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PTFE vs Silikoon
Silicones, oo sidoo kale loo yaqaan polysiloxanes, waa polymers oo ay ku jiraan wax kasta oo aan shaqeynin, iskudhaf synthetic oo ka kooban unugyo siloxane ah oo soo noqnoqda, taas oo ah silsiladda atomyada silikoon ee beddelka ah iyo atamka oksijiinta, oo inta badan lagu daro kaarboon iyo/ama hydrogen.Waxay caadi ahaan u adkaystaan kulaylka iyo caag u eg...Akhri wax dheeraad ah -
Alaabooyinka PTFE ee New York & Soo-saareyaasha / Alaabta
Gobollada sidoo kale si buuxda looma qeexi karo iyadoo ay ugu wacan tahay adeegsiga af-yaqaanka ah ee calaamadaha gobolka.Waaxda Horumarinta Dhaqaalaha ee Gobolka New York waxay bixisaa laba qeexitaan oo kala duwan oo gobolladan ah;waxay u kala qaybisaa gobolka toban gobol oo dhaqaale ah, kuwaas oo qiyaas ahaan u dhigma ereybixinnada ay adeegsadaan dadka deggan...Akhri wax dheeraad ah -
PTFE vs Perfluorooctanoic Acid (PFOA)
Perfluorooctanoic acid (PFOA) (conjugate perfluorooctanoate), oo sidoo kale loo yaqaan C8, waa karboksylic acid perfluorinated synthetic iyo fluorosurfactant.Mid ka mid ah codsiyada warshadaha ayaa ah sida surfactant ee polymerization emulsion ee fluoropolymers.Waxaa loo adeegsaday soo saarista prom-ka noocan oo kale ah.Akhri wax dheeraad ah -
PTFE vs Rubber
PTFE waa caddaan dabiici ahaan.Markaa taasi waa erey aan badnayn.Noocyada kale ee polymer-ka sida FEP iyo PFA ayaa aad u hufan;ma cadda.PTFE waa ka adkaysi badan kiimiko marka loo eego celceliska elastomerkaaga baabuurta sida neoprene iyo EPDM.Taasi waa "ka wanaagsan."Kabadhku si fiican ayuu u yaraadaa ka hor inta aanu dhicinAkhri wax dheeraad ah -
Alaabta PTFE ee Pennsylvania & Soo-saareyaasha Mashiinnada / Alaabta
Pennsylvania, waa gobol ku yaal waqooyi-bari iyo gobollada dhexe-Atlantic ee Mareykanka.Buuraha Appalachian waxay maraan dhexda.Dawlada dhexe waxay xuduud la leedahay Delaware dhanka koonfur bari, Maryland dhanka koonfureed, West Virginia dhanka koonfur-galbeed, Ohio dhanka galbeed, harada Erie iyo Kana...Akhri wax dheeraad ah -
PTFE vs LDPE
Cufnaanta hoose ee polyetylen (LDPE) waa heerkulbeeg laga sameeyay monomer ethylene.Waxay ahayd fasalka koowaad ee polyetylen, oo ay soo saartay 1933-kii by Imperial Chemical Industries (ICI) iyada oo la adeegsanayo habka cadaadiska sare ee polymerization-ka xorta ah.EPA waxay ku qiyaastay 5.7% LDPE dib loo warshadeeyay.Inkastoo comp...Akhri wax dheeraad ah
