... , bacteria, mildew, wear, sunlight and abrasion. Azo free. Our bonded nylon thread remains unbroken, and plies stay together do not split ... . It has better tenacity and stretch than unbonded nylon thread. For many applications, such as luggage, shoes and ... , parachute and other heavy duty sewing. It contains the general nylon's character, low elongation's super quality, high strength, water ...