The color of paper corner protection is generally selected as the nature of paper, which is good for cost control and environment maintenance. The appearance shall be clean and tidy, and there shall be no obvious defects such as oil stain, water stain, sticky mark and speckle, so as to avoid pollution to the goods being maintained. The paper corner cutting edge should be uniform, can not show obvious burr. The surface of paper corner guard should be flat, the angle of each meter of paper corner guard should not be greater than 90 degrees, and the longitudinal bending should not be greater than 3 mm.

外表不允许呈现裂纹,边角不能有松软或开裂现象,边角两边的尺寸误差小于两毫米，外面和里面各接触面的涂胶要平均充沛，粘接结实。

Cracks are not allowed on the surface, and the edges and corners are not allowed to be soft or cracked. The size error of both sides of the corner is less than 2mm. The external and internal contact surfaces should be evenly coated with sufficient glue and firmly bonded.

不能呈现有离层脱胶的现象。外形和用处都没有什么改动，只是直条形，用作纸箱等的护边物。但是，随着需求的不时增加，其运用范围也在不时地扩展，术请求和外观请求关于纸护角的技比方从之前作为纸箱护边物开展到作为钢卷等桶形物体护边物的环绕护角。U型护角作为纸护角的另一种变形，其运用量也正在不时上涨。

There is no phenomenon of delamination and degumming. There is no change in the shape and use, but the straight strip is used as the edge protection for cartons and so on. However, with the increasing demand from time to time, the scope of its application is also expanding from time to time. The technology of paper corner protection in technical request and appearance request is developed from the former as carton edge protector to the surrounding corner guard as barrel object edge guard such as steel coil. As another deformation of paper corner guard, U-shaped corner guard is increasing from time to time.

往常，U型护角主要用于纸托盘的消费。与V型护角相比，U型护角占有很大的优势。纸托盘运用U型护角能增加纸托盘的承重才能，也便当了纸托盘的加工消费，进步消费纸托盘的效率。具有可将产品束在一同使整体包装愈加坚实结实，把货物固定在托盘上起到维护产品及其边缘的作用，在搬运过程中维护和支撑产品及可依据客户的不同规格及请求量身定做等优点，在产品包装中应用越来越普遍。

Usually, U-shaped corner guard is mainly used for paper tray consumption. Compared with V-type corner guard, U-shaped corner guard has great advantages. The use of U-shaped corner guard can increase the load-bearing capacity of paper tray, facilitate the processing and consumption of paper tray, and improve the efficiency of consumption paper tray. It can bundle the products together to make the overall packaging more solid and solid, fix the goods on the pallet to maintain the products and their edges, maintain and support the products in the process of handling and can be customized according to different specifications and requests of customers, so it is more and more widely used in product packaging.

1、纸护角能够有效起到维护产品外观边缘的作用。假如是一些框框之类的产品，假如可以对四角停止有效的装置的话，常常可以带来十分好的固定作用，关于我们的物流以及安放也可以起到十分好的效果。

1. Paper corner guard can effectively maintain the appearance edge of products. If it is some frame products, if it can stop the effective device on the four corners, it can often bring a very good fixed effect, and our logistics and placement can also play a very good effect.

2、纸护角具有减少叠放压力的作用。在纸箱中，假如反复性安放产品的话，关于我们来说常常会产消费品压碎等状况。假如运用这样的一种纸护角的话，就可以在一定水平上减少这样的难题。

2. The paper corner protector can reduce the stacking pressure. In cartons, if repeated placement of products, on our part, often produce consumer goods crushing and other conditions. If the use of such a paper corner guard, it can reduce the problem to a certain extent.