低煙無（低）鹵阻燃、耐火電線電纜

Low-smokeno（low）-halogenflameretardatory

fireresistancewire&cable1產(chǎn)品使用場所的分級(jí)及選用 Gradeandchoosefortheusinglocation1.1低煙無（低）鹵使用場所應(yīng)根據(jù)建筑物的使用特性、火災(zāi)危險(xiǎn)性、疏散和撲救難度等分為特級(jí)、一級(jí)、二級(jí)、三級(jí)，并符合表1-1規(guī)定。Low-smokefree/low-halogentypesdividesintofourkinds,specialclass,firstclass,secondclass,thirdclassaccordingtotheusingproperty,firedamageandevacuation&extinguishmentdifficulty.Meanwhile,italsocomplieswiththerequirementofTable1-1.表1-1Table1-1等級(jí)Grade使用場所Usingplace特級(jí)Specialclass建筑高度超過100m的高層民用建筑（超高層住宅除外）Thehigh-riseresidentialbuildingwithstructuralheightexceeded100m（exceptsuperhigh-riseuptown）建筑高度超過100m的高層住宅Thehigh-riseresidencewithstructuralheightunder100m一級(jí)Firstclass建筑高度不超過100m的高層民用建筑Thehigh-risecivilbuildingwithheightunder100m一類建筑(一類建筑的住宅除外)Firsttypebuilding(excepttheresidentialzone)建筑高度不超過24m的民用建筑和建筑高度超過24m的單層公共建筑Thecivilbuildingwithheightunder24mandsingle-floorpublicbuildingwithheightunder24m1.200床及以上的病房樓，每層建筑面積1000m2及以上的門診樓；sickroombuildingwith200-bedorabove,clinicbuildingwitheachstructuralareafloorof1000m2orabove;每層建筑面積3000m2以上的百貨樓、展覽樓、高級(jí)旅館、財(cái)貿(mào)金融樓、電信樓、高級(jí)辦公樓；shoppingbuilding,exhibitionbuilding,seniorhotel,financialbuilding,communicationbuilding,seniorofficebuildingwitheachstructuralareafloorof1000m2orabove;藏書超過100萬冊的圖書館、書庫；librarywithmorethan1millionbooks;超過3000座位的體育館；gymnasiumwithmorethan3000seats;重要的科研樓、資料檔案樓；importantresearchbuildingorarchivesbuilding;市級(jí)的郵政樓、廣播電視樓、電力調(diào)度樓、防災(zāi)指揮調(diào)度樓、車站旅客候車室、民用機(jī)場候機(jī)室；civicpostbuilding,broadcast&TVbuilding,electricalpowercontrolcenter,commanding&controllingbuildingforguardagainstblast,stationwaitingroom,andcivilairfieldwaitingroom;重點(diǎn)文物保護(hù)場所；emphasesculturalrelic;大型以下的影劇院、會(huì)堂、禮堂；

