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PPS Multi-filament Yarn

  • PPS Multi-filament Yarn

PPS Multi-filament Yarn

Polyphenylene Sulfide (PPS) is a thermoplastic polymer formed by the reaction of 1,4-dichlorobenzene and sodium sulfide, consisting of aromatic rings linked by sulfides. PPS is thermally, chemically, and mechanically stable in a broad range of chemicals (acid and alkaline solutions) at prolonged periods and at elevated temperatures. PPS finds its utilisation also in hydrogen piping filters for its high hydrolysis resistance and as corrosion protection of ferrous metals in the chemical and construction industries.

Main Features

Main Features: PPS Yarn

  • High thermal stability – long-term usage in the temperature range 190°C-200°C.
  • Strong chemical resistance – to acids, alkalis, or organic solvents.
  • Naturally, anti-flammable – limiting oxygen index (LOI) > 34%, flammability rating UL94 V-0.
  • High dimensional stability and fatigue resistance.
  • Low water absorption – 0,02% water uptake.
  • Yarn suitable for extreme working environments – high temperature, permanent high humidity, and corrosion conditions.

Thermal Resistance at Varying Temperatures

Chemical Resistance of PPS Yarn

(Level A = Excellent for most important substances)
 

Acetic Acid

Fluoboric Acid

Minal Oils

Acetone

Formic Acid

Naphtha

Ammonium

Glycolic Acid

Perchloroethylene

Arsenic Acid

Hexane

Phenol (10%)

Benzene

Hydrofluoric Acid (50%)

Phosphoric Acid (40%)

Boric Acid

Hydrogen Peroxide

Potassium Hydroxide

Citric Acid

Chloroacetic Acid

Salty, Acid Water

Detergents

Lactic Acid

Sodium Hydroxide

Ethyl Acetate

Methanol

Sulfuric Acid (10%)

End-User Application

Surgical Suture

PPS yarns, due to their excellent alkali resistance are widely used in alkaline water electrolysis (AWE) for hydrogen production. AWE is a process of using electricity (anode and cathode) to split water into hydrogen and oxygen and get pure hydrogen through filter and dealkalization. By using renewable electricity (wind turbines /solar panels) it is a modern, effective and environmentally friendly technology. PPS woven membranes (diaphragm) prevent the mixing of hydrogen and oxygen molecules.

Yarn Properties

PPS Yarn Properties

PPS yarns are also available in twisted version.

Item

Product Description

Linear Density

Breaking Strength

Tenacity

Elongation

Hot Air Shrinkage

Unit

(Spec)

(Dtex)

(Den)

(N)

(cN/dtex)

(g/D)

(%)

(%)

T02023

222f50

222

200

9.3

4.20

4.76

22.5

5.0

T02533

278f48

278

250

11.7

4.20

4.76

22.5

5.0

T04023

444f100

444

400

18.6

4.20

4.76

22.5

5.0

T06023

666f150

666

600

28.0

4.20

4.76

22.5

5.0

T08023

888f200

888

800

37.3

4.20

4.76

22.5

5.0

T10023

1110f250

1111

1000

46.7

4.20

4.76

22.5

5.0

T10043

1110f100

1111

1000

46.7

4.20

4.76

22.5

5.0

T10033

1110f192

1111

1000

46.7

4.20

4.76

22.5

5.0

T11023

1222f250

1222

1100

51.3

4.20

4.76

22.5

5.0

T15023

1667f350

1667

1500

66.7

4.20

4.76

22.5

5.0

* Hot Air Shrinkage: 180°C x 15min x free load