Waterproof moisture-proof packing bag for fine powder products

摘要

The present invention relates to a waterproof and moisture-impermeable packaging bag for a fine powder product, and is produced by using the fabric of the present invention, the end seal finishing material and the hot-melt transparent resin film, so that the contents are discharged through the upper and lower sewing lines Features; The material of the envelope main body 10 is excellent in elasticity and elasticity and the cracking phenomenon is extinguished; Features that can be automated; Characterized in that the contents are not discharged through the hole (101); The production process is simple and the double bag is not used, which is advantageous in economy.