Abubuwa Biyar da za a Tabbatar Kafin Neman Tayin Farashi na Polyether Polyol

Buƙatar polyether polyol tayin farashi ya kamata ta fayyace amfani da aka yi niyya kuma ta samar da tushe mai daidaito don kwatanta bayanan fasaha. Takaitaccen bayani game da buƙatu wanda ya shafi aikace-aikacen, halayen fasaha da yanayin gwaji, sigar takardu, samfuran kimantawa da buƙatun isarwa yana taimaka wa ƙungiyoyin siye, ƙungiyoyin bincike da haɓakawa da masu samar da kayayyaki su yi aiki zuwa ga manufa ɗaya.

Bayyana aikace-aikacen da kayan da za a saya

"Muna buƙatar polyether polyols" na iya fara tattaunawa, amma har yanzu bai bayyana jagoran samfurin ba. Da farko bayyana ko kayan don kumfa mai tsauri ne ko mai sassauƙa, menene samfurin da aka gama, da kuma ko kuna buƙatar tushe polyether polyol ko haɗin da aka tsara. Kundin kasida na MENGWEI na yanzu ya lissafa polyols masu ƙarfi da sassauƙa. Rukunin sassauƙan ya haɗa da daidaitattun polyols masu sassauƙa-kumfa, polyols masu ƙarfin juriya da POP graft polyols. [1]

Don sabon aiki, a samar da yanayin aikace-aikacen da ake nufi da kayan aiki. Don tsari da ake da shi, a bayyana ko abin da kake mayar da hankali a kai shine halayen sarrafawa, kaddarorin samfurin da aka gama ko shirye-shiryen samarwa. Lokacin da kake magana game da nau'in samfurin da ke akwai, a ba da bayanan fasaha da aka ba ka izinin rabawa; Cikakken tsari ba lallai ne ya zama abin da ake buƙata don buƙatar farko ta tayin farashi ba.

Kwatanta kadarori tare da yanayin gwajinsu

Yi rikodin ƙimar hydroxyl, adadin ƙungiyoyin aiki masu amsawa, dankowa (viscosity) da buƙatun abun cikin ruwa a cikin taƙaice iri ɗaya, riƙe raka'a, yanayin gwaji da hanyoyin kowane halayyar fasaha. Misali, Dow's da aka samu a bainar jama'a polyether polyol yana da alaƙa da ƙimar hydroxyl, dankowa (viscosity) da abun ciki na ruwa tare da hanyoyin gwaji daban-daban kuma yana ƙayyadad da zafin ma'aunin dankowa (viscosity). [2]

Ba da kulawa ta musamman ga dankowa (viscosity) lokacin kwatanta takardu guda biyu: mutum na iya bayar da rahoton kinematic dankowa (viscosity) a cSt, yayin da wani yana amfani da mPa·s. Idan sunan sifa na fasaha, raka'a ko zafin jiki ya bambanta, tambayi ma'aikatan fasaha don tabbatar da hanyar kwatanta maimakon jeri alkaluman kadai. Don maye gurbin ɗanyen kayan aiki, jera bambance-bambance tsakanin takaddun kuma gano ƙarin ingantaccen da ake buƙata.

Raba ƙimar yau da kullun daga ƙayyadaddun kayan da aka amince da su

Karanta ƙididdiga a cikin takardar bayanan fasaha tare da kanun tebur da bayanan ƙasa. Daftarin Dow yana bayyana bayanansa azaman halayen kayan abu na yau da kullun, yana faɗin cewa bai kamata a kula da su azaman ƙayyadaddun bayanai ba, kuma yana tambayar masu amfani don tabbatar da su ta gwajin nasu. [2] Don haka buƙatun tayin farashi ya kamata ya nemi takardar bayanan fasaha na samfur daban daban, ƙayyadaddun ƙayyadaddun wadatattun kayayyaki da cikakkun bayanan dubawa, tare da tabbatar da kwanan wata takarda da sigar.

Kada a ɗauki jerin kasida da suka shafi samfura da yawa a matsayin alƙawarin isarwa ga wani nau'in samfuri. Kafin samarwa, a yarda a rubuce kan iyakoki, hanyoyin gwaji da kuma sharuɗɗan karɓa don abubuwan dubawa da ake buƙata. A riƙe bayanan asali na bayanin da aka haɗa zuwa bayanin da aka yi niyya kawai don tallafawa zaɓin samfurin farko.

Yarda da kimanta samfurin da ra'ayoyinku a gaba

Lokacin shirya samfura, ƙididdige yawa, nau'in kayan aiki, yanayin ƙira da abubuwan ƙima. Rubutun gwaji na iya haɗawa da lambobin samfur na kayan abu da lambobi, rabon haɗe-haɗe, yanayin yanayi, yanayin haɗawa da yanayin ƙirƙira, don haka kowane sakamako ana iya haɗa shi da takamaiman aiki.

Kiyaye abubuwan lura daban da bayanan da aka auna a cikin martani kuma faɗi yanayin gwajin. Idan duka albarkatun ƙasa da yanayin sarrafawa sun canza, yin rikodin wannan don taimakawa bangarorin biyu su tattauna ƙarin tabbatarwa. Dace da samar da kasuwanci har yanzu yana buƙatar kimantawa daidai da bukatun aikin.

Cika buƙatun marufi da isarwa

Baya ga bayanan fasaha, don Allah a bayar da tsarin amfani, shirye-shiryen odar gwaji, marufi da aka fi so, wurin isarwa da kuma ranar isowar da ake so. Don ayyukan fitarwa, a kuma ƙayyade wurin da za a je da kuma takardun da ake buƙata don ɓangarorin biyu su yarda kan sharuɗɗan samarwa da isarwa. Cikakken bayani game da buƙatar tayin farashi yana taimakawa wajen samar da zaɓuɓɓuka masu kama da juna.

Samfuran da tambayoyi masu alaƙa

Fara da nazarin MENGWEI's Rigid Polyether Polyols da Flexible Polyether Polyols. Yi amfani da Lambobi don raba aikace-aikacen, mahimman buƙatun da amfani da aka tsara, da tattauna bayanan da suka dace da matakan ƙima na gaba.

Tushen Bayani

1. MENGWEI Polyether Polyols & PU Building Blocks: nau'ikan samfuran kasida; tabbatar da takamaiman kadarori da iyakokin samarwa daban.
2. Takardar bayanai ta fasaha ta Dow VORANOL CP 4711: takarda 400-00101430en, bita 2011-08-23. An yi amfani da shi kawai don kwatanta filayen takardar bayanai, yanayin gwaji da iyakokin ƙima na yau da kullun. Bai kafa aikin MENGWEI ba, daidaito, alaƙar hukuma ko takardar shaida.

An duba tushe: 2026-10-13.