The video above features untreated continuous multifilament polyester thread on the left, which burns vigorously once ignition temperature is reached, melts, emits black smoke and drips. Untreated aramid yarn on the right burns with difficulty because of high LOI. The flame extinguishes when the heat source is removed.  Aramid does not melt but decomposes showing signs of thermal degradation.

The video above features NeC 8/4 staple spun polyester. The untreated thread on the left burns vigorously once ignition temperature is reached, melts, emits black smoke and drips. The treated thread on the right melts and drips, however, resists combustion and flaming, therefore, smoke is greatly reduced, retardant has done its job.

Industrial yarns and threads are made of various fiber types and sizes which aresupplied on a wide range of package sizes with different lengths and yields.  Most products are ordered by the pound, which may leave you wondering, “How long is it?” It’s important to understand the length and yield of your products to help improve your processing efficiency and waste reduction. 

Unlike the September 2018 10 percent tariff, the additional 15 percent announced for shipments on or after May 10th may not have an immediate impact on the price of polyester yarn imports to the U.S.

If you’ve come across the term Cotton Count and were a bit confused, you’re not alone. The terminology of the yarn and thread industry can be tricky.

The Industrial Fabrics Foundation(IFF) has selected Service Thread for the 2018 Greater Good Award.

On September 17th the United States Trade Representative (USTR) Office announced additional tariffs of 10 percent on 5,745 items with an approximate value of $200 billion USD. As most of the world is aware, the Trump Administration and China are in a heated economic battle.

Typically Mil Spec sewing thread standards are long and divided into several sections. They define physical characteristics of thread and are a good reference point for manufacturers however, they can be confusing and its important to understand the basics.  Here is a quick guide to the 8 page standard, A-A-55195 (formerly MIL-T-44100) spun para-aramid sewing threads.