Kev xaiv yuav tsum tau ua kom pom qhov zoo ntawm Sandpaper Base Paper

1. Cov xim yuav tsum yog qhov sib xws, tshwj xeeb tshaj yog rau txhua pawg ntawm cov ntawv xim ntuj, txwv tsis pub nws yuav cuam tshuam cov xim sib txuam ntawm cov cim lag luam nto.

2. Cov plua plav yuav tsum tsis txhob muaj ntau dhau, thiab yuav tsum tsis txhob muaj qhov quav, wrinkles, curtains, lossis qhov, tshwj xeeb tshaj yog rau ntawm daim ntawv ntawm ntau yam xim uas tsis muaj qhov chaw.

3. Smoothness, daim ntawv saum npoo yuav tsum tiaj tus, thiab cov ntaub plaub yuav tsum tsis txhob pom tseeb. Qhov ntau thiab tuab ntawm ob sab yuav tsum zoo ib yam. Tsis txhob careless.

4. Cov npoo ntawm cov yob loj yuav tsum tau txiav kom zoo nkauj ntawm ob qho kawg thiab yuav tsum tsis txhob tawg.

5. Cov tub ntxhais ntawv lub raj tsis zoo thiab muaj qhov tawv zoo. Qhov hnyav ntawm txhua yob loj yuav tsum tsis txhob loj dhau. Feem ntau, nws raug pom zoo kom siv 300-600kg ib yob ntawm daim ntawv raws li cov lus qhia tshwj xeeb.