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Friday, 14 August 2015

Short note on different synthetic fibers

Short note on different synthetic fibers


Fiber Type : Nylon
Heat: Melts at 419F to430F.
Bleaches &Solvents: Will bleach. Degrades in mineral acids & oxidizing agents.
Acids & Alkalis: Insoluble in organic solvents Resists weak acids, inert to alkalis. Hydrolyzed by strong acids
Abrasion : Excellent
Mildew, Ag
ing &Sunlight: Excellent resistance to mildew and aging. Prolonged sun exposure can cause degradation.

Fiber Type : Polyethylene
Heat : Melts at 525F

Bleaches &Solvents : Excellent

Acids & Alka
lis : Excellent

Abrasion : Good to Poor

Mildew, Aging &Sunlight: Excellent resistance to mildew.

Fiber Type : Spandex / Lycra
Heat: Sticks at 350-390F. Melts above 500F.
Tg: 52 oC

Bleaches &Solvents: Good resistance to oxidizing agents. Poor resistance to bleaches.

Acids & Alkalis : Good

Abrasion: Good in diluted (weak), but degrades in strong acids & bases.

Mildew, Aging &Sunlight: Excellent aging and mildew resistance. Good resistance to sunlight.


Fiber Type : Polyester
Heat: Melts at 500F.
Bleaches &Solvents : Excellent
Acids & Alkalis: Good resistance to weak alkalis & weak acids. Moderate resistance to strong acids & alkali.
Abrasion : Excellent
Mildew, Aging &Sunlight: Excellent resistance to mildew, good aging. Degrades after prolonged exposure to sunlight.

Fiber Type : Fiberglass
Heat : Does not burn or melt

Bleaches &Solvents: Excellent solvent & bleach resistance.

Acids & Alkalis : Fair

Abrasion : Good

Mildew, Aging &Sunlight : Excellent

Fiber Type : Aramid (Kelvar, Nomex, Tarwon, Technora)
Heat: Difficult to ignite. Does not burn or melt. Decomposes at 800F to 932F.
Bleaches &Solvents: Poor in bleach. Excellent solvent resistance.

Acids & Alkalis : Good in dilute acids & bases. Poor in strong acids & bases.

Abrasion : Fair to Good

Mildew, Aging &Sunlight: Excellent resistance to mildew & aging. Degrades when exposed to sunlight.

Fiber Type : Fluorocarbon -Teflon (PTFE)
Heat: Very heat resistant -350F to 550F. Melts at 620F.
Bleaches &Solvents : Essentially inert to bleaches & solvents

Acids & Alkalis: Excellent but effected by acids & alkali at high temperatures.

Abrasion : Good

Mildew, Aging &Sunlight : Excellent

Fiber Type : Nylon
Density (g/cc) : 1.14

Moisture Regain(%) : 2.8 to 5.0

Elongation at Break(%) : 17 to 45

Breaking Tenacity(g/Denier) : 4.0 to 7.2

Initial Modulus(CN/tex) : 400

Thermal Shrinkage(@ 177 C) : N/A

L.O.I. : ----

Melting Point (C/F) : 216/419
Tg: Glass transition temperature: 47oC.


Fiber Type : Polyester(PET)
Density (g/cc) : 1.38

Moisture Regain(%) : 0.4

Elongation at Break(%) : 15.3

Breaking Tenacity(g/Denier) : 9.2

Initial Modulus(CN/tex) : 998

Thermal Shrinkage(@ 177 C) : 11.6

L.O.I. :----

Melting Point (C/F) : 256/493
Tg:69 oC
Fiber Type : Kevlar 29
Density (g/cc) : 1.44

Moisture Regain(%) : 7

Elongation at Break(%) : 3.6

Breaking Tenacity(g/Denier) : 23

Initial Modulus(CN/tex) : 4,900

Thermal Shrinkage(@ 177 C) : < 0.1

L.O.I. : 28

Melting Point (C/F) : 427/800 T
Tg:
Fiber Type : Kevlar 49
Density (g/cc) : 1.44

Moisture Regain(%) : 3.5

Elongation at Break(%) : 2.4

Breaking Tenacity(g/Denier) : 23.6

Initial Modulus(CN/tex) : 7,814

Thermal Shrinkage(@ 177 C) : < 0.1

L.O.I. : 28

Melting Point (C/F) : 427/800 T
Tg:
Fiber Type : Fiberglass E-glass
Density (g/cc) : 2.54

