Ko muna so mu haɓaka adhesives ko siyan adhesives, yawanci muna ganin cewa wasu adhesives za su sami takaddun shaida na ROHS, takaddun shaida na NFS, da kuma yanayin yanayin zafi na adhesives, thermal conductivity, da dai sauransu, menene waɗannan suke wakilta? Haɗu da su da siway a ƙasa!
Menene ROHS?
ROHS misali ne na wajibi wanda dokokin Tarayyar Turai suka haɓaka, cikakken sunansa shine Jagora akanƘuntata Abubuwa masu haɗari a cikin kayan lantarki da lantarki. Za a fara aiwatar da wannan ƙa'idar a hukumance a ranar 1 ga Yuli, 2006, galibi ana amfani da ita don daidaita ka'idoji da ka'idoji na kayan lantarki da na lantarki, ta yadda zai fi dacewa ga lafiyar ɗan adam da kare muhalli. Manufar ma'auni shine don kawar da gubar, mercury, cadmium, hexvalent chromium, polybrominated biphenyl da polybrominated biphenyl ethers a cikin motoci da kayan lantarki, kuma mayar da hankali kan abun ciki na gubar kada ya wuce 1%.
Menene NSF? Menene FDA? Menene banbancin su?
1. NSF ita ce taƙaitaccen Turanci na Gidauniyar Kiwon Lafiya ta Amurka, wacce ƙungiya ce mai zaman kanta ta ɓangare na uku. Ya dogara ne akan ka'idodin ƙasa na Amurka, ta hanyar haɓaka ƙa'idodi, gwaji da tabbatarwa, gudanar da takaddun shaida da takaddun tantancewa, ilimi da horo, bincike da sauran hanyoyin tabbatarwa da kula da samfuran da fasahar da suka shafi lafiyar jama'a da muhalli. .
2. Game da takaddun shaida na NSF, Gidauniyar Kiwon Lafiya ta Kasa (NSF) ba hukumar gwamnati ba ce, amma ƙungiyar sabis mai zaman kanta mai zaman kanta. Manufarsa ita ce inganta ingancin rayuwar jama'a. NSF ta ƙunshi ƙwararrun kiwon lafiyar jama'a da tsafta, gami da hukumomin gwamnati, jami'o'i, masana'antu da ƙungiyoyin masu amfani. Ayyukanta suna mayar da hankali kan saita ƙa'idodin haɓakawa da gudanarwa don duk samfuran da ke da tasiri kan tsafta, lafiyar jama'a, da sauransu. Duk masana'antun da ke shiga da son rai waɗanda suka wuce binciken NSF na iya haɗa alamar NSF akan samfurin da wallafe-wallafe game da samfurin don nuna tabbaci.
3, Kamfanoni masu shedar NSF, wato kamfanonin NSF, kamar kayan aikin gida, magunguna, abinci, lafiya, ilimi da sauransu. Samfurin yana da alaƙa da nau'in daidai. Hukumar Abinci da Magunguna ta Amurka (FDA) ɗaya ce daga cikin hukumomin zartarwa da gwamnatin Amurka ta kafa a cikin Sashen Lafiya da Ayyukan Jama'a (DHHS) da Ma'aikatar Kiwon Lafiyar Jama'a (PHS). Kungiyar ba da takardar shaida ta NSF kungiya ce mai ba da riba ta kasa da kasa ta ba da takardar shaida ta ɓangare na uku, tana da tarihin shekaru 50, galibi tsunduma cikin lafiyar jama'a da aminci da ka'idodin kiwon lafiya da aikin takaddun shaida na samfuran abinci, yawancin ka'idodin masana'anta ana mutunta su sosai a duniya, kuma a Amurka ana daukarsa a matsayin ma'auni. Yana da ma'aunin masana'antu mafi iko fiye da takaddun FDA na Hukumar Abinci da Magunguna ta Amurka.
Menene SGS? Menene dangantakar dake tsakanin SGS da ROHS?
