... . Nylon 6. 0 Bonded, Nylon 6.6 Bonded, general nylon thread for chosen.2. Specification: 21D / 2, 210D / 3, 210D / 4, 210D ... shoes, sofa, curtain, net, finshing articles, leather, sport wear.This thread is bonded by the resin finished by special heat-setting ... not split. It has better tenacity stretch than unbonded nylon thread. For many applications, such as luggage, leather, canvas, safe bag, seat ...