高粘度明膠要保持在一定溫度條件下才可使用,因此,當使用中需加水時,加入的水與膠體溫度應基本相同,不可加入冷水。因為本產品要保持一定溫度,加入冷水后膠水的溫度驟降會出現凝條塊狀,而影響黏結效果。使用高粘度工業用明膠時涂膠(jiao)速度要快、均(jun)勻,不要一次(ci)蘸膠(jiao)過多造成(cheng)膠(jiao)層不平、滲(shen)聯粘漏膠(jiao)等(deng)問題。
高粘(zhan)度(du)(du)(du)明膠(jiao)的(de)黏(nian)(nian)(nian)度(du)(du)(du)調整(zheng):使(shi)用明膠(jiao)時(shi),其黏(nian)(nian)(nian)度(du)(du)(du)決定著涂膠(jiao)是(shi)(shi)否(fou)合適(shi),調整(zheng)到適(shi)當的(de)黏(nian)(nian)(nian)度(du)(du)(du)并始終(zhong)穩定保持(chi)這(zhe)個黏(nian)(nian)(nian)度(du)(du)(du)是(shi)(shi)重要的(de)。膠(jiao)的(de)黏(nian)(nian)(nian)度(du)(du)(du)是(shi)(shi)由濃(nong)度(du)(du)(du)和溫度(du)(du)(du)決定的(de)。也(ye)(ye)(ye)就是(shi)(shi)說濃(nong)度(du)(du)(du)降低,黏(nian)(nian)(nian)度(du)(du)(du)也(ye)(ye)(ye)會(hui)(hui)隨之下(xia)降;另一(yi)方面,如果膠(jiao)黏(nian)(nian)(nian)劑溫度(du)(du)(du)升高,黏(nian)(nian)(nian)度(du)(du)(du)也(ye)(ye)(ye)會(hui)(hui)隨之下(xia)降。在實際生(sheng)產過程中,隨著時(shi)間的(de)推(tui)移,一(yi)部分水(shui)分會(hui)(hui)蒸發,濃(nong)度(du)(du)(du)自(zi)然會(hui)(hui)上升,黏(nian)(nian)(nian)度(du)(du)(du)也(ye)(ye)(ye)會(hui)(hui)隨之發生(sheng)變化,所以(yi)要經常補充水(shui)分以(yi)保持(chi)一(yi)定的(de)黏(nian)(nian)(nian)度(du)(du)(du)。