Kaya tikufuna kupanga zomatira kapena kugula zomatira, nthawi zambiri timawona kuti zomatira zina zimakhala ndi certification ya ROHS, certification ya NFS, komanso kutentha kwa zomatira, matenthedwe amafuta, ndi zina zambiri, izi zikuyimira chiyani? Kumanani nawo ndi siway pansipa!
Kodi ROHS ndi chiyani?
ROHS ndi mulingo wovomerezeka wopangidwa ndi malamulo a European Union, dzina lake lonse ndi Directive paKuletsa Zinthu Zowopsa pazida zamagetsi ndi zamagetsi. Muyezowu udzakhazikitsidwa mwalamulo pa Julayi 1, 2006, womwe umagwiritsidwa ntchito makamaka poyang'anira zinthu ndi kukonza miyezo yamagetsi ndi zamagetsi, kuti ukhale wothandiza kwambiri paumoyo wa anthu komanso kuteteza chilengedwe. Cholinga cha muyezo ndikuchotsa lead, mercury, cadmium, hexvalent chromium, polybrominated biphenyls ndi polybrominated biphenyl ethers muzinthu zamagalimoto ndi zamagetsi, ndikuwunika zomwe zili mu lead zisapitirire 1%.
Kodi NSF ndi chiyani? FDA ndi chiyani? Kodi pali kusiyana kotani pakati pawo?
1. NSF ndi chidule cha Chingerezi cha National Health Foundation ya United States, yomwe ndi bungwe lachitatu lopanda phindu. Zimakhazikitsidwa pamiyezo ya dziko la United States, popanga miyezo, kuyesa ndi kutsimikizira, kasamalidwe ka satifiketi ndi zolemba zowunikira, maphunziro ndi maphunziro, kafukufuku ndi njira zina zowonetsetsa ndikuyang'anira zinthu ndi matekinoloje okhudzana ndi thanzi la anthu komanso chilengedwe. .
2. Pankhani ya chiphaso cha NSF, National Health Foundation (NSF) si bungwe la boma, koma bungwe lopanda phindu lachinsinsi. Cholinga chake ndikukweza moyo waumoyo wa anthu. NSF imapangidwa ndi akatswiri azaumoyo ndi ukhondo, kuphatikiza mabungwe aboma, mayunivesite, mafakitale ndi magulu ogula. Ntchito yake ikuyang'ana pa kukhazikitsa miyezo ya chitukuko ndi kasamalidwe kazinthu zonse zomwe zimakhudza ukhondo, thanzi la anthu, ndi zina zotero. NSF ili ndi labotale yokwanira yomwe imayesa zinthu zonse zoyesedwa kuti zigwirizane ndi miyezo yoyendera. Onse opanga nawo mwakufuna kwawo omwe amapita kukayezetsa kwa NSF amatha kuyika chizindikiro cha NSF pazogulitsa ndi mabuku okhudzana ndi malondawo kuti awonetse chitsimikizo.
3, makampani ovomerezeka a NSF, ndiko kuti, makampani a NSF, monga zida zapakhomo, mankhwala, chakudya, thanzi, maphunziro ndi zina zotero. Chogulitsacho chikugwirizana ndi gulu lofanana. United States Food and Drug Administration (FDA) ndi amodzi mwa mabungwe akuluakulu okhazikitsidwa ndi boma la United States mkati mwa dipatimenti ya zaumoyo ndi ntchito za anthu (DHHS) ndi dipatimenti ya zaumoyo wa anthu (PHS). Bungwe la certification la NSF ndi bungwe lopanda phindu lachitatu padziko lonse lapansi la certification, lili ndi mbiri yazaka 50, makamaka lomwe limagwira ntchito pazaumoyo wa anthu ndi chitetezo ndi thanzi komanso ntchito yotsimikizira zazakudya, miyezo yake yambiri yamakampani imalemekezedwa padziko lonse lapansi, ndipo ku United States kumawonedwa ngati muyezo. Ndiwovomerezeka kwambiri pamsika kuposa chiphaso cha FDA cha US Food and Drug Administration.
Kodi SGS ndi chiyani? Kodi pali ubale wotani pakati pa SGS ndi ROHS?
SGS ndi chidule cha Societe Generale de Surveillance SA, chotanthauzidwa ngati "General Notary Firm". Yakhazikitsidwa mu 1887, pakadali pano ndi kampani yayikulu kwambiri padziko lonse lapansi komanso yakale kwambiri padziko lonse lapansi yachitatu yomwe imagwira ntchito bwino komanso luso laukadaulo. Lili ku Geneva, lili ndi nthambi za 251 padziko lonse lapansi. ROHS ndi malangizo a EU, SGS imatha kuyesa certification yazinthu ndi certification system molingana ndi ROHS Directive. Koma kwenikweni, osati lipoti la SGS lokha lomwe limadziwika, pali mabungwe ena oyesa a chipani chachitatu, monga ITS ndi zina zotero.
