2026-07-24
Maqaalkani waxa uu isbarbar dhigayaa saxnaanta saddexda habab ee tijaabinta shahaado daawaynta ee xabagta cadaadiska-silicone-ka. Soo saarista millatariga (jeelka ku jira) waxa uu cabbiraa jajabka shabkada ee aan la milmi karin iyada oo loo sii marayo soo saarista Soxhlet - qiimaynta xad-dhaafka ah ee ay ugu wacan tahay qaybo jidh ahaan isku xidhan oo la qalday sida isku xidhka, saxnaanta ± 2-5%, saxnaanta kiimikaad ee ugu hooseeya. DSC waxay cabbirtaa kulaylka falcelinta haraaga ah (α = 1-ΔHresidual / ΔHtotal) - lagu kalsoonaan karo beddelka hoose ee dhexdhexaadka ah laakiin aad buu u sarreeyaa beddelka sare sababtoo ah kooxaha haraaga ah ee xaddidan ee faafinta, dib-u-celinta <± 2%.
Sii akhri
2026-06-18
Qallajintu waa tallaabo muhiim ah oo wax-soo-saarka dharka heerkulka sare leh ee PTFE. Cilladaha caadiga ah waxaa ka mid ah: dildilaaca (qallajinta degdega ah, maqaarka oogada), guuritaanka dahaarka (qaybaha u guuraan dusha sare, curaarta gudaha oo daciif ah), godad/finan (hawo ku xayiran ama uumi), dhibco cad iyo jeexid ( guuritaanka dusha sare ama fiyuuska aan dhamaystirnayn), jaalle/kuleyl (kuleyl dheeri ah oo lagu daro), delamination ( diiqad yaraynaysaa way ka badan tahay adhesion), heerka qallayl ee orange qoyan gudaha (maqaarka dabinka qoyaanka), iyo geesaha qaro weyn (saamaynta kafee-garab). Xalku waxay ku lug leeyihiin astaamaha qallajinta la kantaroolo, hawo-siin habboon, iyo ka-hortag ka-hortag substrate ah.
Sii akhri
2026-06-12
Dharka heerkulka sare ee PTFE waxaa si weyn loogu isticmaalaa warshadaha kiimikada ee toddobada codsiyo muhiim ah: flange gaskets iyo dahaarka tuubooyinka (iska caabiya acids / alkalis xoog leh), reactor iyo dahaarka taangiga (hortagga daxalka birta, nadiifinta fudud), bacaha filter gaaska daxalka ah (ilaa 260 ° C), kala-goysyada ballaarinta maro koronto, anti-padssion. daboolka dahaadhka. FDA iyo UL darajooyin la heli karo.
Sii akhri
2026-06-02
Walaxaha dhamaystiraya dusha sare ee lagu dabaqay maro fiberglass ka hor dahaadhka PTFE ayaa muhiim u ah waxqabadka ugu dambeeya ee PTFE heerkul sare. Wakiilada isku-xidhka Organosilane waxay abuuraan buundooyin molecular oo u dhexeeya fiber galaas ah iyo PTFE organic, kor u qaadaya xoogga diirka <2 N/cm ilaa 4-8+ N/cm. Daawaynta saxda ah waxay sidoo kale wanaajisaa caabbinta kulaylka (260°C+), waxqabadka dielectric, iyo caabbinta kiimikada. Dharka aan la daweynin waxay horseedaa delamination, xumbo, iyo nolol adeeg oo gaaban.
Sii akhri