昆(kun)山雙(shuang)洋湖(hu)包裝材料有限(xian)公司
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不(bu)(bu)(bu)干膠(jiao)(jiao)(jiao)(jiao)材(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)按面(mian)(mian)材(cai)(cai)(cai)(cai)分(fen)為紙張不(bu)(bu)(bu)干膠(jiao)(jiao)(jiao)(jiao)標簽(qian)(qian)材(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)和(he)薄膜不(bu)(bu)(bu)干膠(jiao)(jiao)(jiao)(jiao)標簽(qian)(qian)材(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)兩種,隨(sui)著工業化進(jin)程的(de)加速和(he)人們(men)環(huan)保意識的(de)增強(qiang),薄膜不(bu)(bu)(bu)干膠(jiao)(jiao)(jiao)(jiao)材(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)異軍突(tu)起。薄膜面(mian)(mian)材(cai)(cai)(cai)(cai)的(de)選擇與很多(duo)因素有關,如應用(yong)環(huan)境、膠(jiao)(jiao)(jiao)(jiao)黏劑、基材(cai)(cai)(cai)(cai)特(te)點等。模內標簽(qian)(qian)材(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)按材(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)特(te)性(xing)分(fen)四種:BOPP、PP+PE、PE和(he)紙類,由于(yu)材(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)的(de)處理特(te)性(xing)不(bu)(bu)(bu)同(tong)(tong),應用(yong)效(xiao)果(guo)也不(bu)(bu)(bu)同(tong)(tong)。下面(mian)(mian)我們(men)看看幾組不(bu)(bu)(bu)同(tong)(tong)不(bu)(bu)(bu)干膠(jiao)(jiao)(jiao)(jiao)材(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)的(de)印刷(shua)特(te)性(xing):
1.PP+PE:單向(xiang)拉伸變形,材料(liao)表(biao)面需要(yao)電暈處理,印(yin)刷適性好,張力(li)穩定。由于材料(liao)中(zhong)(zhong)包含PE成分(fen),在(zai)標簽燙(tang)(tang)金(jin)工序(xu)中(zhong)(zhong)要(yao)求(qiu)使用(yong)低溫度的(de)燙(tang)(tang)金(jin)箔。優(you)點是標簽在(zai)應用(yong)后表(biao)面光滑、不變形、視覺效果(guo)好。
2.紙(zhi)類:應用在低(di)檔次的(de)包裝產品上,適合不變形或小(xiao)變形的(de)桶體。常(chang)用材料(liao)為高檔涂料(liao)紙(zhi),且(qie)紙(zhi)類材料(liao)的(de)印刷適性要好
3.BOPP:雙向拉伸變形,表面有特殊涂層,印刷適性好。缺點是應用在大面積容器上容易變形,如果桶體材料為PE,模內標簽材料為PP,因為兩者收縮率不同,標簽應用后桶體表面會出現桔皮現象。昆山化工標簽
4.PE:未(wei)經(jing)拉伸,材料(liao)表面需要電暈處理,印(yin)刷適性差,燙印(yin)后變(bian)形大,由于(yu)本身是PE材料(liao),應(ying)用于(yu)PE瓶體后不出現變(bian)形。昆山雙洋(yang)湖包裝(zhuang)材料有限公司(si)