Yuav ua li cas whiten tulle los ntawm greyness?

Tshiab dawb curtains zoo kawg nkaus ua tshiab lub chav ua noj thiab ua rau nws ntau dua elegant thiab xis. Txawm li cas los, dhau sij hawm, plua plav, cov khoom pov tseg thiab cov luam yeeb tso rau ntawm daim ntaub thiab cov xim dawb qab xim maj mam tau txais ib qho xim greyish-daj. Tshaj tawm ib tulle los ntawm greyness yog hais tias niaj zaus ntxuav tsis pab? Hais txog qhov no hauv qab no.

Yuav ua li cas whiten tus grayed tulle?

Tom tsev, lub iellowed curtain tuaj yeem raug ntxuav hauv cov nram qab no:

1. Ntxuav nrog tshuaj dawb . Ua ntej yuav ntxuav, yuav tsum tau muab daim ntaub so ntub dej sov so kom sov so hauv av. Tom qab ntawd, koj tuaj yeem pib ntxuav ntxhuav. Dej kub yuav tsum tsis pub dhau 30 degrees, txwv tsis pub yellowness yuav nyob twj ywm rau ntawm daim ntaub thaiv mus ib txhis. Yog tias koj siv cov hmoov tshuaj dawb, qhov kub tau nce mus rau 40 degrees.
2. Ammonia cawv . Muab 10 gram ntawm hydrogen peroxide, 5 grams ammonia thiab 4-6 litres dej rau ntawm qhov kub ntawm 35 degrees hauv qhov cub. Soak nyob rau hauv ib tug saline daws tulle rau ib nrab ib teev, tom qab uas yaug zoo nrog dej txias.
3. Ntsev . Qhov no yog qhov zoo tagnrho rau cov tshuaj dawb ntawm lub plhaub tulle. Npaj 3 tablespoons ntawm lub rooj ntsev. Sib tov nws nrog xab npum thiab ncuav nws tag nrog cov dej sov. Raug lub tulle nyob rau hauv cov kua txiv hmab txiv ntoo kom haum rau 4-7 teev, tom qab ntawd ntxuav nws hauv kev li niaj zaus.
4. Starch . Thaum yaug cov ntaub, ntxiv qos starch mus rau dej. Tsaug rau qhov no, cov ntaub yuav tsis tsuas tshuaj dawb, tab sis tseem yuav khaws nws cov duab rau ib lub sij hawm ntev. Tshaj noom yuav tsim ib ncig ntawm cov av tob tob uas tsis pom kev, uas yuav tiv thaiv lawv ntawm cov kab mob sib sib zog nqus.
5. Zelenka . Nyob rau hauv ib lub khob ntawm dej sov, ntxiv 10-15 tee ntawm ntsuab thiab cia cov kua infuse rau 2-3 feeb. Ntxiv cov kua dej los rau ib lub taub ntim dej tom qab thiab tom qab yaug tag koj yuav pom tias cov ntaub iav tau xa rov qab los ntawm cov xim dawb thiab tau ua ib nyuag qhov ncauj.