Tus PU yog dab tsi?

I. Qhia txog PU

PU, los yog polyurethane, yog cov khoom siv hluavtaws uas muaj cov polyurethane feem ntau. Cov tawv cua hluavtaws yog cov khoom siv hluavtaws muaj tiag uas muaj cov khoom siv lub cev zoo dua qub thiab ua kom tawv nqaij.

Cov tawv cua synthetic muaj ntau cov ntawv thov, suav nrog kev tsim cov khoom siv tsheb, sofas, khau, thiab khaub ncaws, thiab ris tsho. Nws yog qhov ua kom haum, xis, yooj yim, kom huv thiab tswj hwm, thiab tseem yuav txo qhov kev thov tsiaj, yog li kev sib ntsib rau ib puag ncig cov tsiaj uas txwv tsis pub muaj kev lim hiam.

Ii. PU Cov Khoom Taw Qhia

1. Muaj pes tsawg leeg

Lub ntsiab tivthaiv ntawm tawv hluavtaws tawv yog polyurethane, uas yog tsim los ntawm kev sib cuam tshuam ntawm polyether lossis polyester nrog ownocyanate. Tsis tas li ntawd, daim ntaub tawv cua hluavtaws tseem muaj cov khoom siv, cov hlua yas, pigments, thiab cov neeg sawv cev.

2. Tsos

Daim tawv cua hluavtaws yog cov khoom siv hluavtaws thiab xim, thiab muaj peev xwm mimic ntau yam qauv xws li khej, nab, thiab ntses nplai kom tau raws li qhov xav tau ntawm cov khoom sib txawv.

3. Lub cev lub cev

Cov tawv cua hluavtaws ua cov khoom siv hluavtaws zoo xws li tensile lub zog, hnav tsis kam, dej tsis kam, thiab hloov tau dej. Nws kuj yooj yim dua los ntxuav thiab saib xyuas ntau dua li cov tawv tsiaj, ua rau nws muaj zog dua.

4. Thov tus nqi

Piv rau cov tawv nqaij ntuj, cov tawv nqaij hluavtaws ntxiv xws li tus nqi tsiaj, thiab tsis xav tau cov khoom tsiaj, ua rau cov kev xaiv tsiaj, ua rau cov kev xaiv tsiaj uas muaj peev xwm siv tau lub neej niaj hnub no.

Hauv kev xaus, cov tawv hluavtaws yog cov khoom siv hluavtaws zoo uas muaj kev phom sij zoo nkauj, ua tau zoo thiab tsim nyog rau kev lag luam hauv khw. Raws li thev naus laus zis thiab kev ua lag luam xav tau kev hloov, tawv hluavtaws ua txhua yam xws li cov tsheb thauj khoom zoo li lub tsheb, khaub ncaws, thiab hnab, kom sau ob peb.