纸箱的基础知识

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纸箱基础知识培训-品质部

印刷PQC检验要点
具体操作：
4.1 检验频率：每30分钟抽检一次，每次抽检数量≥5PCS。 4.2 检验操作与标准如下表：
序号检验项目
标准要求
检测方式
检验方法
1
内容
印刷图案文字清晰、完整、正确，位置准确，尺寸 ≤3mm；条码可读并达到相关级别要求
卷尺目测
将印刷纸板平放于光线较好的环境下检验印面质量情况，根据刷稿核对印刷图案、文字是否准确
纸箱箱型介绍(内部)
P型纸箱
刀卡,隔板注:L=纸长,W=纸宽.
纸箱摇盖加分
纸箱内外尺寸表示
各工序PQC检验要点
1、检验的种类及方式 1.1进料检验
1.2制程检验 1.2.1来料互检; 1.2.2首件检检; 1.2.3过程抽检
1.3成品入库前检验
1.4出货前检验
1.5检验方式:全检、抽样检验 2、相关定义
7
印刷前后瓦楞纸板的厚度差
印刷前后瓦楞纸板的厚度减少；BC型≤0.30mm，C型 ≤0.20mm，B型≤0.10mm
瓦楞纸板测厚
瓦楞纸板测厚仪
8
成型
RSC、HSC箱试成型：方正，楞角分明，摇盖离缝或叠盖 ≤2mm
目测目测试成型后是否方正，楞角是否分明，是否有摇盖离缝、叠盖现象
9
其它
有特殊要求的产品，按工单元宝进行生产
工单要求项目对应的方法
印刷首检操作规程
一：核对印刷稿、啤版图与工单品名是否一致二：纸板瓦楞方向与工单一致
三：按资料或样箱逐字打“√”核对内容及检查印刷位置四：扫条码（选定正确的测定量程上、中、下均衡平
衡划过，测定值与资料数据完全吻合）
五: 检查尺寸，误差在正负1MM之内.

