Lub tsho dawb nyiam yog tsis muaj snow-white li ua ntej? Nws puas greyish los yog daj nyob hauv xim? Thiab tej zaum nws tau ua phem heev tawm xim ... Yuav ua li cas kho cov ris tsho, tsis tas ua kom qhuav ntxhua khaub ncaws, peb kawm ua ke.
Cov secrets ntawm Crystal whiteness
Tsis pub dhau lub tsho dawb T-shirts tsis qhib xim thiab daj, thiab koj tsis muaj lus nug txog yuav ua li cas thiaj tau dawb lub tsho T-shirt nyob tom tsev, lawv yuav tsum ntxuav ntawm lwm yam, tshwj xeeb tshaj yog los ntawm cov khoom cua thiab cov ntaub ntub dej. Paj rwb tsuas tuaj yeem ntxhua nrog cov flax. Thiab nws yog ntshaw ntxiv me ntsis tus neeg muag tshuaj rau cov dej los yog ib lub tshuab nrog txhua tus ntxhua - qhov no yuav khaws cov xim dawb thiab zoo ntawm cov ntaub.
Tam sim no cia peb mus ncaj qha mus rau lub tsho T-shirt hauv tsev, yog tias nws tsis yog dawb los yog me ntsis tshwm rau nws:
- siv lub hau npau npua ntawm cov kua mis thiab cov dej qab zib, tab sis nco ntsoov tias nws yuav siv sij hawm sai sai txawm tias qhov zoo tshaj plaws ntaub npuag;
- soak hauv ib lub thawv nrog dej kub thiab potassium permanganate (dej yuav tsum yog me ntsis pinkish) kom txog thaum txias, ces yaug qhov t-shirt zoo;
- Muab cov T-shirts dawb rau 20 feeb rau hauv dej phwj dej thiab 3% cov tshuaj hydrogen peroxide yog yaj (ib qho diav 2 liv dej);
- ua ntej ntxuav, muab lub tsho T-shirt (yog hais tias nws yog tsim los ntawm ntuj ntaub) hauv dej nrog ammonia los yog turpentine;
- gypsum thiab tulle tuaj yeem muaj cov kua dej sov, hydrogen peroxide thiab ammonia (1 tablespoon), muab cov khoom rau ib nrab ib teev, tom qab ntawd ntxuav hauv txoj kev li niaj zaus;
- wool thiab paj rwb zoo li bleached hauv dej ntawm kwv yees li 40 ° C nrog ob peb rab diav yaj nws, feem ntau cov ntsev, hydrogen peroxide, ib cov kua thiab ammonia.
Tam sim no koj paub tias koj yuav ua li cas koj lub tsho T-shirt nyob hauv tsev, qhov tseem ceeb tshaj plaws yog - tsis txhob cia tej yam qaug rau hauv cov pa, ammonia, whiteness los yog hydrogen peroxide ntev, tsis li ces koj yuav ua rau kev puas tsuaj.