Heavy Duty Filament Sewing Thread

If you are seeking out threads for sewing a few of layers or some fairly thick or stiff fabrics, our strong sewing thread is just what you need. The thread is available in polyester and Nylon along with many different sizes and colors. The thread will not fray, unravel or break when sewing at high speeds that results in stitching evenly and smoothly. We also apply adequate lubricants to further avoid skipped stitches, breaks and damage caused by extreme temperature of needle during sewing.       

Types of Heavy Duty Filament Sewing Thread

Heavy Duty Nylon Sewing Thread

Heavy duty Nylon sewing thread is composed of strong nylon 6 and nylon 6.6 continuous filament. Besides carrying remarkable tensile strength, the thread is supple and stretchy. Although polyester outperforms Nylon in case of prolonged exposure to sunlight, Nylon can still withstand moderate sun exposure.

Heavy Duty Polyester Sewing Thread

Heavy duty polyester sewing thread is made from non-stretchy but strong polyester continuous filament. It's high strength and naturally UV resistance made it popular among outdoor products exposed to sunlight over long periods.

Heavy Duty Nylon Sewing Thread VS Heavy Duty Polyester Sewing Thread

Heavy Duty Nylon Sewing Thread

Nylon tends to be stronger and carries more stretch with good recovery. So Nylon is the only way to go for sewing upholstery material while polyester thread may break under sitting or other similar pressure because it accommodates little amount of "give".  

Nylon thread is easier to dye without dye migration problems like dark shades that polyester thread may have. But it is undeniable that polyester is more colorfast.

Heavy Duty Polyester Sewing Thread

Polyester is able to withstand severe environmental condition  especially prolonged UV, acid and mildew exposure where polyester thread has extended life compared to Nylon thread.  Polyester thread is therefore recommended for a number of outdoor uses.

Nylon is more expensive than the equivalent denier in Polyester. Thus you'd better distinguish long-term from short time outdoor use for significant cost savings. For instance, Nylon is preferred for tent occasionally used for family gathering while tent for military camping must use polyester thread.      

Tips For Using Heavy Duty Filament Sewing Thread

1. Matching heavy duty sewing thread to the purpose and environment it will reside the most in. In case using the thread for sewing thin or light fabric like silk, the fabric may be shred and seam may not be flat. You should choose polyester thread to sew products like automobiles which subjects to UV for long term while Nylon is better for products like mattress which needs more elongation.                                                                                           

2. Adequate lubricant is crucial to the process. Lubricant further reduces the friction between needle and sewn fabric. It also protects the thread from extreme temperature of needle during sewing by dissipating heat.                                                            

3.  For industrial sewing, bonded thread outperforms the non-bonded thread most in all ways. But the non-bonded thread requires much lower cost which means it is more affordable in large quantity for industrial sewing.  However, when it comes to  fireman's outfits, parachutes, and rock climbing gear where safety has to be at its utmost highest, bonded thread must be the first choice.        

Rongdu is a professional heavy duty threads manufacturer, we provide large spool thread , thick black sewing thread, continuous filament thread , filament thread, filament thread for sewing, heavy nylon thread , etc. For more information, please feel free to contact us!