推荐回答(1个)
1.复印纸的厚度选择:普通复印纸可以按重量来区分,常见的有70g、80g、90g、100g。从重量角度看,当然是越重越好。但重的价格也随之增加。通常办公用纸选用70g的就能满足大部分的办公打印需求了。重量在60克以下的复印纸,不建议采购。因为,这些纸张都比较薄,用在打印输出设备上很容易产生褶皱,而且纸张之间的摩擦系数也比较大,容易造成多页进纸和卡纸的现象,严重的会影响设备寿命。
同样重量的纸越薄,表示加工层次越高,密度越大,防潮性、挺度、平滑度、复印效果越佳。
一包70克A4复印纸(标准500张)的重量是2.19公斤;而一包80克A4复印纸(标准500张)的重量是2.5公斤.如重量不足,说明不是足克重或张数有问题。
2.中性与显酸性要区分
从复印纸的生产工艺来分,可分为显酸性纸和中性纸,消费者在选购的时候要注意。
1)中性纸为100%木浆,它因木浆纤维较长,纤维之间结合力较好,因此与设备磨擦过程中纤维不易脱落,即不易产生粉尘,对机器及操作者有良好的保护作用。中性纸无腐蚀,使纸不易褪色可长期保存,不会带静电,对人体健康也无害。
2)而显酸性复印纸由于是采用木浆和草浆的混合浆,草浆纤维较短,容易产生粉尘。显酸性纸有腐蚀作用,使纸容易变色,不易长期保存,高温时易产生酸性气体,对人体有害。消费者在选购的时候就要注意区分这两种纸张。
3.白度选择:复印纸根据颜色来区分,可以分为漂白和本白两大类。漂白的纸张更白一些,当文本打印的时候效果会更好,增加整体的美观,建议在对外部时使用。如果是家庭个人或者是公司内部使用,就建议选择本白复印纸,这有利于保护眼睛,因为在灯光下,过白的纸会反射出较强烈的眩光,产生刺眼长期使用的甚至会影响视力。
简单快速区分一张A4纸的好坏的方法:
1.
看纸张的光洁度。中高端的纸,光洁度都不错。这种方法只能区分出是否为低端纸。
2.纸张的挺度。抖动纸张。挺度越好的纸,越不容易卡纸。软绵绵的则会经常出现卡纸现象。不建议使用。
3.看纸的均匀度。把纸逆光,看纸浆的均匀度,均匀度越好的纸,说明质量越好。
4.看纸张的厚度,裁剪规格。
办公用纸的级别
目前,办公用纸的级别可分为三级。一级用纸应用于企业对外文件;二级用纸应用于大批量的对外复印文件;三级用纸一般用于企业内部使用,要求不需太高的文本。
一般用纸的见解:具有AKD中性施胶扬,无腐蚀性,一级用纸的原材料均采用100%纯木桨,
不会产生纸粉,手感柔软,不论如何使用不会磨损复印机零件及打印墨头。在静电方面,一级用纸也作了静电处理,不会出现多张送纸现像。
一级用纸的达标要求是100%纯木桨、不起纸粉不变脆,含水量为4.5%-5.5%。
二级用纸性能:具有AKD中性施胶扬,不具腐蚀性,填料较为柔软,不产生纸粉,静电处理一般,产生卡纸现象偶然,正常使用中不会出现复印不清晰,起皱、翘起等现象。比一级纸张的白度偏低,手感略薄,二级用纸属经济适用型。
三级用纸的性能:适用于打印机打印,复印时会出现卡纸现象,容易出现打印字迹发阴现象,不易长时间立放,容易走型。在日常工作中一般用于打印草稿使用。
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