- Feature1
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Low contact pressure process by using two pairs of special belts enables stable twisting propagation and higher speed production, compared to conventional units.
Using this device also reduces yarn breakages.
The belts have a surprisingly long life time.
Due to the productivity and quality of micro filament and fine denier yarns
having also improved, this device's performance exceeds the performance using the friction disk.
- Feature2
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We increased the twisting power by making the nip twice as long.
It is now possible to process thick 900 denier yarns.
- Feature3
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The untiwisting of a DTY yarn is stabilized by using the twisting-stop roller in the untiwisting range, which reduces the hairiness of the filament yarns. 
- Feature4
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ATF-21 is the best device that can process all kinds of DTY.
Wide processing of 20 to 900 denier and processing of micro filament like 0.3-0.5 dpf.
Specialized yarn (Thick and Thin, Tight Spot Yarn, etc.), structual yarn (core and effect, etc.),
special cross section yarn can be processed.
It corresponds to processings such as hollow yarn, conjugate yarn, full dull, cation dyeable,
dope dyed, PTT, PBT, and PLA ahead.
22dtex
core and effect
hollow yarn
Thick and Thin
Quattronip® SZ Twister can process the high bulk and non torque yarn at high speed.