj tshuaj lom neeg, pheej yig zog, tab sis compressive zog, tensile zog yog kuj tsis thermal vuam, flange threaded txuas rau dej haus, cua daj cua dub, roj pipelines, industrial txhuam cov yeeb nkab.
4, PP yeeb nkab
Cov tshuaj tiv thaiv zoo, kev ua kom muaj zog loj, qhov tob hauv qhov kub, muaj qhov kub thiab txias, cov flange threaded tshuaj lim dej, dej hiav txwv, roj, thiab cov yeeb nkab xa, cov yeeb nkab siv rau hauv tsev hauv pem teb tsev sov.
5, ABS yeeb nkab
Zoo corrosion tsis kam, lub cev nyhav, kub kub siab tshaj PE, PVC, tab sis kim kim. Adhesion, flange thread txuas fais fab fittings nrog cov kav dej tsawg, kav dej, dej kav dej, underground cable kav, siab tiv thaiv kev kub ntxhov, thiab lwm yam.
6, PB yeeb nkab
Lub zog ntawm kev nruab nrab ntawm PE thiab PP, hloov tau ntawm LDPE thiab HDPE, nws tus cwj pwm zoo yog cov neeg ua haujlwm tsis zoo (khaub thuas), qhwv ib zaug ntxiv thiab tsis tu ncua, ua kom muaj kev kub ntxhov, tseem kub heev, txias thiab kub dej yeeb nkab, roj yeeb nkab, siab ntawm faus tub ceev xwm
7, GRP yeeb nkab
Kev txhuam zoo corrosion, lub cev nyhav, lub zog siab, kev kawm zoo, flange kev twb kev txuas, dav siv petrochemical pipeline thiab loj loj kom ntws cov yeeb nkab.
8, PPR yeeb nkab
PPR (pentatricopeptide repeats), kuj hu ua polyol copperymerization polypropylene (PPR) cov khoom muaj zoo toughness, siab zog, kev ua tau zoo heev, kev siab kub creep resistant kev kawm zoo, thiab muaj lub xeeb ceem ntawm copolymerization polypropylene siab transparency zoo, yuav dav siv cov kav dej, ntawv, khoom noj txhua hnub, khoom ntim, khoom siv hauv vaj hauv tsev thiab ntau hom kev nyias nyias.
PP-R kuj tseem hu ua polypropylene yeeb nkab thiab polyolopenic copolymerization polypropylene, uas muaj peev xwm muab extruded rau hauv cov khoom yeeb nkab uas siv polyol copolymerization polypropylene, thiab tseem siv tau raws li cov yeeb nkab haum. Polypropylene random copolymer kuj yog hom polypropylene, cov qauv ntawm nws cov saw polymer yog hloov los ntawm kev ntxiv ntau hom monomers. Ethylene yog ib qho siv ntau hom monomer, uas ua rau muaj kev hloov hauv lub cev nqaij daim tawv ntawm polypropylene. Piv homopolymer, cov tshuaj qia hlau ua haujlwm zoo dua qub (kev ua kom muaj zog thiab ua kom tsis muaj pa phem), ua kom tsis muaj zog, ua kom yooj yim dua, txo melting qhov kub, txo qhov kub kub tom qab kub; Nyob rau tib lub sijhawm, kev ruaj ntseg ntawm cov dej, kev siv dej ua kom tsis muaj pa thiab nqaij nruab nrog cev (qhov tsw tsw thiab dej qab) yeej zoo ib yam li homopolymer. Siv nyob rau hauv thaj teb ntawm tshuab molding, txhaj molding, zaj duab xis thiab ntawv extrusion processing, raws li cov zaub mov ntim zaub mov, cov ntaub ntawv kws tshuaj ntim thiab cov khoom siv txhua hnub.