纸板、纸箱基础知识培训考试

纸板、纸箱基础知识培训考试姓名：岗位得分一、填充题（30分每空2分）1. AB楞五层瓦楞纸板其成形后的纸板厚度应保证在mm以上。

2. 纸箱生产压痕工艺的功能“是在压痕设备上用上阳轮和下阴轮对纸板按产品规格要求在处进行压痕处理，将该处压溃”。

3. 纸箱模切工艺刀模版用的分切刀的高度为mm。

4. 柔性印刷用水性墨的品质指标主要是颜色、、粘度、。

5. 客户订制2000个三色套印的异型箱，其纸箱制作安排的工艺流程应是、、打钉（贴合）、检验、打包。

6. 印刷机调整要点下班后一定要把，，刻度归零。

7. 印刷版的品质要求主要有表面硬度、、耐磨性、。

8. 多色印刷机各印刷部的带纸轮的间隙设定必须遵循由前到后逐色的原则。

9. 现场管理的“5S”法，是指活动的五个英文单拼写第一个字母均为“S”而得名，它们分别是整理、、清扫、、素养。

二、选择题（27分每题3分）1. 称得一张瓦楞原纸重量为149g，经烘箱烘至恒重是137g，计算该原纸的含水率为％。

a. 8.0b. 9.3 c . 7.32. 纸箱制作压线宽度的选择应根据、、规格等。

a. 纸板材质b. 楞型c. 印刷要求d.纸板厚度3. 纸箱印刷工艺的功能“是用专用印版在印刷设备上用一定地，将水墨到纸板上。

a. 印压b. 压力c. 转移d. 涂抹4. 印刷用水墨的使用要点是充分摇匀、、剩墨过滤、、适当使用助剂。

a. 质量检测b. 控制速度c.粘度检测d. 容器密闭5 纸箱模切工艺形式有圆压圆、圆压平、平压平，其中生产速度最快地是。

a. 圆压圆b. 圆压平c. 平压平6. 印刷开槽进纸部的精确调整是平行顺畅送纸的保证，调整项目主要有后挡纸座位置、侧挡板、吸风风力、、。

a. 带纸轮b. 踢纸板c. 前进纸挡板间隙d.压纸轮7. 影响纸箱印刷质量的五大要素分别是、水墨、印刷设备、、承印材料。

a. 印刷方式b. 间隙c. 印刷版d.印压8. 客户订制一批五层AB浪纸箱，规格为450×300×400mm，面纸材质较差，应用宽度的凹凸线。

纸板纸箱基础知识学习

基础知识 2006年04月
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第五章瓦楞纸箱的质量检测
2）背面粘脏：印在承印物上的油墨，粘在另一张的背面造成蹭脏。 3）露白：该连接的色彩不密合，露出承印物底色。
露白
基础知识 2006年04月
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第五章瓦楞纸箱的质量检测
4）起线：印刷的油墨浓度太“浅”，造成色彩不连续，形成明显的连续不良“线条”。
基础知识 2006年04月
28
第五章瓦楞纸箱的质量检测
（2）外尺寸的测量高度的测量：纸箱折合后，从纸箱外底部折痕处到外盖折痕的垂直距离，测量点为四角处。（共四处）。如图：
基础知识 2006年04月
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第五章瓦楞纸箱的质量检测
4.钉合/粘合基本要求：钉合不断钉、少钉翘钉，无油污；粘合不少胶、不溢胶、粘合不错位等。
11
第二章瓦楞纸箱的品种、规格(Ⅲ)
2、套合型(03型)
即罩盖型，由两个以上独立部分组成，箱体与箱盖分离，广泛用作中包装，挺力和耐压强度较好。
基础知识 2006年04月
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第二章瓦楞纸箱的品种、规格(Ⅳ)
4、折叠型(04型)
一页纸板成型，盒底板延伸成箱体与盖板，即使不用钉合或粘合也可成型。一般采用E型瓦楞纸板，压痕和模切成型，其上还可设计锁舌、提手和展示板。
基础知识 2006年04月
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第五章瓦楞纸箱的质量检测
5.印刷/开槽 ➢ 印刷/开槽要求 1）印刷除了正确的色彩外，还须考虑到清洁、线条分明和轮廓鲜明。有
无破损、油墨污染、污迹等；开槽要整齐，不能有严重的毛边、爆裂、走位、未切断等不良。
2）色彩要套准确。 ➢ 常见印刷/开槽不良 1）印刷重影：在印刷品上同一色网点、线条或文字出现的双重轮廓。

纸箱基础知识培训

目录一、纸与纸板的定义和分类┄┄┄┄┄┄┄┄1-－2页二、瓦楞纸板的发展及应用┄┄┄┄┄┄┄┄－3—－4页三、瓦楞类型及瓦楞纸板的性能┄┄┄┄┄┄—第5页四、瓦楞纸板的种类及其选择┄┄┄┄┄┄┄-6-７页五、瓦楞纸板的材料特性┄┄┄┄┄┄┄┄┈-7-９页六、瓦楞纸箱的优点┄┄┄┄┄┄┄┄┈┈┈－9-1０页七、瓦楞纸箱的尺寸设计┄┄┄┄┄┄┄┄┈－10—１3页八、瓦楞纸箱的种类及附件┄┄┄┄┄┄┄┄-13—1５页九、出口产品运输包装用瓦楞纸板中华人民共和国国家标准┄┄１６—18页十、出口产品运输包装用瓦楞纸箱中华人民共和国国家标准┄－－19-2０页纸的定义纸是从悬浮液中将植物纤维、矿物纤维或其它纤维沉积到适当的成型设备上，经干燥制成的一张均匀的薄片.纸和纸板的分类从纤维原料制浆造纸所得产品，可以分为纸和纸板两大类。

