An rarraba Resin PVC ta K-darajar su, mai nuna nauyin kwayoyin halitta da matakin polymerization.
• K70-75 sune manyan resins na darajar K wanda ke ba da mafi kyawun kayan aikin injiniya amma sun fi wahalar aiwatarwa.Suna buƙatar ƙarin filastik don laushi iri ɗaya.Babban aiki na kebul na rufi a cikin resin dakatarwa da riguna masu tauri don Conveyor belts, Flooring Masana'antu da makamantan manyan aikace-aikace na ƙarshe a cikin maki Manna wasu shahararrun aikace-aikace ne.Shi ne mafi tsada.
• K65-68 su ne matsakaicin guduro darajar K waɗanda suka fi shahara.Suna da ma'auni mai kyau na Mechanical Properties da processibility.UPVC (Ba a yi amfani da shi ba ko PVC mai tsauri) an yi shi ne daga ƙananan maki mai ƙarfi yayin da Aikace-aikacen Filastik suka fi yin su daga mafi ƙarancin maki.Akwai zaɓi mai yawa da yawa yayin da suke kula da Mafi yawan aikace-aikacen PVC.Saboda girman girman wannan dangin na PVC resins ana farashi mafi ƙasƙanci.
• K58-60 ƙananan kewayon K-darajar ne.Kaddarorin injina sune mafi ƙasƙanci, amma sarrafawa shine mafi sauƙi.Yawancin wahalar aiwatar da aikace-aikace kamar gyare-gyaren allura, gyare-gyaren busa da Fim ɗin marufi da share fakitin Kalanda an yi su daga ƙananan ƙimar K.Farashi sun fi Resins Matsakaici K.
• K50-55 resins ne na musamman waɗanda aka kera don wasu aikace-aikace masu buƙata.Abubuwan ban sha'awa sune Resins na Batir da kuma haɗawa da resins da ake amfani da su tare da Manna guduro Grade don rage farashi.Sarrafa shine mafi sauƙi.
Kamar yadda PVC shine 56% Chlorine, yana ɗaya daga cikin ƴan polymers waɗanda ke kashe kansu, kamar yadda Chlorine ke da ƙarfi mai hana wuta.
Menene darajar K a cikin PVC?
K - Ƙimar ma'auni ne na digiri na polymerization ko adadin monomers a cikin sarkar PVC ko nauyin kwayoyin halitta.Tunda % na PVC a cikin fina-finai da zanen gado sun fi yawa, ƙimar K tana taka muhimmiyar rawa.K - Darajar yana da tasiri akan kaddarorin resin PVC, aiki da kaddarorin samfur.7.
Menene guduro PVC k67?
Budurwar PVC Resin (K -67), wacce aka fi sani da PVC, ita ce polymer na uku mafi yadu da ake samarwa, bayan polyethylene da polypropylene.Ana amfani da madaidaicin nau'in PVC a cikin gini don bututu da aikace-aikacen bayanan martaba kamar kofofi da tagogi.
Menene resin PVC?
Poly Vinyl Chloride Resin ko PVC Resin kamar yadda aka fi sani da shi, Guduro ne na thermoplastic wanda za'a iya yin laushi akan sake dumama.Kalma na gama gari na wannan kayan polymer shine Vinyl.Sau da yawa samuwa a cikin nau'i na foda, PVC granules suna da matukar tsayayya ga oxidisation da lalata lalacewa ta hanyar yanayin yanayi.
Menene darajar K?
K-darajar ita ce gajeriyar hannu don ƙayyadaddun yanayin zafi.Ƙunƙarar zafin jiki, n: ƙimar lokacin tsayayyen yanayin zafi yana gudana ta cikin yanki na yanki na kayan abu mai kama da wanda ke haifar da gradient zafin naúrar a cikin kwatance daidai da wancan yanki.
Yaya ake lissafin ƙimar k?
Ana iya yin lissafin su kamar 1 / (adadin tsayayya da yadudduka daban-daban na kashi (R-dabi'unsa) + juriya da hanyoyin ciki da waje na kashi).
Akwai nau'ikan PVC daban-daban?
Akwai nau'ikan bututun PVC guda biyu na kowa - jadawalin 40 PVC da jadawalin 80 PVC.Jadawalin 40 PVC yawanci fari ne a launi kuma jadawalin 80 yawanci launin toka ne (ana kuma iya samun su a cikin wasu launuka).Babban bambancin su, ko da yake, shine a cikin zane.Jadawalin bututu 80 an tsara shi tare da bango mai kauri.
Menene UPVC ake amfani dashi?
UPVC, wanda kuma aka sani da Unplasticized Polyvinyl Chloride, kayan gini ne mai ƙarancin kulawa da ake amfani da shi azaman madadin itacen fenti, galibi don firam ɗin taga da sills lokacin shigar da glazing sau biyu a cikin sabbin gine-gine, ko don maye gurbin tsoffin tagogi guda ɗaya.
Ta yaya kuke lissafin ƙimar k?
Don ƙididdige ƙimar K-Value na rufi, kawai raba kauri (a cikin inci) ta R-Value.
Menene darajar K?
K-darajar ita ce gajeriyar hannu don ƙayyadaddun yanayin zafi.Ƙunƙarar zafin jiki, n: ƙimar lokacin tsayayyen yanayin zafi yana gudana ta cikin yanki na yanki na kayan abu mai kama da wanda ke haifar da gradient zafin naúrar a cikin kwatance daidai da wancan yanki.Wannan ma'anar da gaske ba ta da rikitarwa.
Menene K a cikin danko?
K darajar (dankowa), siga ne na ƙwaƙƙwaran da ke da alaƙa da ɗanɗano na ciki, galibi ana bayyana shi ta hanyoyi daban-daban a cikin masana'antu daban-daban don bayyana ƙimar tushen danko na kididdigar ƙwayoyin ƙwayoyin cuta na kayan polymeric da aka yi amfani da su musamman don PVC.
Menene tsarin sinadarai don PVC?
PVC shine polyvinyl chloride.Wannan robobi ne wanda ke da dabarar sinadarai kamar haka: CH2=CHCl (duba hoto a dama).Filastik yana rufe babban fushin samfuran roba ko Semi-synthetic polymerization (watau dogon sarkar carbon tushen “kwayoyin halitta”) wanda sunan yana nufin gaskiyar cewa a cikin rabin ruwa…
Menene halayen sinadarai na PVC?
Ana yin PVC ta amfani da tsarin da ake kira ƙari polymerization.Wannan halayen yana buɗe ɗakuna biyu a cikin vinyl chloride monomer (VCM) yana barin ƙwayoyin maƙwabta su haɗu tare ƙirƙirar ƙwayoyin sarƙoƙi masu tsayi.nC2H3Cl = (C2H3Cl) n vinyl chloride monomer = polyvinylchloride
Menene kaddarorin jiki na PVC?
Kaddarorin jiki da na injiniya: PVC polymer ne mai atactic don haka da gaske uncrystalized.Duk da haka, wani lokacin yana faruwa cewa, a cikin gida, a kan gajeren sassan sarkar, PVC syndiotactic ne kuma yana iya ɗaukar lokaci na crystalline, amma kashi kashi kashi bai wuce 10 zuwa 15% ba.Girman PVC shine 1.38 g / cm3.
Lokacin aikawa: Afrilu-07-2022