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ZHENYI CHEMICAL FIBER
Polyester Monofilament Yarn

Polyester Monofilament Yarn

Polyester monofilament is a single continuous PET filament, not “single-hole polyester yarn.”  Zhenyi Chemical Fiber supplies confirmed round-section and special-shaped items in bright, semi-dull, full-dull and dope-dyed versions.

ABOUT ZHENYI CHEMICAL FIBER

Built on manufacturing experience dating back to 2007, Zhenyi Chemical Fiber brings together the Weien and Baoyi production bases under an integrated business system. We specialize in the production and sales of polyester DTY, while international trade and customer support are provided by Shoyee International Trading Co., Ltd.

Weien Intelligent Manufacturing (Jiaxing) Co., Ltd. operates the Weien production facility, with a site area of approximately 13,300 m² (20 mu). Tongxiang Baoyi Textile Co., Ltd. operates the Baoyi production facility, with a site area of approximately 10,000 m² (15 mu).

Together, the two facilities have a total production workshop floor area of approximately 100,000 m² and are equipped with 100 draw-texturing machines, providing a combined polyester DTY production capacity of up to 400 metric tons per day. They manufacture DTY in a range of deniers, filament counts, luster types and intermingling levels for customers in China and overseas.

2007

MANUFACTURING SINCE

LATEST NEWS
INDUSTRY KNOWLEDGE
  • Monofilament Is Not "Single-Hole Polyester Yarn" — Here's the Actual Distinction
  • Round-Section vs Special-Shaped: Choosing a Cross-Section Profile
  • Luster Grade Still Applies to Monofilament, Just Differently Than DTY
  • Specification Shorthand: Reading D/1F Correctly

  • Monofilament Is Not "Single-Hole Polyester Yarn" — Here's the Actual Distinction

    Zhenyi Chemical Fiber regularly clarifies this point with new buyers: Polyester Monofilament is a single continuous PET filament extruded and drawn as one strand, not a multi-filament yarn spun through a spinneret with only one hole active. The difference matters mechanically — a true monofilament has uniform cross-sectional properties along its entire length, giving it the stiffness and wire-like handle needed for mesh, screen and technical fabric applications that multi-filament DTY cannot replicate.

  • Round-Section vs Special-Shaped: Choosing a Cross-Section Profile

    Standard round-section Polyester Monofilament Yarn is the default for most mesh and screen applications where uniform light transmission and predictable stiffness are needed. Special-shaped profiles — flat, trilobal or other cross-sections — are typically specified when a fabric needs a particular light-catching effect, altered flexural stiffness, or a specific surface-contact behavior that a round cross-section can't provide. The shaping is set at the spinneret die, so switching profiles generally means switching production tooling, not just a process adjustment.

  • Luster Grade Still Applies to Monofilament, Just Differently Than DTY

    Bright, semi-dull, full-dull and dope-dyed options exist for monofilament for the same TiO₂-loading reasons they exist for textured DTY, but the visual effect reads differently on a single, stiff filament than on a bulky multi-filament yarn. A bright monofilament thread can appear almost glass-like, while the same TiO₂ level in a textured multi-filament yarn simply looks slightly less matte. It's worth requesting a physical sample specifically in monofilament form rather than judging luster from a DTY reference sample of the same nominal finish.

  • Specification Shorthand: Reading D/1F Correctly

    You'll see monofilament specifications written as, for example, 20D/1F or 30D/1F — the "/1F" simply confirms one filament makes up the entire strand, distinguishing it at a glance from multi-filament DTY notation like 150D/48F. When requesting a quote for Polyester Monofilament Thread, including this full notation along with cross-section (round or special-shaped) and luster grade gives Zhenyi Chemical Fiber everything needed to confirm the correct item on the first pass.