一般情况下，定量在22５ｇ/m２以下的为纸，定量在２25g／m2或以上的为纸板.定量定量是指纸或纸板每平方米的质量,以ｇ/m2表示。

纸张的分类根据用途，纸张大致可以分为：文化用纸、工业技术用纸、包装用纸和生活用纸四大类。

纸板的分类根据用途,纸板大致可以分为：包装用纸板、工业技术用纸板、建筑类纸板和印刷与装饰用纸板四大类。

纸和纸板的特点1.价格低、重量轻:纸的价格较金属、塑料、玻璃、陶瓷等包装材料低，且重量轻，可以降低包装成本及运输费用。

2.性能优越:纸的质地细腻、均匀、洁白、柔软，而且有耐磨、耐冲击、强度适宜等良好性能。

3.容易粘合和印刷：粘合性能良好，在加工时极易粘合。

纸的质地细腻、均匀、吸墨性强,适印性能良好，能适应各种形式的印刷方法。

4.生产灵活性高:纸张可裁切、折叠、又易粘易钉，适应机械化、自动化生产。

5.无味、无毒、卫生。

6.易回收利用:金属、塑料、玻璃等包装材料用后，废弃物不易处理，常常引起公害,造成环境污染，而纸类包装材料用后极易处理，可直接回收利用,制造废纸浆，有利于环境保护。

瓦楞纸板基础知识

四、瓦楞纸板
1、瓦楞纸板的分类 ➢ 按层数分
分类符号表解读法
示法
单坑 A3A
单粗坑A 面A底
标准表示法 A130/100/A130
双坑
三坑
单见坑双见坑
A=A A≡A A3
A3A3
双粗坑A面A 底三粗坑 A 面 A 底A 面渣底粗见坑 A面渣底粗双见坑
A130/100/100/100/A130 A130/100/100/100/100/ 1A10300//1A01030
问题三
01
02
03
纸箱的抗压强度与纸板的水分和边压强度的关系分别是：
A 成正比、成反比 B 成反比、成正比
C 其他、成正比 D 成反比、成反比
THANKS
➢
G纸：300g/m2 F纸：112g/m2 8纸：310g/m2
➢
W纸：180g/m2
9纸（白）：125g/m2
➢
KW（140g/m2）又叫牛底白 1纸：112g/m2
➢
M纸：160g/m2
5纸：150g/m2m2
➢
7纸：260g/m2
三．不同纸的优缺点
一般来说，市场上用来制作纸板的纸根据产地来分，有九龙纸、台牛纸、美牛卡、加拿大牛卡、南非牛卡、俄罗斯牛卡、巴西牛卡等。国产纸与进口纸最大的区别在于纸板的物理性能。进口纸的物理性能优于国产纸。如美牛纸在耐破和抗压方面比其它纸要好，并且适合印刷，但是成本较高；加拿大牛卡在抗压和耐破方面都优于九龙纸，但不适合印刷，因其表面较粗糙；而九龙纸表面较光滑适合印刷。台牛纸的优点在于耐破要比其它纸较好，但抗压相对较差。因此，选用什么纸，必须根据客户的不同要求而定。

瓦楞纸板基础知识

WHAT ISTHE CORRUGATED?Corrugated fiberboard or "combined board" has two main components: the liner (面纸）and the medium (芯纸). Both are made of a special kind of heavy paper called containerboard (箱板纸).Linerboard (瓦楞纸箱外层的高强箱板纸) is the flat facing that adheres to the medium. The medium is the wavy, fluted paper (楞纸) in between the liners.COMMON BOARD STYLES 常用纸板的种类Single Face: One medium is glued to one flatsheet of linerboard.单面纸板：一层芯纸粘接在一层平面箱板纸上。

Single Wall: The medium is between two sheetsof linerboard. Also known as Double Face.单瓦楞纸板：芯纸粘在二层箱板纸之间，也被称为双层纸板。

Double Wall: Threesheets of linerboard with twomediums in between.双瓦楞纸板：二层芯纸夹在三层面纸之间。

（在中国又被称为五层瓦楞纸板）Triple Wall: Four sheets of linerboard with threemediums in between.三瓦楞纸板：三层芯纸夹在四层面纸之间。

