Abubuwan da ke buƙatar kulawa:

Sulfur-free takarda takarda ce ta musamman don aiwatar da tsarin jiyya na PCB, wanda aka adana a cikin ɗakin ajiya mai sanyi da iska mai iska, an tattara shi lafiyayye, nesa da hasken rana kai tsaye, nesa da tushen wuta da tushen ruwa, kuma an kiyaye shi daga babban zafin jiki, danshi da tuntuɓar su. ruwa (musamman acid da alkali)!

ƙayyadaddun bayanai

Nauyi: 60g, 70g, 80g, 120g.
Darajar Orthogonality: 787*1092mm.
Girman daraja: 898*1194mm.
Za a iya yanke bisa ga bukatun abokin ciniki.

Yanayin ajiya da rayuwar shiryayye.

Ajiye a cikin busasshen sito mai tsabta a 18 ℃ ~ 25 ℃, nesa da tushen wuta da tushen ruwa, kauce wa hasken rana kai tsaye, kuma rufe kunshin tare da tsawon rayuwar shekara guda.

Siffofin fasaha na samfurori.

1. sulfur dioxide ≤50ppm.
2. Gwajin tef ɗin manne: saman ba shi da faɗuwar gashi.

Aikace-aikace

Yafi amfani da azurfa-plated marufi, kamar kewaye allon, LEDs, kewaye allo, hardware tashoshi, abinci kariya articles, gilashin marufi, hardware marufi, bakin karfe rabuwar, da dai sauransu.

Me yasa kuke buƙatar takarda marar sulfur?

Kafin mu yi magana game da dalilin da ya sa ake amfani da takarda ba tare da sulfur ba, muna buƙatar magana game da abu "PCB" (allon kewayawa da aka buga) wanda ba shi da kariya ta sulfur-free paper-PCB shine goyon bayan kayan lantarki da kuma daya daga cikin muhimman abubuwan da ke cikin lantarki. masana'antu.Kusan kowane nau'in kayan lantarki, tun daga agogon lantarki da na'urori masu ƙididdigewa zuwa kwamfutoci da kayan sadarwa, suna buƙatar PCB don gane haɗin wutar lantarki tsakanin sassa daban-daban.

Babban jikin PCB shine jan karfe, kuma Layer na jan karfe yana saurin amsawa tare da iskar oxygen a cikin iska don samar da oxide mai launin ruwan kasa mai duhu.Domin kauce wa hadawan abu da iskar shaka, akwai wani tsari na ajiya na azurfa a PCB masana'antu, don haka PCB hukumar kuma ana kiranta da azurfa deposition board.Tsarin ajiya na azurfa ya zama ɗaya daga cikin hanyoyin jiyya na ƙarshe na PCB da aka buga.

Kwamitin da'ira na marufi ba tare da sulfur ba, amma ko da an karɓi tsarin ajiya na azurfa, ba gaba ɗaya ba tare da lahani ba:

Akwai babban alaƙa tsakanin azurfa da sulfur.Lokacin da azurfa ta haɗu da iskar hydrogen sulfide ko sulfur ions a cikin iska, yana da sauƙi don samar da wani abu mai suna silver sulfide (Ag2S), wanda zai gurɓata kushin haɗin gwiwa kuma ya shafi tsarin walda na gaba.Bugu da ƙari, sulfide na azurfa yana da wuyar gaske don narke, wanda ke kawo matsala mai yawa a tsaftacewa.Saboda haka, injiniyoyi masu hankali sun fito da hanyar da za su ware PCB daga sulfur ions a cikin iska da kuma rage hulɗar tsakanin azurfa da sulfur.Ita ce takarda marar sulfur.

Don taƙaitawa, ba shi da wahala a gano cewa manufar yin amfani da takarda marar sulfur kamar haka:

Na farko, takardar da ba ta da sulfur kanta ba ta ƙunshi sulfur ba kuma ba za ta mayar da martani tare da shimfiɗar ajiyar azurfa a saman PCB ba.Yin amfani da takarda marar sulfur don kunsa PCB zai iya rage hulɗar tsakanin azurfa da sulfur yadda ya kamata.

Na biyu, takardar da ba ta da sulfur kuma na iya taka rawar keɓewa, da guje wa abin da ke tsakanin ɗigon jan ƙarfe a ƙarƙashin ɗigon ajiyar azurfa da iskar oxygen a cikin iska.

A cikin hanyar haɗin zabar takarda marar sulfur, akwai ainihin dabaru.Misali, takarda mara sulfur tana buƙatar biyan buƙatun ROHS.Babban ingancin sulfur-free takarda ba wai kawai ya ƙunshi sulfur ba, har ma yana kawar da abubuwa masu guba kamar chlorine, gubar, cadmium, mercury, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers, da dai sauransu, wanda ya cika da bukatun EU. ma'auni.

Dangane da juriya na zafin jiki, takarda dabaru yana da dukiya ta musamman don tsayayya da babban zafin jiki (kimanin digiri Celsius 180), kuma ƙimar pH na takarda ba shi da tsaka tsaki, wanda zai iya kare kayan PCB mafi kyau daga iskar oxygen da rawaya.

Lokacin shiryawa tare da takarda ba tare da sulfur ba, ya kamata mu mai da hankali ga daki-daki, wato, kwamitin PCB tare da fasaha na azurfa ya kamata a shirya shi nan da nan bayan an samar da shi, don rage lokacin hulɗa tsakanin samfurin da iska.Bugu da kari, lokacin da ake tattara allon PCB, dole ne a sa safar hannu marasa sulfur kuma kada a taɓa saman da aka yi wa lantarki.

