Cov Ntsiab Cai ntawm Cov Khaub Ncaws Sunscreen
Raws li cov hauv paus ntsiab lus kho qhov muag, kev xa mus ntxiv rau kev cuam tshuam ntxiv rau kev nqus =100 feem pua . Yog li ntawd, qhov siab dua qhov kev cuam tshuam thiab nqus ntawm ultraviolet rays, qhov qis dua, thiab lub hnub tiv thaiv zoo dua.
txoj cai
Lub hauv paus ntsiab lus tiv thaiv lub hnub ntawm cov khaub ncaws tiv thaiv lub hnub yog siv kev tiv thaiv UV rau cov ntaub, uas suav nrog kev ntxiv UV absorbers lossis UV reflectors hauv ntau txoj hauv kev (thaum tom qab ua tiav lossis ncaj qha spinning) rau cov ntaub, txhim kho qhov kev xav thiab nqus tau ntawm cov ntaub. Lub hnub tiv thaiv khaub ncaws rau UV rays, yog li tiv thaiv UV rays los ntawm cov khaub ncaws thiab ua rau tib neeg daim tawv nqaij.
UV absorber
UV absorbers xaiv nqus UVA thiab UVB, thiab ua lub zog hloov pauv kom ua tiav UV tiv thaiv. Hauv kev tsim khoom tiag tiag, benzophenones thiab benzotriazoles feem ntau yog siv, nrog cov ntsiab lus melting siab, tsis muaj tshuaj lom, tsis muaj cua sov tsis kam, decomposability ntawm qhov kub thiab txias, thiab qee qhov tawv nqaij khaus.
UV reflector
UV reflectors ua tiav UV tiv thaiv los ntawm kev cuam tshuam thiab cuam tshuam sab nraud ultraviolet rays. Lawv muaj kev ua tau zoo, kev nyab xeeb zoo, thiab kev ua haujlwm ntev. Hauv kev tsim khoom, cov khoom siv hlau oxide lossis cov hmoov ceramic feem ntau yog siv, xws li talc hmoov, calcium carbonate, zinc oxide, titanium dioxide, thiab lwm yam.
Cov qauv tsim nyog thiab cov ntsiab lus qhia tseem ceeb
Hauv Tuam Tshoj tus qauv txheej txheem, tus qauv tseem ceeb rau cov khoom tiv thaiv hnub ci yog GB / T 18830-2009 "Kev Ntsuas ntawm UV Tiv Thaiv Kev Ua Haujlwm ntawm Textiles".
Raws li qhov yuav tsum tau ua ntawm tus qauv no, thaum UPF ntawm cov qauv yog ntau dua 40 thiab T (UVA) AV tsawg dua 5 feem pua, nws tuaj yeem raug xa mus rau "UV resistant khoom".
Tsom ntsoov rau ob qhov ntsuas
UPF
UPF, tseem hu ua UV tiv thaiv qhov tseem ceeb, yog hais txog qhov sib piv ntawm qhov nruab nrab ntawm UV hluav taws xob suav thaum daim tawv nqaij tsis muaj kev tiv thaiv rau qhov nruab nrab ntawm UV hluav taws xob suav thaum daim tawv nqaij tiv thaiv los ntawm ntaub.
T (UVA) AV
T (UVA) AV hais txog kev xa tawm ntawm tshav ntuj ultraviolet hluav taws xob nrog wavelengths xws li 315 txog 400nm.
The higher the UPF and the lower the UVA, the better the UV protection effect of the fabric. In addition, the label with the highest UPF value for textiles in national standards is 50+, which means UPF>50. Vim tias qhov sib txawv ntawm kev tiv thaiv lub hnub tsis tseem ceeb tom qab UPF ntau dua 50.
Common sunscreen khaub ncaws fabrics
1. Knitting
Knitted sunscreen khaub ncaws fabrics mas yog ua los ntawm paj rwb los yog polyester paj rwb blends, uas muaj breathability zoo thiab kev nplij siab, muaj zog noo noo nqus, tab sis tsis zoo UV tsis kam.
2. Woven
Cov ntaub npuag rau cov khaub ncaws tiv thaiv hnub ci yog nylon, polyester, thiab lwm yam, uas feem ntau siv hauv khw muag khaub ncaws tiv thaiv hnub ci. Nylon dominates nyob rau hauv cov nqe lus ntawm hnav tsis kam thiab noo noo nqus, thaum polyester muaj zoo zoo nyob rau hauv kev nplij siab functions xws li breathability thiab hu rau txias.
Yuav ua li cas txhim kho UV tiv thaiv ntawm textiles?
