protective glasses

honggarae 19/12/2021 891

Classification

Ordinaryopticalglasslens
ThelensismadeofordinaryopticalglasstopreventturningandgrindingMechanicalinjuriesofworkers,millers,drillers,boringworkers,riveters,sandcleaners,andsculptors,aswellasacidandalkaliburnsfromacidandalkalioperations,tests,andsampling,aswellasdriversandsurgeonstopreventforeignobjectsfromenteringtheeyes.
Sunglasses
Alsoknownassunglasses,thetransmittanceofvisiblelightisabout20%,anditabsorbsultravioletandinfraredrays.better.Therearelightgreen,lightgray,lightteaandothercolors,usedtomakesun-shadingandsnowworkprotectiveglasses.Amongthem,lightgraylenseshavetheleasteffectoncolorrecognition;lightteaglassesmaketheblueskylookdarkerandreducethetransmissionofgreenlight;lightgreenlensesreducethetransmissionofredlight.
Gogglesforgaswelding
Thecolorantsusedinthislensaremainlyironoxide,cobaltoxide,etc.,whichareyellowGreen,itcanabsorballlightwaveswithwavelengthsbelow500urn,thetransmittanceofvisiblelightisbelow1%,andonlyasmallamountofinfraredrayscanpassthrough.Thiskindofglassesisspeciallyusedforweldingingasweldingoperation.
Gogglesforelectricwelding
UltravioletraysgeneratedbyelectricweldingcancausecorneaandconjunctivawhenirradiatedtotheeyeballforashorttimeTissuedamage(28nmlightisthemostserious).Thestronginfraredraysproducedcaneasilycauseopacityoftheeyelens.Weldinggogglescanblocktheaboveinfraredandultravioletraysverywell.Thiskindoflensisbasedonopticalglassandusescoloringagentssuchasironoxide,cobaltoxideandchromiumoxide.Inaddition,acertainamountofceriumoxideisaddedtoincreasetheabsorptionofultravioletrays.Theappearanceisgreenoryellow-green.Itcanblockallultravioletrays,theinfraredtransmittanceis<5%,andthevisiblelighttransmittanceisabout0.1%.
Protectiveglassesagainstsoliddebris
Mainlyusedtoprotecttheeyesfrommetalorsandandgraveldebrisdamage.Thespectaclelensesandspectacleframesshouldbestronginstructureandresistanttoshocks.Thereshouldbeventingholesaroundtheframe.Protectivelensescanbetemperedglass,glue-bondedglassorcopperwiremeshprotectiveglasses.
Protectiveglassesagainstchemicalsolutions
Chemicaleyedamagereferstoacid-baseliquidsorCorrosivesmokeenteringtheeyescancausecornealburns,suchasusingsodiumhydroxide,operatingcalciumoxidetanks,transportingpipescontainingcorrosiveliquidsorgases,splashingcyanideornitriteduringmetalquenching,etc.Protectiveglassesagainstchemicalsolutionsaremainlyusedtoprotecttheeyesfromchemicaldamagecausedbyirritatingorcorrosivesolutions.Ordinaryflatlensescanbeused,andtheframeshouldbecoveredtopreventthesolutionfromsplashing.Usuallyusedinlaboratories,hospitalsandotherplaces,generalmedicalglassescanbeuseduniversally.
Anti-ultravioletmirror
Intheopticalglassismeltedintotheultravioletabsorbingchemicals,theabsorptionrateofvisiblelightandultraviolethigh.Accordingtotheneedsofdifferenttypesofwork,thelensesarerespectivelyinstalledontheframe,maskorhelmet.Thereareweldingmirrorsmadeofliquidcrystal,whichcanturnblackin0.001~0.002swhenexposedtostronglight,whichprotectsweldingoperatorsfromelectro-opticophthalmia.
Hightemperatureresistantprotectiveglasses
Thelensismadeofhightemperatureresistantglass,whichcanabsorbsomeinfraredraysandisusedforsmeltingoperations.Furnaceworkers,furnaceworkers,blacksmiths,firewatchers,casters,glassworkers,etc.
Radiationprotectiveglasses
Pbisaddedtoopticalglassforx-rays,gammarays,alpharays,β-rayoperators.
Microwaveprotectiveglasses
Microwaveisanelectromagneticwavewithawavelengthofabout1nm-1M.ItcanalsocausehumansHarm,especiallytheeyes.Undertheactionofstrongmicrowaves,itcancauseeyefatigue,dryeyesanddizziness,andcanevencauselensopacity,cataractsandretinaldamage.Thedamageofmicrowavetohumaneyesismainlyduetotheturbidityofthelenscausedbythethermaleffect,leadingtotheoccurrenceof"cataract".Therearemanyapplicationsoflasersinindustry,medicaltreatment,andscientificresearch.Ifthelaserisprojectedontheretina,itcancauseburns.Laserslargerthan0.1mWcancausebleeding,proteincoagulation,melting,andpermanentblindness.Itsprotectionistospraytintetrachlorideonthesurfaceofthelensandametalcompoundthatcanimproveconductivity.Itistoaddaverythinlayerofstannousmetalpowderontheoutersurfaceoftheopticalglasstoformamultilayerconductivefilmonthesurfaceofthelens.Totheroleofshieldingmicrowave.Becausethemicrowavecanbypassthelensandentertheeye,theframeofthelensshouldalsobeshieldedtopreventthedamagetotheeyecausedbythemicrowave.
Laser-proofmirror
Itistopreventlaserradiationtotheglasses.TheshapeisgogglesandthelensesmustbeenclosedTypeorsemi-enclosedframetopreventthelaserfrombypassingthelensandenteringtheeye.Thelensismostlymadeofpolymersyntheticmaterialsandcanbereplaced.Accordingtotheprincipleofanti-laserradiation,anti-laserglassesaredividedintoreflectiontype,absorptiontype,reflectionabsorptiontype,explosivetype,photochemicalreactiontypeandcolor-changingglass-ceramictype,etc.,whichcanbeusedasprotectiveglassesforlaseroperators.Therequirementsforlensesareveryhigh,suchastheselectionoflightsource,attenuationrate,lightresponsetime,opticaldensity,lighttransmissioneffect,etc.,differentnanometer(nm)lasersrequirelensesofdifferentwavelengthbands.

