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What Are the Common Flocking Methods?
The principle of flocked materials is based on the physical property that like charges repel and opposite charges attract. The fibers are given a negative charge, and the object to be flocked is placed under zero potential or grounded conditions. The fibers are attracted to the object due to the opposite charge, and because the object is coated with adhesive, the fibers adhere vertically to the surface. A flocking production line can fully automate the process, including adhesive application, flocking, drying, and removal of loose fibers, saving labor and providing a wide range of applications. Electrostatic flocking machines are divided into two types: one outputs high-frequency high-voltage, and the other outputs power-frequency high-voltage.
Box-Type Flocking:
A flocking box is made according to the size and shape of the product to be flocked. Fibers are placed inside the box, and power is applied, forming a high-voltage electric field within the box. The product is placed into the box from one end, and after three to five seconds of processing, it is removed from the other end and dried either in an oven or by air. When cleaning flocked materials, avoid soaking, rubbing, or brushing them in water. Instead, gently wipe with a cotton cloth dipped in alcohol or gasoline.
Common Applications:
Flocking is commonly applied to fabrics, leather, paper, nonwoven fabrics, PVC, sponge, various handicrafts, and flocked printed gift boxes. Flocked materials have the following characteristics: strong three-dimensional effect, luxurious and elegant appearance, glamorous and cozy texture, non-shedding fibers, abrasion resistance, and smooth, gap-free surfaces.
Spray-Type Flocking:
After connecting to the power supply, the flocking machine generates tens of thousands of volts of high-voltage static electricity, which is delivered to the spray head. Fibers inside the spray head acquire a negative charge. The adhesive is applied to the surface of the object, and the spray head is moved close to the object. Under the action of the high-voltage electric field, the fibers fly from the spray head to the adhesive-coated surface, adhering vertically to the object.