Thaum lub teeb ci rau saum npoo ntawm textiles, ib txhia yog reflected, ib txhia yog absorbed, thiab tus so dhau los ntawm textiles. Textiles yog tsim los ntawm cov khoom siv fiber ntau sib txawv thiab muaj cov txheej txheem saum npoo, uas tuaj yeem nqus tau thiab diffuse ultraviolet hluav taws xob, yog li txo qis kev xa tawm ntawm ultraviolet hluav taws xob. Kev tawg thiab kev cuam tshuam cuam tshuam sib txawv vim qhov sib txawv ntawm qhov chaw morphology ntawm ib fibers, ntaub qauv, thiab xim tob. Yog li ntawd, thaum kawm txog UV hluav taws xob tiv thaiv ntawm textiles, cov hauv qab no yuav tsum tau ua tib zoo xav txog:
① Fiber ntau
Kev nqus thiab diffuse reflection ntawm ultraviolet rays ntawm ntau hom fiber ntau sib txawv heev, uas muaj feem xyuam rau cov tshuaj muaj pes tsawg leeg, molecular qauv, fiber ntau nto morphology, fiber ntau cross section zoo, thiab lwm yam. ultraviolet rays, yog li lawv cov kev tiv thaiv ultraviolet tsis zoo. Ntawm lawv, paj rwb ntaub yog cov ntaub yooj yim tshaj plaws nkag mus rau hauv cov ntaub, thaum cov ntaub plaub zoo dua me ntsis; Lub peev xwm nqus ntawm cov hluavtaws fibers rau ultraviolet rays yog qhov muaj zog dua li ntawm cov fiber ntau, ntawm cov polyester yog qhov muaj zog tshaj plaws. Qhov no yog vim hais tias lub nplhaib benzene nyob rau hauv cov qauv polyester thiab cov aromatic amino acid nyob rau hauv wool protein molecule muaj zog nqus mus rau lub teeb nrog ib tug wavelength tsawg tshaj li 300nm.
② Npuag qauv
Lub thickness, nruj (kev pab them nqi los yog porosity), thiab cov yam ntxwv ntawm cov xov paj thawj, nrog rau cov fibers nyob rau hauv tus ntoo khaub lig-section (txog rau lawv slenderness), twist, thiab hairiness, tag nrho cov muaj feem xyuam rau lub UV tiv thaiv. kev ua haujlwm ntawm textiles. Cov ntaub tuab dua, qhov nruj dua, nws qhov pores me dua, thiab qis dua qhov kev xa tawm ntawm ultraviolet hluav taws xob. Nyob rau hauv cov nqe lus ntawm cov qauv ntaub, woven fabrics yog superior rau knitted fabrics; Cov ntaub xoob xoob muaj qhov sib npaug qis, tshwj xeeb tshaj yog rau qee cov ntaub mesh, qhov twg lub teeb raug txwv rau kev tiv thaiv thiab lawv cov kev tiv thaiv me me.
③ Dyes
Qhov kev hloov ntawm cov xim ntaub yog feem ntau yog los ntawm kev xaiv qhov nqus ntawm pom lub teeb hluav taws xob los ntawm dyes. Feem ntau hais lus, textiles ua los ntawm tib cov khoom dyed nrog tib dye muaj ib tug tsaus xim xim thiab ntau haum ntawm ultraviolet rays, ua rau kom zoo dua UV shielding kev ua tau zoo. Tsaus xim paj rwb fabrics muaj kev tiv thaiv UV zoo dua li cov xim xim.
④ Lub koom haum Post
Tom qab kev kho mob tshwj xeeb tom qab, nws cov UV kuj tseem yuav txhim kho, xws li kev kho cov txheej txheem, dej thiab roj repellent kev kho mob, thiab lwm yam. Ntawm ib sab, lub thickness ntawm cov ntaub yuav nce, thiab cov porosity ntawm cov ntaub yuav txo; Ntawm qhov tod tes, vim qhov xwm txheej ntawm tus neeg sawv cev tiav nws tus kheej, nws kuj tseem tuaj yeem txhim kho cov nyhuv thaiv ntawm ultraviolet hluav taws xob. Lub hauv paus ntsiab lus ua haujlwm ntawm tus neeg ua haujlwm tiav yog siv cov tshuaj tiv thaiv ultraviolet los kho cov fibers lossis cov ntaub. Thaum lub teeb tawg mus rau hauv cov ntaub, ib feem me me dhau los ntawm qhov khoob ntawm cov ntaub, thaum feem ntau yog pom los yog xaiv absorbed los ntawm ultraviolet shielding tus neeg saib xyuas, hloov lub zog rau hauv qis zog thiab tso tawm, yog li thaiv cov kab hluav taws xob ultraviolet.
⑤ Cov av noo
UV tsis kam ntawm ib daim ntaub sib txawv nrog nws cov ntsiab lus noo noo. Qhov siab dua cov dej noo, qhov ua rau UV tsis kam. Qhov no yog vim hais tias thaum cov ntaub muaj dej, nws tawg ntawm lub teeb txo.
