lower elasticity. duralene sewing thread achieves a good balance between the two. twist and ply – duralene sewing thread is a three-ply yarnof primary (s) twist and secondary (z) twist. the twist is based on the requirements of bag closing and other standard industrial sewing machines, rotation of...
lower elasticity. duralene sewing thread achieves a good balance between the two. twist and ply – duralene sewing thread is a three-ply yarnof primary (s) twist and secondary (z) twist. the twist is based on the requirements of bag closing and other standard industrial sewing machines, rotation of...