Suitcases are classified according to material characteristics. Generally, they can be divided into hard cases and soft cases. Most hard cases have the characteristics of high temperature resistance, wear resistance, impact resistance, waterproof, and compression resistance. The hard shell material can protect the contents from being squeezed. Compared with impact, the disadvantage is that the built-in capacity is relatively fixed. Soft boxes can bring flexible use space to users, and most of them are light in weight and strong in toughness.

Common hard case materials for suitcases

1. ABS material
The main material for hard case production, most of the suitcases made from it are thermal vacuum forming. The suitcase has a more exquisite interior and the surface of the case has more changes. It is more impact resistant than the soft case, but the weight of the case is heavier because of the existence of the frame. However, it is sturdy to protect the clothes from getting wrinkled, and it is not easy to damage fragile products. Try to fill it as much as possible when using it, press it once and then close it. ABS is basically a very durable material.

2. PP material
The main material for hard case production, most of the suitcases made from it are heat-shrinked molding, the inside and outside of the box body are of the same color series, and there is no inside. The development cost of PP material is relatively expensive, and the product price is also high. The parts and accessories are special equipment and cannot be modified. Therefore, only professional brands and manufacturers have the ability to produce. Its characteristics are impact resistance and good water resistance.

3. Aluminum-magnesium alloy
The main material made of hard cases is also the most familiar material. Because it is metal, its plasticity is strong, and it is durable, wear-resistant, and impact-resistant. Generally, the box can be used for five years and ten years. The tie rods of this material There are one-piece moldings and combination moldings. They are very elegant and beautiful. However, when compared with suitcases made of other materials, the weight and price are much higher.

4. PC material
The main material made of hard case, it has excellent electrical insulation, extensibility, dimensional stability and chemical resistance. Indices such as strength, heat resistance and cold resistance are also satisfactory, but its hardness is relatively insufficient, and it is usually used in combination with ABS materials.

Common soft case materials for suitcases

1. EVA material
The main material for soft cases, the use of EVA material combined with cloth or leather is a revolutionary trend in recent years. This kind of suitcase looks like a hard case, but the weight is very light, the panel of the case has many changes, and the functional design is expanded. It is relatively strong and can adapt to most consumers. It has become popular in recent years.

2. PE material
The main material made of soft box, strictly speaking, PE material is not soft enough, it is lighter than ABS material but more impact resistant. People often combine it with cloth or leather to form a soft case. The combined suitcase has the safety of a hard case and the lightness of a soft case. The disadvantage is that if the stitching of the car is split, the suitcase will be scrapped. Therefore, we must pay attention to the rationality of space use.

3. Nylon, Oxford cloth, polyester, leather, PU material
Nylon, Oxford cloth and leather are the main materials for making soft cases. They are more wear-resistant and have average product appearance, but they are economical and practical. They can be used for several years. Leather has a good texture, which can greatly improve the appearance of the product. Pay attention to daily maintenance when using it. As artificial leather, PU has the same advantages as leather, but its price advantage is very obvious.

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