Concordia Manufacturing, LLC

4 Laurel Avenue, Coventry, RI 02816

T. 401-828-1100, F. 401-823-8361

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Thermoplastic Fiber Options for Commingled Fiber

Process Temp F
and C

Relative
Cost

Key
Features

Fiber
Applications

Thermoplastic
Fiber

Denier/
Filament

Spec Grav
g/cc

Tg
F/C

Tm
F/C

649F
343C

680-780F
360-420C

$$$

High Temperature, Thermal Stability, Abrasion Resistance, Superior Chemical Resistance, Flame retardency, High Stiffness and Low density

Aerospace, Oil Exploration

PEEK

900/68

1.30

289F
143C

536F
228C

580-650F
304-343C

$$

High Temperature, Chemical Resistance, Flame Retardency, Dimensional Stability, Low Moisture Absorption

Aerospace and Transportation

PPS

1300/96

1.33

194F
90C

662F
350C

698-752F
370-400C

$$

High Thermal Stability, Low Flame and Smoke, similar to PEEK but lower temp resistance and impact strength.

Aerospace and Transportation

PEI (Ultem)

1000/72

1.27

423F
217C

340F
171C

370-446F
190-230C

$$

High thermal stability, low flame and smoke characteristics, High Chemical Resistance, Low permeability

Aerospace and Transportation

PVDF (Kynar)

1280/128

1.78

-31F
-35C

355F
179C

384-444F
195-230C

$$

Lower moisture regain and lower melting point than Nylon 6, Good resistance to shock and chemicals.

Industrial & Transportation

Nylon 12

800/72

1.02

104F
40C

428F
220C

464-554F
240-290C

$

Good Price/Performance Ratio, Good Chemical Resistance, High Strength.

Sporting Goods, Industrial, Automotive

Nylon 6

900/72

1.14

140F
60C

475/246

518-572F
270-300C

$

High Chemical Resistance, Low Moisture Regain.

Multiple

Polyester

900/72

1.38

167/65

340/171

374-482F
190-250C

$

Low Melting Point, Excellent Moisture Resistance.

Automotive, Consumer Goods

Polypropylene

700/72

0.90

14/-10