Mattersneedingattention

Thegogglesselectedshouldbeproductsthathavepassedtheinspectionoftheproductinspectionagency.
Thewidthandsizeofthegogglesshouldbesuitableforthefaceoftheuser.
Removethelenswithbothhands,holditgently,andifitistotemporarilyplacetheglasses,placethelenswiththeconvexsurfacefacing.
Whenyouarenotwearingglasses,pleasewraptheminaglassesclothandputthemintheglassescase.Whenstoring,pleaseavoidcorrosivesubstancessuchasinsectrepellents,toiletproducts,cosmetics,hairsprays,medicines,etc.Contactwithobjects,otherwiseitwillcausedeterioration,deterioration,anddiscolorationoflensesandframes.
Ifthelensiswornrough,frayed,theframeisdeformed,damaged,thescrewisloose,thelensisalsoeasytoloosen,andtheframeisnottightortight,youshouldadjustitintime.Iftheabovephenomenonoccurs,thedeformationoftheframewillcauseaburdenonthenoseorears,whichwillaffecttheeyesightofthewearer.Itshouldbereplacedintime.Itisrecommendedtogotoaprofessionalstoreforplasticadjustmentonaregularbasis.
Thecoatedlenshashighdefinition,andshouldnotbeexposedtoorganicsolvents,oils,sweatacid,hightemperature,chemicalsandhardobjects,otherwisethelensfilmwillbeeasilydamaged,whichwillaffecttheclarityandappearance.
Itisrecommendednottouselensesthathavebeenscratched,stained,cracked,etc.,otherwisethescatteredlightwillleadtounclearvisionandlossofvision.
Pleasedonotleaveitathightemperature(above60℃)foralongtime.Hightemperaturewilleasilycauselensdeformationorsurfacefilmcracks.Pleasedonotplaceitonthefrontwindowofthecab,etc.Placesexposedtodirectsunlightorhightemperaturestoavoiddamagetothelens.
Themetalframeshouldavoidcontactwithchemicalstopreventthecoatingfrompeelingoffanddiscoloring.
Preventheavyfallsandheavypressure,andpreventhardobjectsfromrubbingagainstthelensandmask.
Useacleanspeciallenscleaningcloth.Besuretoholdtheframeedgewireonthesideofthewipinglenswithyourhand,andgentlywipethelens.Avoidexcessiveforcecausingdamagetotheframeorlens.
Drywipingiseasytogrindthelens.Itisrecommendedtorinsewithcleanwaterandthenuseapapertoweltoabsorbthemoistureanddryitwithaspecialglassescloth.Whenthelensisverydirty,itisrecommendedtocleanitwithalow-concentrationneutraldetergent,andthenrinseitwithwateranddryit.
Whenthelensisattachedwithsweat,juice,hairspray(gel),cosmetics,etc.,pleasewashanddrywithwaterimmediately.Ifitdriesnaturally,thescalewillbecomeastainItisdifficulttowipecleananditisdifficulttoseethingsclearly.
Whenthelensisexposedtorainorsweat,pleasewipeitcleanwithalensclothinonedirectionimmediately.
Wearprogressivelenses,trynottousetheedgeofthelenstoseethings.Becauseofthedistortionandblur,usethelowerpartofthelenstolooknear.Theadaptationmethodisalsoindoorsandthenoutdoors.
Thefilterandprotectivefilmoftheweldinggogglesshouldbeselectedandreplacedaccordingtotherequiredoperation.
Duetotheprismofthelens,pleasedriveandoperateonlywhenyouarecompletelyaccustomedtowearingglassestosee.Drivingandoperation.
Theresinlensmaybebrokenbystrongimpact,whichmaycauseeyeandfacedamage.Itisrecommendednottouseitduringstrenuousexercise.
Donotlookdirectlyatthesunorstronglight,otherwiseitwillhurtyoureyes.
Thegogglesmustbeusedbysomeonetopreventtheinfectionofeyediseases.