Yog vim li cas duvets laum

Vim li cas lub duvet xyaum ua haujlwm hnyav?

1. ntaub

Cov ntaub duvet yuav tsum siab - suav thiab siab - ceev raws li qhov chaw thiab yuav tsum tau kho nrog laum - pov thawj velvet. Nyob rau tib lub sijhawm, nws yuav tsum muaj huab cua zoo permeability. Yog li ntawd, cov ntaub duvet yuav tsum yog cov ntaub ntawv tshaj lij

2. Tsis zoo

Ntxiv nrog rau kev xaiv cov ntaub ntawv tshaj lij, qhov zoo ntawm qis feem ntau plays lub luag haujlwm tseem ceeb. Qhov kev xyaum tawm tiag tiag yog feem ntau velvet, ya filament puas cov plaub hau thiab cov plaub hau zoo li qub. Yog li qhov siab dua qhov qis qis, qhov nyuaj nws yog qhov tho.

3. txheej txheem xaws

Kev siv tshuab xaws tsis nyob hauv qhov chaw, ua rau muaj ntau yam kev siv tshuab xaws. Feem ntau yog pinhole drilling. Qhov sib nrug yuav hnav thaum lub sijhawm xaws, thiab cov pinholes yuav loj dua thiab loj dua. Yog li peb yuav tsum tau hloov cov koob hauv lub sijhawm kom tsis txhob muaj.

4. Txoj kev siv

Qhov laj thawj loj tshaj plaws rau duvet khiav yog txoj kev siv tsis raug. Duvet yuav tsum tsis txhob raug lub hnub ntev kom deb li deb tau, tab sis nws tsis tuaj yeem ntxuav los ntawm lub tshuab ntxhua khaub ncaws qhuav. Yog li tsis txhob ua kev puas tsuaj rau velvet paj