Non-woven fabric is a kind of non-woven fabric according to the production process, such as spunbond, spunlace, heat sealing, needle punching, melt-blown, hydrophilic, etc., the fabric of each production process will also have great differences in characteristics. Adhesive nonwovens are generally used in the manufacture of non-woven bags. Some of the non-woven properties we usually know are moisture-proof, light in texture, easy to decompose, non-toxic and non-irritating, rich in color and low in price. With the vigorous promotion of environmental protection bags, the application of non-woven fabrics has been rapidly developed in recent years, and has been widely used in clothing, home decoration, industry, agriculture, and medicine.
       The quality of non-woven fabrics is mainly affected by the raw material particles. The non-woven fabrics produced on the market have the difference between the recycled materials and the new materials. The new material ton price is several thousand tons higher than the return material, so a non-woven fabric The price on the bag will vary greatly. We measure the quality of the non-woven fabric by checking the corresponding parameters.
At present, we mainly detect through the following aspects:
    1. The stretchability and wear resistance of the fabric.
    2. The color fastness of the fabric after rubbing and the color fastness after washing.
    3. Antistatic and fabric burning properties.
    4. Moisture regain, air permeability, moisture permeability, oil content and fabric purity.