（在中国又被称为7层瓦楞纸板）Flutes 楞形Architects have known for thousands of years that an arch （拱） with the proper curve （曲线） is the strongest way to span a given space （跨越一个给定的空间）. The inventors of corrugated fiberboard applied this same principle to paper when they put arches in thecorrugated medium（瓦楞芯纸）. These arches are known as flutes （楞）and when anchored to the linerboard with adhesive, they resist bending and pressure from alldirections.When a piece of combined board is placed on its end, the arches form rigid columns, capable of supporting a great deal of weight. When pressure is applied to the side ofthe board, the space in between the flutes acts as a cushion（垫子）to protect the container's contents. The flutes also serve as an insulator (绝缘体, 绝热器,保温层）, providing some product protection from sudden temperature changes. At the same time, the vertical linerboard provides even more strength and protects the flutes from damage.Flutes come in several standard shapes or flute profiles (A, B, C, E, F, etc.). A-flute （A楞）was the first to be developed. B-flute was the next and is much smaller than A-flute. C-flute followed and is between A and B in size. It is also the most common large flute profile. E-flute is smaller than B and F-flute is smaller yet. Due to variances in flute sizes between manufacturers, FBA no longer publishes flute guidelines.In addition to these five most common profiles, new flute profiles—both larger and smaller than those listed here—are being created for more specialized boards. Generally, larger flute profiles deliver greater vertical compression strength （垂直压力）and cushioning, while smaller profiles provide better resistance to process and printing crush.Different flute profiles can be combined in one piece of combined board. For instance, in a triple wall board, one layer of medium might be A-flute while the other two layers might beC-flute. Mixing flute profiles in this way allows designers to manipulate the compression strength, cushioning strength （减震强度、缓冲强度） and total thickness of the combined board.Corrugated BasicsWhat is Corrugated?Corrugated boxes are easy to recognize. Corrugated ismade of paper and has an arched layer, called "fluting,"between smooth sheets, called "liner." The corrugated mostcommonly used to make boxes has one layer of flutingbetween two smooth sheets. But there are many types ofcorrugated available, each with different flute sizes andthicknesses（厚度）.Corrugated is an extremely durable, versatile, economical and lightweight material used for custom-manufactured shipping containers（运输容器）, packaging and point-of-purchase displays（销售展示包装，即所谓POP展示包装）, in addition to numerous non-traditional applications ranging from pallets（货盘、托盘）to children's toys to furniture.Why Corrugated?Corrugated. It's not just a brown box.Corrugated is a complete, high-performance material design, manufacturing and delivery system. Corrugated is the preferred packaging material because it is:1. Durable2. Versatile3. Lightweight4. Environmentally Friendly5. High-Tech6. Customizable7. Protective8. Graphically Appealing9. Cost-EffectiveIf it's not just a cardboard box, what is it?A High-Tech Engineered Material.What may come as a big surprise to many is that the ever-present corrugated "cardboard box"is high-tech:1. Ongoing R&D （研发）programs continuously improve such characteristics asstrength-to-weight ratios（强度与重度的比率）, printability, moisture barriers （潮气阻隔） and recyclability.2. Corrugated components, designs and end products are manufactured on sophisticated,automatic equipment that reduces costs and ensures consistent performance.3. The vast majority of corrugated products are designed and prototyped with advanced,computer-aided design （CAD）and manufacturing systems, providing customers with the best and most cost-effective solutions to their packaging challenges.Infinitely Customizable.Corrugated offers thousands of possible combinations of board types, flute sizes (caliper), basis weight, adhesives, treatment and coatings, including flame retardant and static control protection.Corrugated is the only rigid shipping container and packaging medium that can be cut and folded into an infinite variety of shapes and sizes and direct-printed with high-resolution color graphics (including lithography, flexography and silk screening). And corrugated is not just for displays and boxes. Other uses include low-cost, one-way recyclable pallets, retail bulk bins, and lightweight castles that children can build themselves.There