Polyester loop velvet fabric is a type of fabric that has a soft and luxurious feel. It is commonly used in the fashion industry for clothing, upholstery, and accessories. The production process of polyester loop velvet fabric involves several stages, which are described below:

Yarn preparation: The first stage of the production process is yarn preparation. Polyester fibers are spun into yarns, which are wound onto spools or cones.

Warp preparation: The warp is the set of yarns that run vertically through the fabric. The warp yarns are wound onto a beam and then transferred to a loom for weaving.

Weaving: The next stage is weaving. The warp yarns are threaded through the loom and the weft yarns are woven over and under the warp yarns to create the fabric.

Dyeing: After the fabric is woven, it is dyed to the desired color. This can be done using various methods such as vat dyeing, reactive dyeing, or disperse dyeing.

Finishing: The final stage of the production process is finishing. The fabric is treated with various chemicals and processes to improve its quality, appearance, and performance. This can include processes such as brushing, shearing, or embossing.

Loop cutting: In the case of loop velvet, the fabric is cut in a way that creates loops on the surface. This is done using a machine called a loop cutter.

Heat setting: After loop cutting, the fabric is heat set to ensure that the loops stay in place.

Inspection: Finally, the fabric is inspected to ensure that it meets the required quality standards. Any defects or flaws are identified and corrected before the fabric is shipped to customers.