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Rongdu Thread Leading Heavy Duty Thread Provider

If you are looking for sewing thick thread to sew lots of layers or some fairly thick or stiff fabrics, Rongdu has the very strong sewing thread that is heavy duty thread. There are a wide array of applications including footwear, leather goods, luggage and bag, furniture upholstery, mattress, sports equipment, denim, automobile, canvas, tent, wire and cable applications, filtration and more.

Heavy Duty Thread Measurement
Tex
Tex size is the weight in grams of 1,000 meters of a continuous filament polyester thread. For example, a thread marked as tex 70 means that the weight of 1000 meters of thick waxed thread is equal to 70 grams

Denier
Denier size is the weight in grams of 9,000 meters of a heavy duty thread. For instance, if 9000 meters of thread weighs 210 grams, then the denier size is 210D.

Weight
Weight size means how much kilometers a thread takes to reach 1 kilogram,be it thick black sewing thread or thick white thread. So contrary to the before two measurements, The higher the number, the lighter/finer the thread.

How To Choose Heavy Duty Thread?
The thickest thread for sewing material must match the type of fabric used. Under no circumstance should you select a delicate cotton thread for sewing a woolen fabric for example.
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