
Printing Introduction
Non woven fabric bags generally use screen printing technology, commonly
known as "screen printing", which has always been a commonly used printing
process by many manufacturers. Generally, manual printing is used, but due to
the odor and insufficient color, it is easy to peel off. Therefore, many new
non-woven printing methods have emerged. Here, we introduce several mainstream
methods in the market:
Watermark printing
It is named after its use of water-based elastic adhesive as a printing
medium and is commonly used in textile printing, also known as printing. Mix the
color paste with water-based elastic glue during printing. When developing the
printing plate, chemical solvents are not used and can be directly rinsed with
water. Its characteristics are good coloring power, strong covering and
fastness, water resistance, and basically no odor. Generally used for printing:
canvas bags, cotton bags.
Gravure printing
The finished product processed using this method is usually called a
laminated non-woven fabric bag. This process consists of two steps: first, the
traditional gravure printing process is used to print the images and text onto
the film, and then the film with the patterns is laminated onto the non-woven
fabric using the lamination process. This process is commonly used for non-woven
bags with large area color pattern printing. Its characteristic is exquisite
printing, machine production throughout, and short production cycle. In
addition, the product has excellent waterproof performance, and the durability
of the finished product is also better than that of non-woven fabric bags
produced by other processes. There are two options for thin films: glossy and
matte, with matte having a matte effect! This product is fashionable and
elegant, durable, with full color and realistic patterns, but the disadvantage
is that it is relatively expensive.
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The State Administration for Market Regulation encourages the optimization of food packaging labels
Function of food packaging bags.food products and packaging