重型瓦楞纸箱分为Ⅰ类纸箱、Ⅱ类纸箱之分。Ⅰ类纸箱分为开槽型A型、套合型B型、半开槽型箱体加箱盖C型。Ⅱ类纸箱是指除了Ⅰ类纸箱之外的其他重型瓦楞纸箱产品。如木框架纸箱、裹包式纸箱等等。
Heavy corrugated boxes are divided into class I and class II. Class I cartons are divided into slotted type A, sleeve type B and semi slotted type C with box cover. Class II carton refers to other heavy corrugated carton products except class I carton. Such as wooden frame carton, wrapping carton and so on.
重型瓦楞纸箱都要求有明显清晰的印刷图文，箱体表面感觉整洁，没有明显漏洞或包角等缺陷，同时也有明确的纸箱种类、代号、生产日期、制造厂商等信息。
Heavy duty corrugated boxes are required to have obvious and clear printed graphics, the surface of the box feels clean and tidy, and there are no obvious defects such as loopholes or corners. At the same time, there are also clear information about the type, code, production date and manufacturer of the box.
Ⅰ类重型瓦楞纸箱检测
Detection of type I heavy corrugated box
Ⅰ类纸箱的物理性能检测项目主要有内装物质量、综合尺寸、瓦楞板更小综合定量、更小耐破强度、更小戳穿强度、更小边压强度。瓦楞纸芯定量不应该小于127g/㎡。双瓦楞纸箱，楞型应该为A-A型，三瓦楞纸箱楞型应该为C-A-A型或A-A-A型。如果是防水纸箱，则纸板更外层应该涂有防水树脂的防水纸板。
The physical performance test items of class I carton mainly include the maximum quality of the contents, the maximum comprehensive size, the minimum comprehensive quantity of corrugated board, the minimum bursting strength, the minimum puncture strength and the minimum edge pressure strength. The core weight of corrugated paper should not be less than 127g / m2. Double corrugated box, corrugated type should be A-A, three corrugated box corrugated type should be c-a-a or a-a-a. If it is a waterproof carton, the outermost layer of the cardboard should be coated with waterproof resin.
Ⅱ类重型瓦楞纸箱检测
Detection of class II heavy corrugated box
Ⅱ类纸箱物理性能检测要求符合GB/T6544 规定的D-1.5以上的双瓦楞纸板或T-1.2以上的三瓦楞纸板。Ⅱ类纸箱检测要求比较多，如纸箱的加强材料、尺寸与公差、压痕、开槽与裁切刀口质量、手挽孔或提手质量、摇盖质量、钉合质量、粘合质量、抗压能力、机械冲击能能、防潮、防火性能等等都需要满足其规定。
The physical properties of class II carton shall meet the requirements of double corrugated board with d-1.5 or above or triple corrugated board with t-1.2 or above specified in GB / t6544. There are many inspection requirements for class II carton, such as the reinforcement material, dimension and tolerance, indentation, slotting and cutting edge quality, hand hole or handle quality, swing cover quality, nailing quality, bonding quality, compression resistance, mechanical impact energy, moisture resistance, fire resistance and so on.
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