Moisture Regain(%) : None

Elongation at Break(%) : 4.8

Breaking Tenacity(g/Denier) : 15.3

Initial Modulus(CN/tex) : 2,900

Thermal Shrinkage(@ 177 C) : < 0.1

L.O.I. :----

Melting Point (C/F) : 1121/2050
Tg:
Fiber Type : Nomex
Density (g/cc) : 1.38

Moisture Regain(%) : 4.5

Elongation at Break(%) : 28

Breaking Tenacity(g/Denier) : 4.9

Initial Modulus(CN/tex) : 839

Thermal Shrinkage(@ 177 C) : 0.4

L.O.I. : 29-30

Melting Point (C/F) : 371/700 T
Tg: 273 oC
Fiber Type : Vectran
Density (g/cc) : 1.41

Moisture Regain(%) : < 0.1

Elongation at Break(%) : 3.3

Breaking Tenacity(g/Denier) : 23

Initial Modulus(CN/tex) : 4,635

Thermal Shrinkage(@ 177 C) : < 0.5

L.O.I.: 35

Melting Point (C/F) : 330/625



Fiber Type : Technora
Density (g/cc) : 1.39

Moisture Regain(%) : 2

Elongation at Break(%) : 4.6

Breaking Tenacity(g/Denier) : 28

Initial Modulus(CN/tex) : 5,209

Thermal Shrinkage(@ 177 C) : < 0.5

L.O.I. : 35

Melting Point (C/F) : 330/625

Fiber Type : Twaron
Density (g/cc) : 1.44

Moisture Regain(%) : 6.5

Elongation at Break(%) : 3.6

Breaking Tenacity(g/Denier) : 22.3

Initial Modulus(CN/tex) : 4,900

Thermal Shrinkage(@ 177 C) : < 0.1

L.O.I. : 25

Melting Point (C/F) : 500/932 T
Fiber Type : Carbon / Graphite
Density (g/cc) : 1.77

Moisture Regain(%) : None

Elongation at Break(%) : 1

Breaking Tenacity(g/Denier) : 21.3

Initial Modulus(CN/tex) : ----

Thermal Shrinkage(@ 177 C) : < 0.1

L.O.I. : ----

Melting Point (C/F) : 315/600 T

Fiber Type : Fiber Glass S-Glass
Density (g/cc) : 2.48

Moisture Regain(%) : None

Elongation at Break(%) : 5.7

Breaking Tenacity(g/Denier) : 19.8

Initial Modulus(CN/tex) : 3,500

Thermal Shrinkage(@ 177 C) : < 0.1

L.O.I.:----

Melting Point (C/F) : 1493/2719 

Fiber Type : PBI
Density (g/cc) : 1.43

Moisture Regain(%) : 15

Elongation at Break(%) : 28.5

Breaking Tenacity(g/Denier) : 2.7

Initial Modulus(CN/tex) : 280

Thermal Shrinkage(@ 177 C) : < 0.1

L.O.I. : 41

Melting Point (C/F) : 460/860 T


Fiber Type : PTFE (Teflon)
Density (g/cc) : 2.1

Moisture Regain(%) : None

Elongation at Break(%) : 35

Breaking Tenacity(g/Denier) : 1.7

Initial Modulus(CN/tex) : 110

Thermal Shrinkage(@ 177 C) : 7

L.O.I. : N/A

Melting Point (C/F) : 327/621 TT
Tg: -90 oC
Fiber Type : Spectra /Dyneema
PBI Density (g/cc) : 0.97

Moisture Regain(% : < 0.1

Elongation at Break(%) : 2.7-3.5

Breaking Tenacity(g/Denier) : 26 to 34

Initial Modulus(CN/tex) : 10,595

Thermal Shrinkage(@ 177 C) : N/A

L.O.I. : ----

Melting Point (C/F) : 147/297



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