What are the soft and hard sides of plastic bags? Material or process technology?
The quality of plastic packaging is determined by both the material and the process. The material is no better than the good one. But the hardness of plastic is not a decisive factor in determining the quality of plastic, mainly to see what the use of what needs to keep products
In general, the soft, and toughness and strength are greater, the quality is the best, most durable. Of course, the price should be higher.As for you, which kind of good, depends on your use, cheap, and can meet the use of, that is good, not necessarily have to buy many high priced! The one that suits you is the best!
On the basic price will be a little higher, the brittle is generally PP or PET is done, some relatively low grade. Soft is generally made of multi-layer coextrusion film, barrier, and feel good. This soft about 27000 yuan / ton, while the PP film generally as long as 17000 yuan / ton, ten thousand tons a difference.
