Bonded Nylon Thread

https://www.rongduthread.com/products/heavy-duty-nylon-bonded-thread/

Bonded Nylon Thread
Strong bonded nylon thread is made from nylon 6 and nylon 6.6 filament thread with the bonding agent giving this bonded heavy duty 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 nylon sewing thread is suited for mattress, bedding, sofa, leather, sports goods, footwear, denim, jeans that require excellent stretch and more tensile strength.