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FIBRALON

Fibralon is designed for a wide range of demanding industrial requirements including gasket and bearing applications. Fibralon is filled PTFE, uniquely combining the properties of Teflon® and Kevlar®. Kevlar enhances the physical properties of the PTFE and results in superior gasket material. Fibralon shows less cold flow and greater sealing ability than other filled fluorocarbons. It still maintains the chemical attack resistance and temperature range.

Fibralon 4820 also has superb electrical insulation properties. The toughest member of the product family, Fibralon 4840, makes an excellent bearing material. It wears 10 to 20 times longer than bronze filled PTFE.

Note: These products are FDA compliant.


Product Applications & Availability

  • Gaskets
  • Finished Machined Items
  • Molded Tube and Rod
  • Skived Sheet

Advantages of Fibralon

  • Fibralon 4840 - The toughest member of the new product family, FIBRALON 4840 makes an excellent bearing material. It wears 10 to 20 times longer than bronze filled PTFE.

  • Fibralon 4820 - Superb electrical insulation properties as well as the best chemical inertness. It can be used to provide electrical insulation to flanged pipe systems.

  • Fibralon 4810 - Offers excellent compressibility. Seals tighter under lower torque loads. Applications such as glass-lined equipment are ideal.

Typical Properties

PROPERTY TESTED
ASTM
UNITS
4810
4820
4840
Physical
         
Tensile Strength
Elongation
Elongation Modulus
Sealability
   30 psi Nitrogen
   3000 psi load
Creep Relaxation
Compressibility
Recovery
Deformation Under Load
   1000 (lbs.)
Specific Gravity
PV Limit

D638
D638
D1708
F37


F38
F36
F36

D621M

Falex Std.

psi
%
100%, psi

psi
psi
%
%
%

%
1 = water
10 & 100 ft/min.
2100
498
625


0.001
5.7
25.7
64.6

1.8
2.204
--
2100
343
300


0.001
2.0
18.8
74.1

0.7
2.206
--
2370
136
0


0.002
5.6
12.8
5.2

0.2
2.02-2.09
20,000
Thermal
.
.
.
.
.
Dielectric Strength
Thermal Conductivity
D149
F433

V/mil
BTU.in/hr.ft2.oF

60.6
5.06
1500.0
3.31
260.8
3.42


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