TECAPEEK® unfilled PEEK

About
TECAPEEK PEEK material (chemically known as polyetheretherketone) is manufactured by Ensinger in standard stock shapes for machining, and is extruded in sheet, rod and tube using Victrex® PEEK polymer. Well known for its high temperature resistance, PEEK is a unique semi-crystalline, engineering thermoplastic that also offers excellent chemical compatibility. Parts manufactured from high temperature plastic PEEK polymer can operate at temperatures up to 260°C (480°F) and has a melting point around 341°C (646°F). PEEK plastic is often used in hot water or steam environments while maintaining physical properties such as flexural and tensile strength on a high level. Polyetheretherketone is often viewed as one of the engineering thermoplastics that tends to command a high price, however experienced users have come to realize the added value that PEEK materials bring, by offering the possibility of manufacturing parts that are lighter, stronger and able to survive longer in harsh environments. TECAPEEK™s exceptional property profile enables it to be utilized in many of the most critical areas in general industry, as well as in the automotive, marine, nuclear, oil well, electronics, medical and aerospace fields. Excellent flexural, impact, and tensile characteristics Very high continuous working temperature Very high heat deflection temperature Exceptional chemical resistance A superior dielectric at high temperatures and frequencies Good radiation resistance Outstanding wear and abrasion resistance Low smoke and toxic gas emissions Excellent hydrolysis resistance&&

Product Description
SupplierEnsinger
GenericPEEK
Material StatusCommercial: Active
FeaturesHigh impact resistance,Low smoke,Hydrolysis stability,Gamma radiation,Food contact compliance,High Heat Resistance,Hypocrystalline,Good wear resistance,Solvent resistance
AvailabilitysNorth America

Technical Data
PHYSICALNominal valueUnitTest method
Density1.31g/cm³ASTM D792
Water absorption rate
23℃,24hr0.020%
Saturation, 23 ℃0.45%

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch
23℃51J/mASTM D256

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed160ASTM D648
Melting temperature334
Linear coefficient of thermal expansion
MD4.5E-51/℃ASTM D696
Thermal conductivity coefficient0.29W/m/KASTM C177
Operating temperature
Intermittent300
long-term249

Electrical performanceNominal valueUnitTest method
Surface resistivity1.0E+16ohmsASTM D257
Volume resistivity
23℃4.9E+16ohms·cmASTM D257
Dielectric strength25kV/mmASTM D149
Dielectric constant
23 ℃,60 Hz2.80 ASTM D150
Dissipation factor
23℃,60 Hz3.0E-3 ASTM D150

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant levelV-0 UL 94

Supplementary informationNominal valueUnitTest method
Pressure limiting speed69000psi·fpm

MECHANICALNominal valueUnitTest method
Rockwell hardness
M-level99 ASTM D785
Tensile modulus
23℃4480MPaASTM D638
tensile strength
Yield, 23 ℃110MPa
Fracture, 23 ℃110MPa
Tensile strain
Yield, 23 ℃4.9%
Fracture, 23 ℃40%
Bending modulus
23℃4140MPaASTM D790
bending strength
23℃179MPaASTM D790
Compression modulus3400MPaASTM D695
compressive strength
10% strain, 23 ℃121MPaASTM D695
friction coefficient
dynamic0.20 ASTM D1894
Wear factor40010^-8 mm³/N·mASTM D3702

Notes
1. Typical properties: these are not to be construed as specifications.
2. 40 PSI, 50 FPM
3. 50% RH
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