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Information |
Example
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A&E thread brand and
thread construction. |
D-Core® -
Cotton Wrapped Core |
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Application |
Light Weight |
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Tex size |
T-24, T-35, T-40
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US, UK, Metric, Far East,
Hong Kong Count |
XF-100 |
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Cotton Count (Yarn Size)
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46/2 |
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Average SEB (Single-end
Breaking Strength) |
2.3 Lbs. |
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Needle Size -
Metric/Singer |
70/9 |
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The six
thread
constructions include:
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Cotton wrapped
polyester core (D-Core®) used for sewing jeans, chinos, etc.
Poly wrapped
polyester core (Perma Core®) used for sewing everything from
intimate apparel to Jeans.
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Spun polyester made
from 100% polyester staple fibers (Perma Spun®) also used for most
apparel applications. The most common thread construction used around
the world.
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Air entangled
(Magic®) made from 100% continuous polyester filaments that have
been entangled using high pressure air. Generally not a plied
construction.
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Textured -
stretched - polyester (Wildcat Plus®) used primarily for overedge
and coverstitch applications.
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Twisted
Multifilament (Nylon or
Polyester Anefil™) used for sewing leather
goods, footwear, upholstered furniture, sporting goods, luggage, etc.
The Tex size is a
measurement of the gram weight of 1000 meters of greige or un-dyed or
finished thread. Examples include: T-18 - T-27 for light weight sewing;
T-30 - T-50 for medium weight sewing, etc.
The Metric size is the
most common system used in Europe and is the number of 1000 meter hanks
per kilogram (or number of 496 yd hanks per lb.). Examples include: 180 -
120 for light weight sewing, etc.
The Yarn size is a
measurement used for the number of 840yd hanks per pound and is many times
also referred to as the spun size. The yarn size generally includes both
the yarn size and number of ply. Examples include: 46/2 representing 46's
cotton count - 2 ply.
The average single-end
break or SEB is measured in pounds and is only for comparative purposes
and should not be used for minimum strength requirements.
The needle size listed is
the minimum needle size recommended for the particular thread size.
Generally using a smaller needle size will result in excessive thread
breakage. The first number is the metric needle size (70) and represents
the thickness of the hole the needle will make in the fabric. The second
number is the Singer number system. This number can be converted to
fractions of an inch by taking the Singer number and multiplying times 2
and then adding 8. A size 12 Singer needle then will make approximately a
size .032 inch hole in the fabric.
In Hong Kong, a common
ticket system used for spun polyester is using the yarn size but dropping
the "/". Therefore, a 50/2 yarn size is called a 502, a 60/3
yarn size is called a 603, etc.
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