Dab tsi yog cov contraindications thaum khaws cia Stretch qhwv?

Cov khoom ntawm stretch film manufacturers yuav tsum tau muab khaws cia kom raug, uas yog ib qho tseem ceeb heev rau nws yav tom ntej siv cov nyhuv, yog li peb yuav tsum xyuam xim rau nws.

Thawj qhov uas yuav tsum paub yog tias nws yog txwv tsis pub hu rau cov zaj duab xis ncab nrog cov kua qaub, alkali thiab organic solvents kom nws huv si thiab qhuav. Tom qab ntawd, xyuam xim rau qhov chaw cia, qhov kub thiab txias yuav tsum tsis txhob siab dhau lossis qis dhau, nws yuav tsum nyob nruab nrab ntawm -15-40 degrees Celsius. Ib zaug ntxiv, nws yog ib qho tsim nyog kom tsis txhob muaj lub hnub thiab nag, thiab nws yuav tsum tau muab khaws cia rau hauv lub tsev rau khoom thaum lub sijhawm tsis siv. Tsis tas li ntawd, thaum khaws cov zaj duab xis stretch, nws yuav tsum muab tso rau hauv yob thiab tsis folded. Yog tias cov yeeb yaj kiab tsis tau siv ntev ntev, nws yuav tsum tau tig ib zaug ib lub caij.

Cov kev paub txog kev khaws cia ntawm stretch wrapping zaj duab xis yog txhua yam uas peb tsis tuaj yeem tsis quav ntsej thaum siv nws, thiab kuv vam tias nws tuaj yeem pab tau rau txhua tus neeg siv.