高硼硅玻璃產(chǎn)品的英文簡介

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1、關(guān)于玻璃產(chǎn)品的英文簡介高硼硅玻璃?BorosilicateglassBorosilicateglassisahighsilicateglasswithatleast5%boronoxidebowhandlethreadedrodwithatriangularshapedhandle.Borosilicateglassisaparticulartypeofglass,betterknownunderthebrandnamesPyrexn.派熱克斯玻璃（一種耐熱玻璃）andKimax.ItwasfirstdeveloedbyGermanglassmakerOttoSchottinthelate

2、19thcenturyandsoldunderthebrandname"Duran"in1893.AfterCorningcorningn.細(xì)粒透鏡v.使成粒狀（corn的ing形式）GlassWorksdevelopedPyrexin1924,itbecameasynonym['sin?nim]n.同義詞；同義字forborosilicateglassintheEnglish-speakingworld.Borosilicateglassistheoldesttypeofglasstohaveappreciableadj.可評估的；可感知的；相當(dāng)可觀的resistancetotherma

3、limpactvt.影響；撞擊；沖突；壓緊vi.沖擊；產(chǎn)生影響n.影響；效果；碰撞；沖擊力andhighertemperatures,alsohasexcellentresistancetochemicalattack.Inthisglassstructure,thefirsttocarrythePyrextrademark,someoftheSiO2isreplacedbyboricoxide.Borosilicateglasshasalowcoefficientofthermalexpansionandis,thus,suitedfortelescopemirrorsandotherp

4、recisionparts.Also,becausethisglasscanwithstandthermalshock,itisusedforovenandlaboratoryware,headlamp['hedl?mp]n.桅燈；照明燈；車前燈lenses,andboilergageglasses.Mostborosilicateglasseshavebetterresistancetoacidsthandosoda-lime堿石灰glasses,butpoorresistancetoalkalis'?lk?lai]n.堿；可溶性無機鹽adj.堿性的.Glassfibersusedinr

5、einforcingplasticcompounds['k?mpaund,k?m'paund]n.化合物；混合物；復(fù)合詞areamodifiedborosilicateglass.ChemicalCompositionSiO2=80%B2O3=13%Na2O+K2O=4.3%Al2O3=2.4%·PhysicalPropertiesCoefficientofexpansion(20°C–300°C)3.3x10-6K-1Density2.23g/cm3Refractiveindex折射率：(SodiumDline)1.474Dielectric[,daii'lektrik]adj.非傳導(dǎo)性

6、的；誘電性的n.電介質(zhì)；絕緣體constant電容率(1MHz,20°C)4.6Specificheat比熱(20°C)750J/kg°C導(dǎo)熱系數(shù)(20°C)1.14W/m°CPoisson’sRatio['rei?i?u,-??u]n.比率，比例地基應(yīng)力和變形泊松比(25°C–400°C)0.2Young’sModulus['m?djul?s,-d?u-]n.模數(shù)；系數(shù)彈性模量，楊氏系數(shù)(25°C)6400kg/mm2OpticalInformationRefractiveindex(SodiumDline)=1.474Visiblelighttransmission,透光率2mmthi

7、ckglass=92%Visiblelighttransmission,可見光穿透率5mmthickglass=91%CriticalTemperatures150°C-WhenworkingabovethistemperaturecareshouldbetakentoheatandcoolBorosilicateglassinaslowanduniformmanner.500°C-Themaximumtemperatu