Kodi matenthedwe matenthedwe ndi chiyani?
Thermal conductivity imatanthawuza pansi pa kutentha kosasunthika kwa kutentha, 1m wandiweyani wa zinthu, kusiyana kwa kutentha kumbali zonse za pamwamba ndi 1 digiri (K, ° C), mu ola limodzi, kupyolera mu dera la 1 mita imodzi ya kutentha, unit. ndi watt/mita · digiri (W/(m·K), pomwe K angasinthidwe ndi ℃).
Kutentha kwamafuta kumagwirizana ndi kapangidwe kake, kachulukidwe, chinyezi, kutentha ndi zinthu zina zakuthupi. Zida zokhala ndi mawonekedwe aamorphous ndi otsika kachulukidwe zimakhala ndi otsika matenthedwe madutsidwe. Pamene chinyezi ndi kutentha kwa zinthuzo kuli kochepa, kutentha kwa matenthedwe kumakhala kochepa.
Kodi RTV ndi chiyani?
RTV ndiye chidule cha "Room Temperature Vulcanized Silicone Rubber" m'Chingerezi, yotchedwa "room temperature vulcanized silicone rabara" kapena "firiji yochiritsa silikoni mphira", ndiye kuti, mphira wa silikoni uyu amatha kuchiritsidwa pamikhalidwe yotentha (zopangira zopangira zopangira zimakhala zapamwamba). kutentha vulcanized silikoni mphira). Kupaka kwa RTV antifouling flashover kwalandiridwa kwambiri ndi ogwiritsa ntchito mphamvu zamagetsi chifukwa champhamvu yake yolimbana ndi kusokoneza flashover, kusakonza komanso njira yosavuta yokutira, ndipo yapangidwa mwachangu.
UL ndi chiyani? Kodi UL ali ndi magiredi otani?
UL ndi yachidule ya Underwriter Laboratories Ins. UL Combustion Grade: Flammability Gulu la UL94 ndilomwe limagwiritsidwa ntchito kwambiri pakupanga zinthu zapulasitiki. Amagwiritsidwa ntchito poyesa kuthekera kwa chinthu kufa pambuyo poyaka. Malinga ndi liwiro loyaka, nthawi yoyaka, kukana kudontha komanso ngati dontho likuyaka lingakhale ndi njira zingapo zowunikira. Makhalidwe ambiri atha kupezeka pachinthu chilichonse choyesedwa malinga ndi mtundu kapena makulidwe. Zomwe zimapangidwira zikasankhidwa, kalasi yake ya UL iyenera kukumana ndi magawo apulasitiki oletsa moto kuchokera ku HB, V-2,V-1 mpaka V-0: HB: giredi yotsika kwambiri yalawi lamoto mu muyezo wa UL94. Kwa zitsanzo 3 mpaka 13 mm wandiweyani, kutentha kwa moto kumakhala kosakwana 40 mm pamphindi; Kwa zitsanzo zosakwana 3 mm wandiweyani, kutentha kwake kumakhala kosakwana 70 mm pamphindi; Kapena kuzimitsa kutsogolo kwa chizindikiro cha 100 mm.
V-2: Pambuyo pa mayesero awiri a 10-sekondi imodzi pa chitsanzo, lawi likhoza kuzimitsidwa mumasekondi 60, ndipo zoyaka zina zimatha kugwa.
V-1: Pambuyo pa mayesero awiri a 10-sekondi imodzi pa chitsanzo, lawi likhoza kuzimitsidwa mumasekondi a 60, ndipo palibe zoyaka zomwe zingagwe.
V-0: Pambuyo pa mayesero awiri a 10-sekondi imodzi pa chitsanzo, lawi likhoza kuzimitsidwa mumasekondi a 30, ndipo palibe zoyaka zomwe zingagwe.
Izi ndi mfundo zodziwika bwino za zomatira zomwe zimagawidwa ndi siway, Shanghai Siway Building Materials Co., Limited idakhazikitsidwa mu 1984, Pakalipano, ili ndi ISO9001: 2015 yapadziko lonse lapansi yovomerezeka yapadziko lonse lapansi komanso chitsimikizo cha ISO14001 kasamalidwe ka chilengedwe ndi ziphaso zina.
Nthawi yotumiza: Jan-10-2024