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DOCAPEEK
PEEK
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DOCAPEEK
PEEK
Details »
Choice of sizes »

Product features

DOCAPEEK is an unfilled, unreinforced polyether ether ketone (PEEK). It can be used up to 310ºC for short periods and around 250ºC for long term use.

Natural, Black

product family features

Thanks to its outstanding mechanical properties, chemical resistance and, above all, exceptional heat resistance, PEEK has become indispensable. Its full name is polyether ether ketone or polyether ether ketone, a member of the PAEK family of materials. It was introduced to the market in the 1980s and 1990s by the British company Victrex.

It is characterised by excellent wear resistance, slip properties, dimensional stability and machinability, which put it above the general engineering plastics, even if we do not mention the fact that it can be used up to about 300 degrees Celsius. In the combination of all these properties, it has no rival.

Available in a wide range of finishes - you can find the right material from the PEEK range for the most specific applications. We offer glass fibre (GF or GF30), carbon fibre (CF, CF30 or CA), carbon fibre, graphite and Teflon reinforced (MOD or PVX), anti-static (ESD) and electrically conductive (ELS), detectable PEEK for food applications, and also medical and pharmaceutical PEEK in a range of colours.

They are also available in sheet, rod and tube formats in a wide range of sizes, for example, natural PEEK sheets from 1.25 mm to 130 mm thick, and rods from 4 mm to 200 mm diameter.

DOCAPEEK

Some important features

  • High mechanical strength (75 - 130 MPa) and hardness
  • High upper application temperature limit (250-310 °C)
  • High load capacity even at high temperatures
  • Excellent wear resistance in a wide range of operating conditions, especially for composites
  • High dimensional stability and rigidity at high temperatures
  • Durable flame resistance and low smoke formation in case of fire
  • The base material is a good electrical insulator and has a favourable dielectric behaviour (if it does not contain carbon fibre, graphite)
  • Good resistance to strong radioactive radiation
  • Ageing resistance

Main areas of application

PEEK is preferably used in areas where there are extreme stresses:

  • very low or high temperatures,
  • the chemical effect is strong,
  • the radiation is intense,
  • particularly heavy loads.

It can be used in a wide range of applications, such as conventional machinery, aeronautics, nuclear, chemical and electrical industries, transport and other advanced engineering fields.

It is used to make gears, pump elements, seals, valves, sliding elements, distributors, appliance elements in the mechanical, medical device, aerospace, nuclear, chemical, electrical and automotive industries.

Machining technology

Chipping (turning, milling, drilling, sawing): carbide and diamond tools should be used. Cooling is recommended with cutting speeds of v = 250-500 m/min for turning and milling, v = 10-30 m/min for drilling.

Gluing: feasible.

Available formats

  • PEEK sheet
  • PEEK rods
  • PEEK pipe

Technical data

Downloadable technical data sheet »
Investigation
Unit of measurement
Value
Base properties
Basic colour
-
-
natural, black
Density
DIN EN ISO 1183
g/cm^3
1.31
Water absorption: saturation in air, 24 h / 96 h, (23ºC)
DIN EN ISO 62
%
0.02/ 0.03
Flammability rating according to UL94
DIN IEC 60695-11-10
-
V0
Mechanical properties
Tensile strength
DIN EN ISO 527-2
MPa
116
River crossing
DIN EN ISO 527-2
MPa
116
Tensile modulus of elasticity
DIN EN ISO 527-2
MPa
4200
Elongation at break
DIN EN ISO 527-2
%
15
Compressive strength
EN ISO 604 1% / 2%
MPa
Flexural strength
DIN EN ISO 178
MPa
175
Charpy impact strength
DIN EN ISO 179-1eU
kJ/m2
not broken
Charpy impact strength, notched
DIN EN ISO 179-1eA
kJ/m2
4
Ball indentation hardness
ISO 2039-1
MPa
253
Shore D hardness
DIN EN ISO 868
-
90
Compressive strength
23°C, 2N/mm2, 1h
%
Compressive strength
80°C, 10N/mm2, 56h
%
Thermal properties
Melting point
ISO 11357-3
ºC
341
Glass transition temperature
DIN 53765
ºC
150
Thermal conductivity factor
ISO 22007-4:2008
W/ (K.m)
0.27
Forest heat
ISO 22007-4:2008
J/(g.K)
1.1
Coefficient of linear thermal expansion (CLTE): between 23 - 100ºC
DIN EN ISO 11359-1;2
m/(m.K)x10-5
5
Applicable max. temperature in air - short time
-
ºC
300
Applicable max. temperature in air - for prolonged use
-
ºC
260
Minimum temperature of applicability
-
ºC
-60
Thermal stability (HDT)
DIN EN ISO 75, A
ºC
152
Chemical resistance
Chemical resistance at 23ºC: - weak acid
-
-
A
Chemical resistance at 23ºC: - strong acid
-
-
A-B
Chemical resistance at 23ºC: - weak alkali
ISO 11357-3
ºC
A
Chemical resistance at 23ºC: - strong alkali
-
-
A
Chemical resistance at 23ºC: - aromatic hydrocarbons
-
-
A
Chemical resistance at 23ºC: - alpha hydrocarbons
-
-
A
Chemical resistance at 23ºC: - chlorinated solvents
-
-
A
Chemical resistance at 23ºC: - alcohols
-
-
A
Electrical properties
Dielectric constant
IEC 60250
-
3.2
Dielectric loss factor (50 Hz)
IEC60 250
-
0.001
Volume resistance
IEC60093
Ω*cm
1015
Surface resistance
IEC60093
Ω
1015
Creep current strength, CTI
IEC 60112
-
150
Dielectric strength
IEC 60243
kV/mm
20
Optical properties
No value to display.
Sterilizability
No value to display.
Wear properties
No value to display.

