EVA is a kind of plasticizing material from resin. Different proportion of EVA has different properties and uses. The EVA used as the internal supporting material for bags generally contains 5% – 10% vinyl acetate. This material has low elasticity and certain hardness, which can support the shape of backpacks.
There are many types of hooks, there are very standard plastic hooks, there are some strange shapes. Generally speaking, no matter what kind of accessories, the stranger the appearance, the less use it is. Who calls the parents too professional? Here are a few typical introductions. Plastic hooks are rarely used on plug-in systems, because […]
Some backpacks need to be made very strong, very fleshy, which requires making the outer skin of the backpack thick and carrying more auxiliary materials inside. Commonly used supporting materials include EVA, pp Foam, PVC band, bran paper, etc. Based on different parts and hardness requirements, different materials are used to support the whole product.
It can hold a computer, mobile wallet key, sports bottle, glasses case and power cord, so it cannot be too small
The backpack will be squeezed during transportation, so in order to reduce the crush on the shape of the backpack during transportation, the newspaper or air bag will be filled when the backpack is packed, and then the dust bag or plastic bag will be put outside. Plugging paper will be more environmentally friendly, but […]
Red bags are more bright, white is the first choice with red bags, can make red more conspicuous.
In the process of bag production, there are always many uncertain in the emergency time. It is required that the documentary business should have sensitive tactile response to the problems. Because there is no time to correct when there have problem, so we need to prevent the problem exist, relevant quality inspection departments should be […]
After special processing, the fur is used to make various leather goods. There are many types of leathers, various varieties, different structures, different qualities, and very different prices. Therefore, genuine leather is not only a collective name for all natural leathers, but also an ambiguous mark on the commodity market.
The thickness of Pu can be seen first. The thicker Pu is, the thicker PU coating is required so the stronger Pu will be, and the better the quality the PU is. It can also be observed that the thinner the bottom of the PU is, the worse the quality is, because the stress of […]
1.First of all, pass in through the second hole of the adjusting buckle and leave it with sufficient length. 2.Put it out through the first hole again