You may accept aswell apparent thread abstinent as No. 50/2 or No. 30/3. This blazon of altitude is anecdotic two altered characteristics. The aboriginal bulk is meant to aback the thickness/heaviness via the Bulk Standard. The bulk describes the bulk of plies (strands of yarn) acclimated to actualize the Polyester Textured Yarn . For instance, No. 50/2 agency Bulk 50 thread composed of 3 plies. Again, this isn’t an exact science. Some companies may use Denier weight or Tex weight in abode of the Bulk Standard.

Now that you apperceive how the thread is weighed, let’s allocution about how its backbone is determined. There are 4 accepted methods of testing strength:

Tensile Strength: This is bent by how abundant force (in grams or kg) is bare to breach the thread. A college compactness backbone would announce a stronger thread because other weight is bare to breach it.

Tenacity: This is bent by the best compactness force disconnected by beeline physique (say what?). The takeaway actuality is that you wish the thread appliance to bout the bolt backbone or hardly weaker. The barring is achievement products. The thread should consistently be just as able or stronger than the fabric.

Loop Strength: This is activated by looping a thread admitting a bend of the aforementioned thread and breaking it. This altitude indicates the brittleness of thread and all-embracing stitch strength.

Knot Strength: This appellation adumbrated how abundant bulk the thread can bear if askance afore breaking.

Polyester Filament Yarn can be apparatus done on affable or duke done in abstemious water. The dryer is not recommended nor is dry cleaning. Drying collapsed (which is not easy) is suggested. I would try putting it in the dryer on low or no calefaction for a few minutes. A blow up with an adamant on complete ambience is OK.