办公纸类大全：从A4到B5，你需要知道的纸张知识 在日常的办公工作中，纸类是不可或缺的元素。从A4到B5，不同的纸张尺寸和类型在各种场景中发挥着重要作用。本文将详细介绍你需要的办公纸类知识。 一、纸张尺寸

1. A4纸 A4纸是最常见的办公用纸，其尺寸为210mm x 297mm。由于其尺寸适中，适合各种打印和复印需求，因此广泛应用于文件打印、报表制作、草拟文档等场景。 2. B5纸 B5纸的尺寸比A4纸小，为176mm x 250mm。由于其小巧的尺寸，常用于便签、笔记本、小册子等制作。 二、纸张类型 1. 复印纸 复印纸是最基础的办公用纸，具有较好的打印效果和耐用性。常见的复印纸有70g、80g等不同克重的产品，克重越高，纸张的厚度和强度越大。 2. 打印纸 打印纸通常用于打印机输出，具有较高的墨水吸收性和抗油性。常见的打印纸有喷墨打印纸、激光打印纸等。 3. 信封纸 信封纸是一种专门用于制作信封的纸张，具有较高的韧性和防水性。常见的信封纸有牛皮纸、白卡纸等。 三、其他知识 1. 纸张的颜色和质感对文档的外观有很大的影响，不同的纸张材质会改变文字的颜色和形状。 2. 选择环保、无化学残留的纸张可以减少环境污染和对健康的损害。因此，越来越多的人选择使用可循环再生纸张或天然纸张。 3. 在储存和搬运纸张时，要注意避免潮湿和阳光直射，以防止纸张变形和变质。 4. 在选择和使用纸张时，还需要考虑其耐用性、易用性和经济性等因素。对于一些需要长期保存的文件，建议使用更耐用的纸张类型。 Office Paper Knowledge: From A4 to B5, What You Need to Know In daily office work, paper is an indispensable element. From A4 to B5, different paper sizes and types play important roles in various scenarios. This article will introduce the knowledge of office paper that you need. First, paper size. A4 paper is the most common office paper with a size of 210mm x 297mm. Due to its moderate size, it is suitable for various printing and copying needs, and is widely used in document printing, report production, and drafting documents. B5 paper is smaller than A4 paper, with a size of 176mm x 250mm. Due to its small size, it is often used for notes, notebooks, booklets, etc. Secondly, paper types. Copy paper is the most basic office paper with good printing effect and durability. There are different gram weights of copy paper such as 70g and 80g. The higher the gram weight, the greater the thickness and strength of the paper. Printing paper is usually used for printer output and has high ink absorption and oil resistance. There are inkjet printing paper and laser printing paper. Envelope paper is a kind of paper specially used for making envelopes, with high toughness and water resistance. There are kraft paper and white cardboard. Thirdly, other knowledge. The color and texture of the paper have a great impact on the appearance of the document, and different paper materials will change the color and shape of the text. Choosing environmentally friendly paper with no chemical residues can reduce environmental pollution and damage to health. Therefore, more and more people choose to use recyclable or natural paper. When storing and handling paper, it is necessary to avoid dampness and direct sunlight to prevent paper deformation and deterioration. When selecting and using paper, factors such as durability, usability, and economy should be considered. For documents that need long-term preservation, it is recommended to use more durable paper types.