are hundreds of basic designs and thousands of adaptations, each chosen on the basis of proven experience and the proposed use of the product.Corrugated is routinely custom-designed to fit specific product protection, shelf space and shipping density requirements (including inner packaging that prevents shifting).Tenaciously Protective.Corrugated combines structural rigidity with superior cushioning qualities. Containers,packages and pallets nest products in an optimally protective environment, so even heavy or fragile contents arrive undamaged.Corrugated offers excellent tear, tensile and burst strength to withstand shipping pressures. It resists impact, drop and vibration damage while offering uniform stacking and weightdistribution so the load stays put, regardless of the form of transportation.Corrugated can be designed to contain flowable, granular or loose bulk products and even hazardous materials. It is also used to ship liquids and fresh foods, with the addition ofremovable plastic or waxed liners which serve as moisture barriers.All this from a material that is lightweight, low-cost and recyclable.Graphically Appealing.Corrugated containers and packaging are mobile billboards that create product imagewherever they travel. Corrugated displays are eye-catching modular units that can be set up quickly and recycled at the end of a promotion.Corrugated is a very flexible medium that accommodates a wide range of printing options to support the end-use requirement:1. Offset lithography and rotogravure (high-volume).2. Flexography or letterpress (shorter runs)3. Silk screening (displays)4. Corrugated can be direct printed in plant or manufactured with high-end process colorgraphics.Preeminently Cost-Effective.One of the least expensive containers ever developed, the overall cost of corrugated shipping containers is usually between one percent and four percent of the value of the goods they carry.The cost of labor and tools required to produce, fill, and move the container is low. The cost of shipping is low, due to lower weights and higher fill densities than alternative packaging. The trend toward light weighting will continue to drive down shipping costs. Low raw material costs and mass production of corrugated containers makes them particularly cost-efficient.The ultimate contribution to cost reduction is when corrugated is used as an all-in-one shipping, storage, advertising and display medium - a growing trend both in warehouse and other retail stores.Environmentally Responsible.Corrugated, made from a natural renewable resource, has a great environmental record.Corrugated is frequently manufactured using high percentages of secondary fiber (including old corrugated containers, kraft, old newspapers and even straw), thereby diverting these materials from the municipal solid waste stream.In 2004, more than 24 million tons of corrugated were recovered and recycled in the U.S. -- that's 73 percent of all containerboard produced in the same year. Corrugated has the best recycling rate of any packaging material used today.In addition, the use of corrugated constructions with high-performance linerboard has led to a significant overall reduction in basis weight and a significant source reduction of raw materials.Water-based inks are now used almost exclusively for printing graphics on corrugated containers, avoiding the use of lead-based inks and solvents which pollute the air and the water used to wash down printing equipment between color changes.Box DimensionsDimensions are given in the sequence of length, width and depth. Internationally, the words length, breadth and height may be used to express these dimensions. The dimensions of a box are described based on the opening of an assembled box, which can be located on the top or the side, depending on how it is to be filled. The opening of a box is a rectangle; that is, it has two sets of parallel sides. The longer of the two sides is considered its length, the shorter of the two sides is considered its width. The side perpendicular to length and width is considered the depth of the box.Dimensions can be specified for either the inside or the outside of the box. Accurate inside dimensions must be determined to ensure the proper fit for the product being shipped or stored. At the same time, palletizing and distributing the boxes depends on the outside dimensions. The box manufacturer should be informed as to which dimension is most important to the customer.。