Tare da karuwar buƙatun PCB marasa gubar a Turai da Amurka, PCB tare da fasaha na azurfa da kwano ya zama babban jigon kasuwa, kuma takardar da ba ta da sulfur na iya ba da tabbacin ingancin azurfa ko kwano PCB.A matsayin wani nau'i na takarda masana'antu kore, takarda mara amfani da sulfur zai zama mafi shahara a kasuwa, kuma ya zama madaidaicin marufi na PCB a cikin masana'antu.

Dalilan amfani da takarda marar sulfur.

Dole ne ku sa safar hannu marasa sulfur lokacin taɓa allon da aka yi da azurfa.Dole ne a raba farantin azurfa da sauran abubuwa ta takarda marar sulfur yayin dubawa da sarrafawa.Yana ɗaukar sa'o'i 8 don kammala allon nutsewar azurfa daga lokacin fita layin nutsewar azurfa zuwa lokacin marufi.Lokacin shiryawa, dole ne a raba allon platin azurfa daga jakar marufi tare da takarda maras sulfur.

Akwai babban alaƙa tsakanin azurfa da sulfur.Lokacin da azurfa ta ci karo da iskar hydrogen sulfide ko ions sulfur a cikin iska, yana da sauƙi a samar da gishirin azurfa da ba za a iya narkewa ba (Ag2S) (gishiri na azurfa shine babban ɓangaren argentite).Wannan canjin sinadarai na iya faruwa a cikin ƙaramin adadi.Domin azurfa sulfide yana da launin toka-baki, tare da ƙaruwar halayen, sulfide na azurfa yana ƙaruwa kuma yana kauri, kuma launin azurfa a hankali yana canzawa daga fari zuwa rawaya zuwa launin toka ko baki.

Bambanci tsakanin takarda marar sulfur da takarda na yau da kullum.

Yawancin lokaci ana amfani da takarda a rayuwarmu ta yau da kullun, musamman a kowace rana lokacin da muke ɗalibai.Takarda wani siriri ce da aka yi da zaren shuka, wanda ake amfani da shi sosai.Takardar da ake amfani da ita a fagage daban-daban ta bambanta, kamar takardar masana'antu da takardar gida.Takardar masana'antu kamar ta bugu, takarda mara sulfur, takarda mai shayarwa, takarda nade, takarda kraft, takarda mai hana ƙura, da dai sauransu, da takaddun gida kamar littattafai, napkins, jaridu, takarda bayan gida, da sauransu. Don haka a yau. bari mu bayyana bambanci tsakanin masana'antar sulfur kyauta takarda da takarda gama gari.

Takarda mara sulfur

Takarda marar sulfur takarda ce ta musamman da ake amfani da ita a cikin tsarin silbarin PCB a cikin masana'antun hukumar da'ira don guje wa halayen sinadarai tsakanin azurfa da sulfur a cikin iska.Ayyukansa shine sanya azurfa cikin sinadarai da kuma guje wa halayen sinadarai tsakanin azurfa da sulfur a cikin iska, wanda ke haifar da rawaya.Ba tare da sulfur ba, zai iya guje wa rashin amfani da abin da ke faruwa tsakanin sulfur da azurfa.

A lokaci guda kuma, takardar da ba ta da sulfur kuma tana guje wa halayen sinadarai tsakanin azurfa a cikin samfurin lantarki da sulfur a cikin iska, wanda ke haifar da launin rawaya na samfurin.Sabili da haka, lokacin da samfurin ya ƙare, ya kamata a haɗa samfurin da takarda maras sulfur da wuri-wuri, kuma a sa safofin hannu marasa sulfur lokacin da aka tuntuɓar samfurin, kuma kada a tuntuɓi filin lantarki.

Halayen takardar da ba ta da sulfur: takarda marar sulfur tana da tsabta, ba ta da kura kuma ba ta da guntu, ta cika buƙatun ROHS, kuma baya ƙunshi sulfur (S), chlorine (CL), gubar (Pb), cadmium (Cd), mercury (Hg), chromium hexavalent (CrVI), biphenyls polybrominated da polybrominated diphenyl ethers.Kuma za a iya fi amfani da PCB kewaye hukumar lantarki masana'antu da hardware electroplating masana'antu.

Bambanci tsakanin takarda marar sulfur da takarda na yau da kullum.

1. Takarda maras sulfur na iya guje wa halayen sinadaran tsakanin azurfa a cikin samfuran lantarki da sulfur a cikin iska.Takarda ta yau da kullun ba ta dace da takarda na lantarki ba saboda datti da yawa.
2. Takarda ba tare da sulfur ba zai iya hana tasirin sinadarai da kyau tsakanin azurfa a cikin pcb da sulfur a cikin iska lokacin da ake amfani da shi a masana'antar pcb.
3. Takarda maras sulfur na iya hana ƙura da kwakwalwan kwamfuta, kuma ƙazanta a saman masana'antar lantarki za su yi tasiri ga tasirin lantarki, kuma ƙazanta a cikin da'irar pcb na iya rinjayar haɗin kai.

Ana yin takarda ta yau da kullun da zaren shuka, kamar itace da ciyawa.A albarkatun kasa na sulfur-free takarda ba kawai tsire-tsire zaruruwa ba, amma kuma wadanda ba shuka zaruruwa, kamar roba zaruruwa, carbon fibers da karfe zaruruwa, don kawar da sulfur, chlorine, gubar, cadmium, mercury, hexavalent chromium, polybrominated. biphenyls da polybrominated diphenyl ethers daga takarda.Don gyara wasu kurakurai na takarda mai tushe, yana da amfani don inganta ingancin takarda da cimma manufar inganta haɗin gwiwa.