Bag Closing Sewing Thread
Kingbird Bag closing sewing thread is a service thread, also called the envelope thread.
It is divided into civilian bag sewing thread and industrial bag sewing thread.
This is mainly for civilian or industrial yarn bags. So far, it uses pure polyester chemical fiber as raw material.
The material is known for its: Alkali resistance, corrosion resistance, acid resistance and so on. Bag closing thread is widely used to make woven bags, paper bags, sacks, composite bags for seams.
Why Kingbird Bag Closing Sewing Thread
Kingbird sewing thread has no knot, high elongation and good glossiness. It’s also weather and corrosion resistant.
Kingbird sewing threads come in a wide range of specifications such as: 10S/2, 10S/3, 10/4, 12S/4, 12/5, 12S/6, 20S/3, 20S/4, 20S/6 and so on.