Kev nplij siab rau cov khaub ncaws tiv thaiv tshav ntuj
1. Ua pa
Kev ua haujlwm ntawm cov pa uas dhau los ntawm cov ntaub ncaj qha cuam tshuam rau kev ua pa thiab kev nplij siab ntawm lub hnub tiv thaiv khaub ncaws. Sunscreen khaub ncaws yuav tsum muaj breathability zoo thaum hnav thaum lub caij ntuj sov, thiaj li sai sai dissipate tshav kub thiab tsis txhob ua rau cov neeg mob.
2. Moisture permeability
Kev ua tau zoo ntawm cov roj av noo dhau los ntawm cov ntaub yog qhov tseem ceeb rau kev ntsuas kev nplij siab ntawm cov khaub ncaws hnub ci. Nyob rau hauv lub caij ntuj sov scorching hnub, tib neeg lub cev tsim ib tug npaum li cas ntawm tshav kub thiab hws. Nws yuav tsum tau hais tias cov khaub ncaws tiv thaiv tshav ntuj muaj cov dej noo zoo permeability kom tsis txhob muaj cov neeg xav tias khaus thiab nplaum thaum hnav.
Kev ua pa thiab noo noo permeability ntawm cov khaub ncaws hnub ci yog cuam tshuam los ntawm ntau yam xws li ntom, porosity, thickness, thiab txoj kev ua tiav.
Kev xaiv thiab yuav cov khaub ncaws tiv thaiv hnub ci
Ib qho yog saib ntawm daim ntawv lo
Raws li GB/T 18830-2009, daim ntawv lo ntawm cov khaub ncaws tshuaj pleev thaiv hnub yuav tsum muaj peb yam:
Tsis tas li ntawd, thaum xa cov khaub ncaws tiv thaiv hnub ci, yuav tsum tau saib xyuas seb puas muaj cov ntaub ntawv sau npe hauv Suav ntawm cov khoom thiab nws cov ntim: cov khoom npe, cov qauv khoom lossis specification, fiber ntau thiab cov ntsiab lus, kev saib xyuas, qeb kev nyab xeeb, keeb kwm, lub npe. thiab chaw nyob ntawm tus neeg sawv cev, tus neeg xa khoom lossis tus muag khoom, thiab lwm yam; Nyob rau tib lub sijhawm, ua kom koj lub qhov muag qhib thiab ua tib zoo saib seb cov ntaub ntawv cim rau ntawm lub ntim sab nrauv, cov ntawv dai (daim ntawv pov thawj ntawm kev sib haum xeeb), thiab cov ntawv ua kom ruaj khov zoo ib yam.
Qhov thib ob, xaiv cov ntaub
Nylon thiab polyester fabrics yog feem ntau siv hauv khw; Cov ntaub uas nyiam yog mos thiab elastic, nrog lub teeb yuag, muag muag, yooj yim tu, thiab hnav yooj yim thiab xis; Xaiv cov ntaub nrog cov ntaub ntawv zoo thiab cov khoom zoo nkauj, uas muaj lub teeb kis tau yooj yim thiab zoo dua tiv thaiv tshav ntuj; Tsis txhob yuav cov khaub ncaws tiv thaiv tshav ntuj uas kho nrog txheej txheej, vim nws muaj kev ua pa tsis zoo, tsis xis nyob, thiab cov txheej txheem tuaj yeem tev tawm tom qab ntxuav, ua rau muaj peev xwm tiv thaiv hnub poob.
Qhov thib peb yog xaiv cov xim
Cov khaub ncaws tiv thaiv hnub ci tsaus muaj qhov ua tau zoo dua hauv kev xav txog cov kab hluav taws xob ultraviolet dua li cov khaub ncaws tiv thaiv lub hnub ci xim. Yog li ntawd, thaum xaiv cov khaub ncaws tiv thaiv hnub ci, nws raug nquahu kom xaiv cov khaub ncaws xim tsaus nti tiv thaiv lub hnub, thaum cov khaub ncaws dub thiab liab tiv thaiv hnub ci muaj qhov cuam tshuam zoo dua.
Plaub, xaiv ib qho style
Muaj ntau yam qauv ntawm cov khaub ncaws tiv thaiv hnub ci, thiab koj tuaj yeem xaiv lub dab tshos siab peb-dimensional txiav kom haum zoo dua, kev tiv thaiv zoo dua, thiab kev ua haujlwm yooj yim dua; Qhov dav dav brim tsim kuj tuaj yeem txhim kho lub hnub tiv thaiv nyhuv ntawm lub ntsej muag. Tsis tas li ntawd, txhawm rau txhawm rau txhim kho kev ua pa thiab hws-wicking kev ua tau zoo ntawm cov khaub ncaws tiv thaiv hnub ci, koj tuaj yeem xaiv cov qauv nrog qhov me me hauv cov armpits thiab nraub qaum.
qhov chaw: https://www.tnc.com.cn/info/c-001001-d-3732389.html