Under normal circumstances, everyone's request for corrugated board quality is: the board should be flat, the size is accurate, and there should be no spots on the surface. If the appearance of the corrugated board has spots, it will affect the printing color, and the printing color at the spots will form the color difference. And some electronic customers are very strict about the appearance of paper, and it is generally not allowed to have spots. So why does the appearance of paper show spots?

　　現(xiàn)象解讀：原紙外表呈現(xiàn)斑點(diǎn)，普通都是由于原紙的問(wèn)題，由于原紙?jiān)谙M(fèi)過(guò)程中，里面殘?jiān)耸炝铣煞值奈镔|(zhì)，經(jīng)過(guò)面紙加熱過(guò)程起到化學(xué)作業(yè)，細(xì)小的塑料顆粒消融后產(chǎn)生大小不一的黑色斑點(diǎn)，這種狀況呈現(xiàn)較多的是以再生紙為紙基的掛面紙。

　　Phenomenon interpretation: the appearance of the base paper shows spots, which are generally due to the problems of the base paper. During the consumption process of the base paper, there are residues of clinker ingredients in the base paper. After the heating process of the surface paper, the chemical operation is started. After the ablation of small plastic particles, black spots of different sizes are produced. This situation presents more of the surface paper based on recycled paper.

　　處理辦法：將面紙?jiān)谶\(yùn)用前取樣緊貼預(yù)熱缸，加熱兩分鐘后取下觀看紙樣，此時(shí)點(diǎn)呈現(xiàn)即可運(yùn)用，假如有的話就要改換原紙。另外在選用原紙時(shí)，不要貪圖廉價(jià)，應(yīng)選具有良好信譽(yù)的原紙。

　　Treatment method: before using, sample the face paper closely to the preheating cylinder, heat it for two minutes, then take down and watch the paper sample. At this time, it can be used without spots. If there is any, change the base paper. In addition, when choosing base paper, don't be greedy for low price. Choose brand base paper with good reputation.

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　　The above is the relevant content introduced by the corrugated box manufacturer for you. To learn more, please visit the website: http://www.chengshei.cn