The advantages and disadvantages of PC zipper suitcase

There are many kinds of suitcases, one of which is PC zipper suitcase. Some people don't know much about PC materials, let's find out together today~
1. Is the PC zipper suitcase hard or soft?
PC zipper suitcases are hard boxes. In fact, in addition to pure PC, many boxes are now made of PC+ABS material, which is also a hard box. In addition to pc, there are metal hard cases. The Oxford cloth material belongs to the soft box.
2. The advantages and disadvantages of PC zipper suitcase:
PC is a new type of polymer resin material, which has the characteristics of waterproof and wear-resistant, easy to clean, high temperature and low cold resistance, impact and extrusion resistance, and can withstand high-intensity impact and extrusion.
Compared with other plastic materials, the density of PC material is relatively high, and it has the same hardness as other plastic materials when it does not need to reach the thickness of other plastic materials, so PC zipper suitcases are lighter.
However, the cost of the new pure PC material is higher, so the price is relatively more expensive, and compared with metal, the rigidity is insufficient and it is easy to be scratched.