纸包装结构(纸容器结构分类)

锁口式：锁口式：这种盒盖结构是主盖板的锁头插入相对盖板的锁孔内或者相互扣锁，封口牢固可靠。相对盖板的锁孔内或者相互扣锁，封口牢固可靠。
插锁式：插锁式：插锁式是盒盖部分插入与锁口方式的相互结合。的相互结合。
粘合式：粘合式：粘合封口式盒盖是将盒盖的主盖板与其余三块金襟片粘合。与其余三块金襟片粘合。
纸袋的优点：纸袋的优点：（1）成本低廉）（2）具有良好适用性）（3）有利环保）（4）良好的宣传效应） 4、纸筒、纸筒是以纸为基础材料经过层卷而制成的，纸筒是以纸为基础材料经过层卷而制成的，其中纸管和纸杯筒径较小，纸罐与纸桶径较大。纸管和纸杯筒径较小，纸罐与纸桶径较大。
纸管
单面瓦楞纸板
三层瓦楞纸板
五层瓦楞纸板（双瓦楞纸）
七层瓦楞纸板
二、纸盒基础知识 1、构造、
二、纸盒基础知识 1、构造、
二、纸盒基础知识 2、尺寸、对于长方体包装而言，一般有三个主要尺寸：对于长方体包装而言，一般有三个主要尺寸：长、宽、高（深）。在国内通用标注方式中，长度是指纸包装容器盖部长边在国内通用标注方式中，尺寸，宽度是指纸包装容器短边尺寸，尺寸，宽度是指纸包装容器短边尺寸，高度尺寸指包装容器从盖顶到容器底部的垂直尺寸。容器从盖顶到容器底部的垂直尺寸。
二、纸盒基础知识 3、折合线、
第四节
纸盒设计制作教程
一、经典案例介绍 1、盒盖结构、插入式：这种盒盖由三部分组成，插入式：这种盒盖由三部分组成，一个盖板和两个翼片。封盖时盖插片擦过翼片插入盒体，两个翼片。封盖时盖插片擦过翼片插入盒体，通过纸板之间的摩擦力进行封合。过纸板之间的摩擦力进行封合。
• V形瓦楞波形的特征：平面抗压力值高，瓦楞纸板缓冲性差，瓦楞在受压或形瓦楞波形的特征：平面抗压力值高，瓦楞纸板缓冲性差，形瓦楞波形的特征受冲击变霰后不容易恢复。受冲击变霰后不容易恢复。 • U形瓦楞波形的特征：着胶面积大，粘结牢固，富有一定弹性。当受到外力形瓦楞波形的特征：形瓦楞波形的特征着胶面积大，粘结牢固，富有一定弹性。冲击时，不象V形楞那样脆弱但平面扩压力强度不如V形楞形楞那样脆弱，形楞。冲击时，不象形楞那样脆弱，但平面扩压力强度不如形楞。 • 瓦楞的楞型瓦楞的楞型 • 瓦楞的楞型一般有四种：型瓦楞的楞型一般有四种：A型、 B型、 C型和 E型。型型和型 • 瓦楞纸板的种类瓦楞纸板的种类 • 常用的瓦楞纸板按其层数分有单面单瓦楞纸板、单瓦楞纸板、常用的瓦楞纸板按其层数分有单面单瓦楞纸板、单瓦楞纸板、双瓦楞纸板和三瓦楞纸板。板和三瓦楞纸板。 • 瓦楞纸板的用途

瓦楞纸板基本知识

11.6 14-16
13 25 17-18 28-30 29 30-34 10.2 15
瓦楞纸板的分类
用纸层数分
2层板、3层板、5层板、7层板
按楞型分
A型、C型、B型、E型
• 楞型楞高楞数/300mm 特点
• A 4.5~5.5 34±2
缓冲性好,垂直抗压高,变形大
• B 2.5~3.0 50±2
溃，边压强度必然下降。
楞型厚度要求(国标GB6543)
楞型 A C B E BC AB ACB 厚度(MM) ＞4.5 ＞3.5 ＞2.5 ＞1.1 ＞6.0 ＞7.00 ＞10.5
瓦楞纸板物性－边压强度(ECT)
• 规定尺寸的纸板试样在顺瓦楞方向所能承
受的最大压溃力(N/M)
• 瓦楞纸板最重要物理性能指标之一。 • 直接影响纸箱的抗压力与堆码强度。
( N/M )
• 耐破度 Mullen (Kpa) • 粘合强度 Pin Adhesive Test .PAT (N/
楞.10cm )
• 戳穿强度 Puncture (J)
瓦楞纸板物性－厚度
• 在规定的压强下的所测的厚度。 • 主要决定于楞型、纸张厚度也会有一定影
响。
• 当纸板厚度比正常值低时，说明瓦楞已压
通用通用
通用
通用用于面纸用于里纸
用于面纸通用
用于里纸，耐折度差
特别要求
谨用，耐折度差
特别要求
耐破强度
kgf/cm2 3.2 3.0
2.7-2.8 2.6 1.5 3.4 2.8
环压强度
kgf/152mm 14 12 8-9 7-8 5 9 7
3.8
10.5
6.4 4.4-4.5

纸箱原纸的基础性知识集锦(一)

书山有路勤为径；学海无涯苦作舟
纸箱原纸的基础性知识集锦(一)
近年来，纸箱行业的微利态势逐渐显现，有人甚至声称现在纸箱厂好比就是搬运工，即买进原材料的价钱几乎就是卖出成品的价钱。

