Nowadays, with the improvement of economic level, our concept of environmental protection is also increasing day by day. Many manufacturers are optimistic about the development prospects of non-woven bags, and they have all invested in this industry one after another. However, in the face of so many non-woven bags on the market Bag, what are the parameters that determine the quality of the non-woven fabrics?

1. The lathe who looks at the non-woven bag
Everyone should be aware that stitching is very important in the process of non-woven bags. In order to save costs, cheap non-woven bags usually only use a single thread when running the locomotive. Inexperienced workers are employed to make the product stitching line not straight or even running.

2. Look at the grams of non-woven fabrics
The number of grams here refers to the weight of the non-woven fabric in 1 square meter. The heavier the weight, the more non-woven fabrics are used. Naturally, the thicker and stronger the non-woven fabrics are. For the non-woven bags used by ordinary enterprises for publicity, most of them are used to save costs. It is suitable for 80 grams of non-woven fabrics, 80 grams of non-woven fabrics can be reused about 10 times, and the feel is relatively thin. 70 grams can bear 4-5 kg ​​weight, 80 grams can bear 5-6 kg weight, and so on.

3. Look at the non-woven process
A good-quality non-woven bag is not only strong and durable, but also looks good. It is very classy in the hand. Most of the non-woven bags on the market are screen-printed. Screen-printed non-woven bags are cheap and have lines Clearly, in addition to human factors, another important indicator is pigments. Some unscrupulous manufacturers choose inferior dyeing agents, which makes the non-woven bags not environmentally friendly and even has a pungent odor.