large-sizedcinema,showplace,auditoriumandhall;9.建筑面積在2000m2及以上公共娛樂場所。publicentertainmentplacewithstructuralareamorethan200m2.地下民用建筑Undergroundcivilbuilding地下鐵道及地下鐵道車站；subwayanditsstation;地下影劇院、禮堂；undergroundcinemaandhall;使用面積超過1000m2的地下商場、醫(yī)院、旅館、展覽廳及其他商業(yè)后公共活動(dòng)場所；undergroundshop,hospital,hotel,exhibitionhallandothercommercialorpublicplacewithusingareamorethan1000m2;重要的實(shí)驗(yàn)室和圖書、資料、檔案庫。importantlab,library,andmunimentroom續(xù)表1-1Extendtable1-1等級(jí)Grade使用場所Usingplace二級(jí)Secondclass建筑高度不超過100m的高層民用建筑Thecivilbuildingwithstructuralareanotmorethan100m一類建筑的住宅residenceofthefirsttypebuilding二類建筑(二類建筑的住宅除外)secondtypebuilding(excepttheresidence)建筑高度不超過24m的民用建筑Thecivilbuildingwithstructuralareanotmorethan24m每層建筑面積超過2000m2但不超過3000m2的商業(yè)樓、財(cái)貿(mào)金融樓、電信樓、展覽樓、旅館、辦公室、車站、海河客運(yùn)站、航空港等公共建筑及其他商業(yè)或公共活動(dòng)場所；businessbuilding,fincialbuilding,communicationbuilding,exhibitionbuilding,hotel,officebuilding,station,ocean/riveshippingstation,airportandothercommercialorpublicplacewitheachfloorstructuralareafrom2000m2to3000m2;區(qū)縣級(jí)的郵政樓、廣播電視樓、電力調(diào)度樓、防災(zāi)指揮調(diào)度樓；postbuilding,broadcast&TVbuilding,electricalpowercontrolcenter,commanding&controllingbuildingforguardagainstblastindistrictorcounty;中型以下的影劇院；undermedium-sizedcinemaandshowplace;圖書館、書庫、檔案樓；lab,library,andmunimentroom;建筑面積在200m2以下的公共娛樂場所。publicentertainmentplacewithstructuralareaunder200m2地下民用建筑Undergroundcivilbuilding長度超過500m的城市隧道；tunnelwithlengthmorethan500m;使用面積不超過1000m2的地下商場、醫(yī)院、旅館、展覽廳及其他商業(yè)或公共活動(dòng)場所。undergroundshop,hospital,hotel,exhibitionhallandothercommercialorpublicplacewithusingareanotmorethan2000m2.三級(jí)Thirdclass不屬于特級(jí)、一級(jí)、二級(jí)的其他民用建筑Theothercivilbuildingthatnotbelongtospecial,firstandsecondclass1.2低煙無（低）鹵電線電纜成束敷設(shè)時(shí)，應(yīng)采用阻燃電線電纜，阻燃級(jí)別選擇應(yīng)符合表1-2、1-3,在外部火勢作用下，需保持線路完整性、維持通電的場所，其線路應(yīng)采用耐火電線電纜。

Whentheyarelayingincolligation,thelow-smokefree/low-halogenwiresandcablesshouldbeflame-retardancytypeswhosegradescomplywithTable1-2andTable1-3.Ifthelocationneedsintegratedlinesandconstantelectricityundertheoutsidefire,theyshouldbefireresistancetypes.電線的阻燃級(jí)別選擇Table1-2thegradechoicetotheflame-retardancypropertyofelectricalwires試用場所Applicableplace電線截面Sectionarea阻燃級(jí)別Flame-retardancygrade特級(jí)50mm2及以上50mm2andaboveB級(jí)BclassSpecialclass35mm2及以下35mm2andbelowC級(jí)Cclass一級(jí)50mm2及以上50mm2andaboveC級(jí)CclassFirstclass所有截面AllareaD級(jí)Dclass二級(jí)、三級(jí)Secondclass、Thirdclass所有截面AllareaD級(jí)Dclass表1-3電纜的阻燃級(jí)別選擇Table1-3thegradechoicetotheflame-retardancypropertyofcables適用場所Applicableplace阻燃級(jí)別Flame-retardancygrade特級(jí)A級(jí)SpecialclassAclass一級(jí)B級(jí)FirstclassBclass二級(jí)、三級(jí)C級(jí)Secondclass、ThirdclassCclass2.2產(chǎn)品技術(shù)性能Technicalproperty2.1電線電纜導(dǎo)體正常運(yùn)行時(shí)的最高溫度及短路時(shí)（最長持續(xù)時(shí)間不超過5s）最高溫度:Themaximumtemperatureofthenormaloperatingcableconductororshortcircuit（shouldnotpersistfor5seconds）:交聯(lián)聚乙烯絕緣為90°C，熱塑性低煙無鹵聚烯烴絕緣為80°C，短路時(shí)最高溫度不超過250C；90CforXLPEinsulatedtype,80Cforthermoplasticlow-smokelow-halogenpolyolefininsulatedtype,andnotmorethan250Casshortcircuit;輻照交聯(lián)型聚乙烯絕緣為105C，短路時(shí)最高溫度不超過250C。105Cforirradiatedcross-linkedPEinsulatedtype,andnotmorethan250Casshortcircuit.2低煙無（低）鹵電纜的安裝條件及允許連續(xù)載流量均與相應(yīng)非低煙無（低）鹵型號(hào)規(guī)格電纜電線相同。Theinstallationconditionsandallowableconstantcarryingcapacityofthelow-smokefree/low-halogencablesareassameasthecorrespondingnon-free/low-halogenones.

2.3電纜電線在燃燒時(shí)具有低煙、無鹵、阻燃和耐火性能，具體指標(biāo)如表1-4。Thecableshavethepropertiesoflowsmoke,freehalogen,flameretardancyandfireresistance.ThedetailseesTable1-4.表1-4Table1-4序號(hào)Sequ