Zwibond thread has a unique internal bonding, making it suitable for use on the most demanding sewing machines.

Меня интересует, что такое "internal bonding" в нитках Zwibond?
Спасибо.

Production of fabric > Noninterlaced fabrics > Bonding
Several methods for making nonwoven materials are now firmly established, and others are being developed.

In adhesive bonding, fabrics are made by forming a web of fibres, applying an adhesive, then drying and curing the adhesive. The web can be produced by a garnett machine or a conventional card, several layers being piled up to obtain the required thickness. Such…