rongduthread
https://www.rongduthread.com/products/heavy-duty-nylon-bonded-thread/
Bonded nylon cord is made from nylon 6 and nylon 6.6 filament thread with the bonding agent giving this bonded nylon thread added strength, heat tolerance and reduces friction at the needle resulting in smooth stitches. With the peak performance and unbeatable efficiency, the bonded heavy duty thread of nylon is suited for mattress, bedding, sofa, leather, sports goods, footwear, denim, jeans that require excellent stretch and more tensile strength.
Bonded Nylon Thread vs Bonded Polyester Thread
Elasticity
Bonded Nylon Thread has a higher degree of elasticity compared to Bonded Polyester Thread, which can be beneficial for sewing applications that require flexibility and stretch.