They do no longer have the strength or durability of synthetic fibers and they have low elasticity and low energy wet, but their great advantage is their high luster for use in embroidery.
Silk sewing thread is made each as the continuous filament extruded by the silkworm and as broken filaments spun into a yarn.
PTFE sewing thread:
PTFE sewing threads very highly-priced but they have a few professional industrial makes use of where their whole non-flammability, non-melting property, and high resistance to chemicals make them important.
Polyester is taken into consideration the great fiber for maximum sewing thread applications, having a low cost, high strength, suitable chemical properties, favorable elastic characteristics, and correct dye fastness.
Nylon thread has a high strength to a fineness of polyester but less favorable extension characteristics. Nylon thread used knitted fabric and swimming.
Linen was once used much more than it is now for making strong garments, rather stiff threads
for heavy seaming and also for button sewing
The natural fiber used most frequently is cotton. Cotton threads in standard provide exact stitching performance
Aramide threads are not used at a large rate because of the greater expensive.it is very costly. Its name is Nomex.
Mercerized cotton thread:
This type of thread is finished by caustic soda solution with the tension of caustic soda, which
reasons the fibers to swell and come to be rounder in cross-section.