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封箱膠帶生產(chǎn)廠家教你分辨米黃色膠帶優(yōu)劣
日期:2020-11-10 17:38:47 來源:宏展包裝

封箱膠帶生產(chǎn)廠家今天來告訴大家,應該怎樣判斷米黃封箱膠紙產(chǎn)品的品質(zhì),需要特別注意一下以下幾個方面:

封箱膠帶生產(chǎn)廠家

一、檢驗封箱膠紙表面,涉及封箱膠紙兩邊是不是粘手或者是不是有縫隙,品質(zhì)好的封箱膠紙兩邊不粘手,而且并沒有縫隙。

二、檢驗封箱膠紙的光澤,封箱膠紙歷經(jīng)分切成成品時多多少少會帶有些許的小氣泡,分切好的成品存放一個星期后小氣泡基本上是會散去,純酊脂膠水制作成封箱膠紙產(chǎn)品其表面光潔,并沒有一點小白點。如:摻入雜質(zhì)的封箱膠紙有很多不規(guī)則圖形的小白點,用手壓很難散去或經(jīng)久不散去是與小氣泡性質(zhì)完全不同的。

三、封箱膠紙產(chǎn)品的異味。如:產(chǎn)品帶有的異味大或者發(fā)臭表明該品質(zhì)欠佳或很差。因為摻雜質(zhì)的封箱膠紙進行膠水配方時使用汽油和酸性物質(zhì)進行溶解,所以異味十分大很難散去。而正規(guī)企業(yè)是使用符合環(huán)保要求的助劑進行膠水配方溶解,在制作封箱膠紙產(chǎn)品的涂布過程中異味就已經(jīng)完全歷經(jīng)風機揮發(fā)散去。

四、檢驗封箱膠紙的拉伸力。如:封箱膠紙?zhí)貏e容易斷,則代表是劣質(zhì)品的。好的封箱膠紙是使用比較好品質(zhì)的bopp薄膜不容易斷。

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