How to distinguish non-woven fabrics by fluorescence method?

Nowadays, with the improvement of the economic level, people’s concept of environmental protection is also increasing. Many companies are also optimistic about the prospects of non-woven bags. They have successively invested in the non-woven fabric industry. However, in the face of so many non-woven fabrics in the market How to distinguish the true and false of the cloth bag? To distinguish the true and false of the non-woven bag, we first need to understand several parameters that determine the quality of the product: 1. Observe the line of the non-woven bag The sewing process is very important. In order to save costs, cheap non-woven bags usually only use a single thread when the locomotive is routed. The employment of inexperienced workers makes the product stitching line not straight or even running. 2. Observe the non-woven fabric gram weight refers to the weight of the non-woven fabric in 1 square meter. The heavier the weight, the more non-woven fabrics are used, and the thicker and stronger the non-woven fabrics are used for publicity by ordinary enterprises. In order to save costs, most bags are suitable for 80 grams of non-woven fabrics. 80 grams of non-woven fabrics can be reused about 10 times. The hand feels thinner. 70 grams can bear 4-5 kg u200bu200bweight, and 80 grams can bear 5-6 kg weight. And so on. 3. Observe the non-woven fabric production process. Non-woven fabric bags are not only strong and durable, but also look good. It is a high-quality non-woven fabric bag when it is held in the hand. Most of the non-woven fabric bags on the market are Silk-screen printing, screen-printed non-woven bags are cheap and have clear lines. In addition to human factors, there is another important indicator: pigments. Some unscrupulous manufacturers choose inferior dyes, resulting in non-woven bags that are not environmentally friendly and even have a pungent smell. . You can also smell the non-woven bags to distinguish.