SGS shine gajartawar Societe Generale de Surveillance SA, wanda aka fassara da "General Notary Firm". An kafa shi a cikin 1887, a halin yanzu shine mafi girma kuma mafi tsufa a duniya kamfani na ɓangare na uku masu zaman kansu masu zaman kansu da ke aiki da ingancin samfura da ƙimar fasaha. Babban hedkwata a Geneva, yana da rassa 251 a duniya. ROHS shine umarnin EU, SGS na iya yin gwajin samfuran samfuri da takaddun tsarin bisa ga umarnin ROHS. Amma a gaskiya, ba wai rahoton SGS kawai aka gane ba, akwai wasu hukumomin gwaji na ɓangare na uku, kamar ITS da sauransu.
Menene thermal conductivity?
Thermal watsin yana nufin ƙarƙashin barga yanayin canja wurin zafi, 1m lokacin farin ciki abu, da zafin jiki bambanci a bangarorin biyu na surface ne 1 digiri (K, ° C), a cikin 1 hour, ta wurin 1 murabba'in mita na zafi canja wurin, naúrar. shi ne watt/mita · digiri (W/(m·K), inda K za a iya maye gurbinsa da ℃).
Ƙarƙashin zafi yana da alaƙa da tsarin abun da ke ciki, yawa, abun ciki na danshi, zafin jiki da sauran abubuwa na kayan. Kayan aiki tare da tsarin amorphous da ƙananan yawa suna da ƙananan ƙarancin zafi. Lokacin da abun ciki na danshi da zafin jiki na kayan sun yi ƙasa, ƙarancin zafin jiki yana da ƙananan.
Menene RTV?
RTV ita ce taqaitaccen “Room Temperature Vulcanized Silicone Rubber” a turance, ana kiranta da “room temperature vulcanized silicone rubber” ko “room temperature cured silicone roba”, wato ana iya warkar da wannan robar ta siliki a yanayin zafin daki (insulators na roba suna da yawa). zafin jiki vulcanized silicone roba). RTV antifouling flashover shafi yana da maraba da yawa daga masu amfani da tsarin wutar lantarki don ƙarfin ƙarfin ikonsa na hana walƙiya, rashin kulawa da tsari mai sauƙi, kuma an haɓaka cikin sauri.
Menene UL? Wadanne maki ne UL ke da shi?
UL takaice ne don Underwriter Laboratories Ins. Matsayin konewa na UL: Flammability Matsayin UL94 shine mafi girman ƙimar flammability da ake amfani da shi don kayan filastik. Ana amfani da shi don kimanta iyawar abu ya mutu bayan an kunna shi. Dangane da saurin ƙonawa, lokacin ƙonawa, juriya na drip da ko digon yana ƙonewa na iya samun hanyoyin tantancewa iri-iri. Ana iya samun ƙima da yawa don kowane abu a ƙarƙashin gwaji dangane da launi ko kauri. Lokacin da aka zaɓi kayan samfur, ƙimar UL ɗin sa yakamata ya dace da ƙimar retardant na sassa na filastik daga HB, V-2, V-1 zuwa V-0: HB: mafi ƙarancin ƙarancin ƙarancin wuta a cikin ma'aunin UL94. Don samfurori 3 zuwa 13 mm lokacin farin ciki, ƙimar konewa ya kasance ƙasa da 40 mm a minti daya; Don samfurori da ke ƙasa da 3 mm lokacin farin ciki, ƙimar ƙonawa ta kasa da 70 mm a minti daya; Ko kashe a gaban alamar 100 mm.
V-2: Bayan gwaje-gwaje biyu na konewa na 10 na biyu akan samfurin, ana iya kashe harshen wuta a cikin daƙiƙa 60, kuma wasu abubuwan konewa na iya faɗuwa.
V-1: Bayan gwaje-gwajen konewa na biyu na 10 na biyu akan samfurin, ana iya kashe harshen wuta a cikin daƙiƙa 60, kuma babu wani abin ƙonewa da zai iya faɗi.
V-0: Bayan gwaje-gwajen konewa na biyu na 10 na biyu akan samfurin, ana iya kashe harshen wuta a cikin daƙiƙa 30, kuma babu abubuwan da zasu iya faɗuwa.
Waɗannan su ne abubuwan da aka sani na gama gari game da adhesives da siway, Shanghai Siway Building Materials Co., Limited aka kafa a 1984, A halin yanzu, yana da ISO9001: 2015 kasa da kasa ingancin tsarin takardar shaida da ISO14001 muhalli tsarin management takardar shaida da sauran takaddun shaida.
Lokacin aikawa: Janairu-10-2024