特种纸有哪些作用以及特点供应

2025年04月06日 22:13
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特种纸是由面浆与各层底浆抄制而成的。所以浆料一般也分为面浆(面层)、二层、三层、四层,各层纸浆料的纤维配比是不同的,而各层浆料的纤维配比,又依据所抄造纸的质量有所差异。
特种纸是一种比较高档的包装用纸,印刷各种商标和包装纸盒,例如:儿童玩具、药品、食品、烟盒、牙膏、礼品盒等包装。白板纸分特级和遍及两种,并且有单面和双面之分。
特种纸具有纸面皎白滑润,厚薄一致,质地紧密,不脱粉掉毛,并且有均匀的吸墨性、弹性功能小,有韧性、折叠时不易断裂等功能。
1.特种纸的含水量高。一般在10%左右,因为纸质较厚,吊晾的设备及时刻的约束,所以印刷厂家大多数不经吊晾就印刷。可是,往往选用预印一道清水的方法来削减拉毛和弹性的现象。
特种纸有哪些作用以及特点
2.特种纸一般情况下,在印刷过程中以印刷实地产品较多,用墨量大,为了削减拉毛现象,印刷时要严格控制油墨的粘度和墨层的厚度,以防反面搭脏。通常是用印刷产品实地墨色进行减弱处理,先印一次底色,然后再印一次原墨,这样不只削减了拉毛、粘脏现象,并且通过两次的印刷叠印。还一起增加了印品的光泽度。
3.单面的特种纸遇潮之后很简单呈现纸张卷曲,七变八翘,然后影响胶印输纸,但是,双面的特种纸比较好。一起,因为纸张较扎实,输纸时简单呈现双张、多张、倾斜时简单轧坏橡皮,所以输纸时要格外当心。
4.特种纸与铜版纸、胶版纸、凸版纸之间的差异在于纸张克度重,纸张比较扎实。

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