俗话说“会卖不如会买”，意思是说你能买到质优价廉的原材料甚至比你能销出
更多的产品贡献还大，采购成本控制因此越来越为大家重视。

纸张是纸箱制品中最重要的耗材，纸张成本是控制纸箱成本的关键。

纸张的采购主要受纸张价格、纸张性能等多方面因素的影响。

价格是市场环境决定的，只有纸张的性能可以根据实际经验判断。

我们要在充分了解纸张性能的前提下，根据实际操作经验对纸张走势进行判断，然后进行纸张的采购。

瓦楞纸箱是由瓦楞纸板折合而成的，而瓦楞纸板是用面纸和瓦楞芯
纸用黏着剂粘合而成的。

因此，原纸可以说是瓦楞纸箱采购中最重要的耗材。

以下，就介绍一下关于原纸的几类基础性知识。

原纸的性质
▲定量(BASIS WEIGHT)
纸的单位面积重量称为定量。

面纸和瓦楞芯纸的定量容许差为增减5％，原纸的各种性质均与基重有密切关系，超出此标准足以影响制品的品质。

定量之检验依国家标准GB 451.2纸和值班定量测定法之规定试样应悬挂于规定温度(20±2℃)及相对湿度(65±2％)之空气中，使其表面得
专注下一代成长，为了孩子。

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纸箱的基础知识
纸箱常用的有三层、五层，七层使用较少，各层分为里纸、瓦楞纸、芯纸、面纸，里、面纸有茶板纸、
牛皮纸，芯纸用瓦楞纸，各种纸的颜色和手感都不一样，不同厂家生产的纸（颜色、手感）也不一样，瓦
楞纸箱国家标准是GB6543—86“瓦楞纸箱”。
1．纸箱类目前常用的几种纸箱有：双塔式纸箱、A工纸箱、天地盖纸箱；常用的封箱方式：工字形﹐
王字形﹐日字形﹔厚度可分为：三层、五层、七层；纸箱常用材质有：A=A A=B K=K
对于瓦楞纸的鉴别：

K=A,A=A,A=B,A3A,
B3B,B3C用来表示纸质
是什么意思?

K纸是最好的,其次下来是A B C了
A3A,表示三层,表面是A的纸,底也是A的纸质,中间有还有一层
K=250g A=175g B=150g C=125g 渣=112g
A3A：中间的3是坑高
C3C即三层板，面纸、内纸为130gC级箱板纸，130g普通瓦楞纸
B=C即五层板，面纸130gA级牛卡纸，内纸为130gC级箱板纸，3条130g普通瓦楞纸
B=C即五层板，面纸130gA级牛卡纸，内纸为130gC级箱板纸，3条130g普通瓦楞纸
＃表示七层纸板，3表示三层纸板，也用－表示，＝表示五层纸板
a.普通纸箱纸质:
普通纸箱纸质X为:K A B C 3 依次变差;
X9X(厚度为2 mm)表示E坑(幼坑) X3X (厚度为3mm)---表示单层
X=X(厚度为6mm)----表示双层 X≡X(厚度为9mm)----表示三层
X----表示表面用纸 , 坑纹----普通之坑纸,
中间层平纸----无表示,则为普通纸. W—表示白书纸,
单坑(纸质) 双坑(纸质) 三坑(纸质) 幼坑(纸质)
C33 B=3 B≡B B9B
B33 B=C B≡C B9C
B3C B=B B≡3 A9A
B3B A=B A≡B A9B
A3B A=A A≡A W9A
W3B W=B W≡B W9B
b.普通纸箱材料之选择:
一般用B=B,纸厚度约为6mm,该种材料最低.如果客人有要求,也可用A=B,这种材质比B=B强度好,
价格偏高，而A=A纸质比A=B、 B=B好,厚度为6mm,价格也偏高,除非特殊要求才选用.

楞型楞高，mm 楞数，个/300mm
A 4.5-5.0 34±2 4.5
C 3.5-4.0 28±2 3.5
B 2.5-3.0 50±2 2.5
E 1.1-2.0 96±4 1.1

纸箱的基础知识

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纸箱原纸的基础性知识集锦(一)