Production and manufacturing processes for PU suppliers and wholesalers
- Preparation of substrate
Manufacturers choose suitable substrates, usually using textiles or non-woven fabrics as substrates. The substrate needs to be cleaned and treated to ensure a smooth surface and free of impurities
- Surface coating
Make polyurethane (PU) coating material into a liquid state, and then evenly apply the coating on the surface of the substrate using methods such as spraying, scraping, or dipping
- Drying and curing
After coating is completed, the substrate of the coating is sent to the drying room for drying, allowing the coating to solidify and solidify, forming a PU layer
- Surface treatment
As needed, surface treatment of the PU layer, such as sanding, embossing, printing, or dyeing, is carried out to give it the desired appearance effect
- Backing processing
As needed, processing can be carried out on the back of the PU layer, such as coating or adhesive backing, to increase strength and stability
- Organize and Crop
The manufacturer arranges, cuts, and trims the finished PU synthetic leather to meet the required size and shape
- Inspection and Quality Control
The purchaser inspects the finished product, checking its appearance quality, strength, and durability indicators to ensure that the product quality meets the standards
- Packaging and Delivery
Package qualified PU synthetic leather and prepare for factory shipment and wholesale supply to various parts of the world