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Polypropylene suitcases are all the rage right now. This is easy to explain if we consider the properties of the material from which they are made.
Many years ago, these suitcases were very hard and heavy. It was almost impossible to break them, the reliability is such that everything that was bought 10 or more years ago is intact to this day. Suffice it to say that the stretch ratio of ordinary polypropylene reaches 300%. Until now, those who transport fragile items, glass, antiques and other valuables use just such solid and powerful polypropylene suitcases. With the advent of lighter weight polycarbonate luggage, the popularity of polypropylene has greatly diminished. But it wasn't there!
Polypropylene suitcases at Koffer.UA
- Polypropylene suitcases are experiencing a renaissance thanks to the advent of macromolecular compounds. Now this material has become much more flexible and closer to rubber. If earlier such luggage was on a frame and closed with latches, now it is possible to install a zipper. These suitcases bend in all directions, and the top flap can be practically wrapped around your hand! Now you can only break the hardware. There are also small features. Due to the softness and elasticity of the material, it is quite easily scratched. But engineers and designers easily found a way out. It is enough to make the surface textured and the scratches become invisible. Well, perfectionists can use reusable covers. They are much more profitable than film and safer for the environment.
- Usually, polypropylene suitcases also have stiffeners in order to better absorb shocks and keep a given shape. Competent design always allows you to do it beautifully and in an original way. In addition, concave areas can be made semi-gloss, as they do not scratch.
- And, of course, the pinnacle of technology was the use of woven polypropylene. Several of the world's largest manufacturers are already using fabric from these materials for the production of suitcases. Outwardly, it looks like carbon fiber or ordinary semi-gloss plastic, but in reality it is an unrealistically strong material that has the properties of a fabric, but keeps its shape.
And it makes a lot of sense to choose this kind of luggage, even though it is more expensive for those who travel a lot. Checked on myself. We have suitcases that have survived from 30 to 160 flights, and they are alive. At the most experienced, only worn-out wheels were changed, and even then not because they broke.