Pu Npuag Ntaub Yog Dab Tsi?

Dab tsi yog pu ntaub?

PU npuag yog ib hom tawv tawv los tiv thaiv.

PU yog qhov luv ntawm lus Askiv poly urethane, tshuaj suav tshuaj lub npe "polyurethane", uas yog cov khoom siv polymer. Polyurethane yog cov khoom siv tshiab tshaj tawm ntawm polymer polymer, uas yog hu ua "thib tsib loj tshaj plaws yas" thiab yog siv dav hauv ntau lub teb ntawm kev lag luam hauv lub teb chaws vim nws qhov kev ua tau zoo yav tom ntej.

Qhov zoo ntawm pu npuag :

1. Lub cev zoo lub cev, tiv taus rau tortuosity, zoo softness, siab tensile zog thiab breathability. Cov qauv ntawm PU npuag yog nias rau ntawm cov nplaim ntawm cov tawv ib nrab nrog cov qauv ntawv, thiab daim ntawv sib cais thiab kho rau kev kho saum npoo tom qab tos txias.

2, huab cua siab permeability, dej permeability tuaj yeem ncav 8000-14000g / 24h / cm2, tev siab lub zog loj, dej siab tiv thaiv siab, yog cov khoom siv zoo tshaj plaws rau cov khaub ncaws tsis muaj dej thiab ua pa ntawm npuag txheej thiab hauv qab txheej.

3, tus nqi yog siab, tus nqi ntawm qee qhov tshwj xeeb kev cai PU npuag yog 2-3 zaug siab dua li PVC ntaub. Feem ntau, cov qauv ntawv xaim xav tau rau cov ntaub PU ua tau tsuas yog kos tom qab 4-5 zaug

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