Staple-fibre line · YONGXING

PP fibre one-step production line

One-step polypropylene staple-fibre line from virgin PP chips — capacity 3,000–20,000 T/Y.

  • Authorized representative
  • Install & maintain in Vietnam
  • 12-month warranty
Deniers:
1.5D to 70 Denier
Cut length:
25,32,51,64,76,102 and 124 mm (as per customer requirement)
Tensile strength:
>3.5gm/Denier
Elongation:
>70%
Contact for a quote quoted by configuration
Overview

Product overview

The PP fibre one-step production line is a line used to produce polypropylene (PP) staple fibre directly from virgin PP chips in a single, continuous melt-spinning step.

Unlike polyester, PP fibre has a low specific gravity, giving better relative coverage, high dimensional stability, excellent recovery, low thermal conductivity and chemical inertness; this makes it ideal for air and water filters, industrial fabrics, woven and non-woven carpets, upholstery, carpet backing and fibre-reinforced concrete. In the one-step process, molten isotactic PP is metered through spinnerets, air/water quenched, then taken directly to two-stage drawing, relaxing and crimping, cutting out a stage versus the two-step route. The fibre reaches a tensile strength above 3.5 gm/Denier and elongation above 70%, across a wide 1.5–70 Den range and cut lengths of 25–124mm, with a capacity of 3,000–20,000 T/Y and a typical case being a 20 TPD line.

Vina Nonwoven is the authorized Yongxing representative in Vietnam: we advise on line configuration and capacity, with local installation, commissioning, maintenance and warranty.

Technical specs

Configuration & specifications

Specifications of Virgin Polypropylene Staple Fiber

Deniers: 1.5D to 70 Denier
Cut length: 25,32,51,64,76,102 and 124 mm (as per customer requirement)
Tensile strength: >3.5gm/Denier
Elongation: >70%
Crimps: 3 to 5 per cm
Shades: All shades available

Extruder

Specification φ160,φ179,φ180,φ190,φ220

Filter

Type vertical, 2 groups of filtrating chambers, exchanging filtrating barrel continuously;。
Heating Power 15kw;
Heating Media Thermal oil. Melt inlet pipe increase static mixer, inner of melt pipe is polished. Melt pipe and spin beam is connected by flange.
Control Use pressure≥25MPa, inlet pressure electronic indication, and automatic control. Indication precision: 0.1MPa. Self-control precision: 0.3MPa.

Spin Beam

Heating media Thermal oil 330# or diphenyl heating.
Heating power Electrical heat, heating power: 72kw (divided in three groups) spin beam use 14mm boiler steel plate, inner of pipe is polished. Spin beam body use tem-keeping cotton to keep heat. Out shell of side and bottom is 2mm stainless steel plate. Top uses 4mm thickness diamond plate. out face is aluminum paint;

Other main machines in the line

Central Blowing
Winder
Stretcher — 2-stage drawing
Stacker & Crimper
Relax and heating Setter
Baler
Applications

Highlights & applications

  • Spinning yarns, filter fabrics, geotextiles
  • Automobile floor carpet, thermal-bonded fabrics, insulations
  • Carpet and non-woven carpet
  • Building construction, fiber-reinforced concrete (RCC/FRC)
Q & A

Frequently asked questions

What fibre does this "one-step" line produce and from what raw material?

The line produces polypropylene (PP) staple fibre from virgin isotactic PP chips using a one-step melt-spinning process.

How does this PP fibre differ from Yongxing's recycled polyester PSF fibre?

The PP fibre uses virgin PP chips in a one-step process (spinning and finishing combined), whereas the PSF line uses recycled PET and separates spinning from finishing; PP fibre also has lower specific gravity, good recovery and chemical inertness.

What is the PP fibre used for?

It is used for air and water filters, industrial fabrics, woven and non-woven carpets, upholstery, carpet backing, spinning yarns, geotextiles, automobile floor carpet, thermal-bonded fabrics, insulation and fiber-reinforced concrete (RCC/FRC).

What is the line's capacity and fibre specification (denier, cut length)?

The line's capacity ranges from 3,000 to 20,000 T/Y (typical example: a 20 TPD line); denier ranges from 1.5D to 70 Denier, cut length is 25, 32, 51, 64, 76, 102 or 124 mm per customer requirement, with tensile strength >3.5 gm/denier and elongation >70%.

How can I get consultation and a quote for this PP fibre line?

Pricing depends on the capacity and configuration chosen. Contact Vina Nonwoven via hotline or Zalo for configuration advice and a quote.

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