San Diego Plastics
2220 McKinley Avenue
National City  CA  91950
800/925-4855   619/477-4855   FAX 619/477-4874


PEEK

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PEEK PLASTIC FROM SAN DIEGO PLASTICS, INC.

Polyetheretherketone

CLICK HERE FOR A PEEK SPEC DATASHEET

PEEK (Polyetheretherketone) is high temperature resistant engineered thermoplastic with excellent chemical and fatigue resistance plus thermal stability. They exhibit superior mechanical and electrical properties. With a maximum continuous working temperature of 480 ° Fahrenheit, they have excellent retention of mechanical properties up to 570° Fahrenheit in a steam or high-pressure water environment. Superior chemical resistance has allowed them to work effectively as a metal replacement in harsh environments. They are inert to all common solvents and resist a wide range of organic and inorganic liquids. When extensive machining is required, a secondary annealing process should be considered.

(Polyetheretherketone)
PEEK, a unique semi-crystalline, high temperature engineering thermoplastic, is an excellent material for a wide spectrum of applications where thermal,chemical, and combustion properties are critical to performance. Especially significant, in this regard, is PEEK"s ability to retain flexural and tensile properties at very high temperatures -- in excess of 250"C (482"F). The addition of glass fiber and carbon fiber reinforcements enhances the mechanical and thermal properties of the basic PEEK material.

ADVANTAGES OF PEEK
Excellent flexural, impact and tensile characteristics.

Very high continuous working temperature.
PEEK's excellent mechanical properties are retained even at temperatures in excess of 250"C (482"F).

Very high heat distortion temperature.
For unreinforced PEEK, the HDT is 160"C (320"F). The addition of 30% glass or carbon fiber reinforcement results in a dramatic increase to 315"C (599"F).

Exceptional chemical resistance.
PEEK is insoluble in all common solvents and, being crystalline, is extremely resistant to attack by a very wide range of organic and inorganic chemicals.

A superior dielectric with low loss even at high temperatures and frequencies.

Excellent hydrolysis resistance.
PEEK has an excellent resistance to hydrolysis in boiling water and superheated steam (sterilization/ autoclavability) at temperatures in excess of 250"C (482"F).

Good radiation resistance.
Absorbing more than 1000 M rads of irradation with no significant reduction in mechanical properties, PEEK exhibits exceptional resistance to high doses of gamma radiation.

Outstanding wear and abrasion resistance.
PEEK and reinforced PEEK have excellent wear and abrasion resistance characteristics with low coefficient of friction and high limiting PV properties.

Low smoke and toxic gas emissions.
Levels of smoke and toxic gas released during combustion are among the lowest of any thermoplastic material.

APPLICATIONS
PEEK's exceptional property profile enables it to be utilized in many of the most critical areas in general industry, such as:
automotive
marine
oil well
electronics
medical
aero-space

MATERIAL AVAILABLE
Rods:
3/16" to 6" diameter
Standard length 3/16" to 4-3/4" Dia. - 10 ft.   5" and larger Dia. - 5 ft.

Plates:
1/4" to 4" thickness
Standard size 24" x 48".  Plates with thicknesses over 2" may also be available in 12" widths.

Call us at (800)925-4855 or click here for information on cut to size or custom sizes.

PRODUCT DESCRIPTIONPRIMARY SPECIFICATION
Polyetheretherketone, NaturalMIL-P-46183 Type I
Polyetheretherketone, Black-
Polyetheretherketone, 30% Glass reinforcedMIL-P-46183 Type II, Class 3
Polyetheretherketone, 30% Carbon-fiber reinforcedMIL-P-46183 Type III, Class 2

AGENCY APPROVALS OR LISTING : UL94 V-0
BASE RESINS TRADE NAMES : Victrex®

MECHANICAL PROPERTIES:
Specific gravity (ASTM D 792) : 1.32
Tensile strength, Ultimate (ASTM D 638) : 14,000 p.s.i.
Elongation at break (ASTM D 638) : 50%
Tensile modulus (ASTM D 638) : 4.9x10~5 p.s.i.
Rockwell hardness (ASTM D 785) : R126-M99
Impact strength (73° F) (ASTM D 256) (notched) : 1.6 ft-lb/inch
Flexural strength (ASTM D 790) : 24,600 p.s.i.
Flexural modulus (ASTM D 790) : 5.9x 10~5 p.s.i.
Wear factor against steel 40 psi 50fpm : 200x10~10
Coefficient of friction 40psi 50fpm : 0.25 Dynamic

THERMAL PROPERTIES:
Melting point : 644° F
Heat deflection at 66 psi (ASTM D 648) : -
Heat deflection at 264 psi (ASTM D 648) : 306° F
Maximum serving temperature for short term : 600° F
Maximum serving temperature for long term : 480° F
Thermal conductivity (ASTM C 177) : 1.74 Btu-inch/hr-ft~2- ° F
Specific heat : 0.08 Btu/lb- ° F
Coefficient of linear thermal expansion (ASTM D 696) : 2.6x10~5 @ 0-290° F
Coefficient of linear thermal expansion (ASTM D 696) : 6.0x10~5 @ 290-500° F
Applicable temperature range for thermal expansion : 0-500° F

ELECTRICAL PROPERTIES:
Dielectric constant at 60Hz (ASTM D 150) (73° F, 50% RH) : 3.2
Dissipation factor at 60Hz (ASTM D 150) (73° F) : 0.003
Volume resistivity (ASTM D 257) : 4.90x10~16 ohm-cm
Dielectric strength (ASTM D 149) : 480 v/MIL

MISCELLANEOUS:
Water absorption - 24 hours (ASTM D 570) : 0.50%
Water absorption - saturation (ASTM D 570) : 0.50%
Density (ASTM D 792) : 0.0477 lb/inch~3
Flammability (UL 94) : V-0
Weathering Resistance : Yes


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