(*) legend:

A - applicable
B - limited application
C - not applicable

Tables
Thickness
Colour
Table size (mm x mm)
Thickness tolerances: +0.2; +0.7
Mass: 3,75 kg/m
Table size: 500 x 3000 mm
Thickness tolerances: +0.2; +0.7
Mass: 4,44 kg/m
Table size: 500 x 3000 mm
Thickness tolerances: +0.2; +1.1
Mass: 5,95 kg/m
Table size: 500 x 3000 mm
Thickness tolerances: +0.2; +1.1
Mass: 7,33 kg/m
Table size: 500 x 3000 mm
Thickness tolerances: +0.3; +1.5
Mass: 8,88 kg/m
Table size: 500 x 3000 mm
Thickness tolerances: +0.3; +1.5
Mass: 11,63 kg/m
Table size: 500 x 3000 mm
Thickness tolerances: +0.3; +1.5
Mass: 13,01 kg/m
Table size: 500 x 3000 mm
Thickness tolerances: +0.3; +1.5
Mass: 14,38 kg/m
Table size: 500 x 3000 mm
Thickness tolerances: +0.3; +1.5
Mass: 17,82 kg/m
Table size: 500 x 3000 mm
Thickness tolerances: +0.5; +2.5
Mass: 21,68 kg/m
Table size: 500 x 3000 mm
Thickness tolerances: +0.5; +2.5
Mass: 25,8 kg/m
Table size: 500 x 3000 mm
Thickness tolerances: +0.5; +2.5
Mass: 28,6 kg/m
Table size: 500 x 3000 mm
Thickness tolerances: +0.5; +2.5
Mass: 35,4 kg/m
Table size: 500 x 3000 mm
Thickness tolerances: +0.5; +3.5
Mass: 42,7 kg/m
Table size: 500 x 3000 mm
Thickness tolerances: +0.5; +5.0
Mass: 56,9 kg/m
Table size: 500 x 3000 mm
Thickness tolerances: +0.5; +5.0
Mass: 43,2 kg/m
Table size: 300 x 3000 mm
Thickness tolerances: +0.5; +6.0
Mass: 104,6 kg/m
Table size: 620 x 3000 mm
Please contact us for the current availability of each size.
Rods
Diameter (mm)
Colour
Diameter tolerances: +0.1; +0.6
Mass: 0,012 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.1; +0.6
Mass: 0,020 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.1; +0.6
Mass: 0,030 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.1; +0.6
Mass: 0,042 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.1; +0.7
Mass: 0,074 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.1; +0.7
Mass: 0,114 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.2; +0.8
Mass: 0,164 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.2; +0.8
Mass: 0,252 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.2; +0.8
Mass: 0,286 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.2; +0.8
Mass: 0,359 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.2; +0.8
Mass: 0,441 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.2; +1.0
Mass: 0,536 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.2; +1.0
Mass: 0,688 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.2; +1.0
Mass: 0,858 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.2; +1.0
Mass: 0,983 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.2; +1.2
Mass: 1,12 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.2; +1.2
Mass: 1,41 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.2; +1.2
Mass: 1,74 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.3; +1.3
Mass: 2,20 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.3; +1.3
Mass: 2,71 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.3; +1.3
Mass: 3,39 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.3; +1.6
Mass: 3,90 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.3; +1.6
Mass: 4,56 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.3; +1.6
Mass: 5,28 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.4; +2.0
Mass: 6,92 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.5; +2.2
Mass: 8,76 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.6; +2.5
Mass: 10,82 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.7; +3.0
Mass: 13,13 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.8; +3.5
Mass: 15,66 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.8; +3.5
Mass: 16,97 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.9; +3.8
Mass: 19,80 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +0.9; +3.8
Mass: 21,27 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +1,0; +4.2
Mass: 24,44 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +1,1; +4.5
Mass: 27,8 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +1,2; +5.0
Mass: 29,7 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +1,2; +5.0
Mass: 35,2 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +1,3; +5.5
Mass: 43,4 kg/m
Standard length: 1000, 3000 mm
Diameter tolerances: +1,3; +5.8
Mass: 47,9 kg/m
Standard length: 1000, 3000 mm
Please contact us for the current availability of each size.
Pipes
Outside diameter
Colour
Inside diameter (mm)
External diameter tolerances: +0.1, +0.4
Internal diameter tolerances: -1.1, -0.4
Density: 1,31
Nominal wall thickness: 7,5 mm
Standard length: 1000, 3000 mm
External diameter tolerances: +0,2, +0,6
Internal diameter tolerances: -2, -0,6
Density: 1,31
Nominal wall thickness: 8 mm
Standard length: 1000, 3000 mm
External diameter tolerances: +0.6, +2
Internal diameter tolerances: -2, -0.6
Density: 1,31
Nominal wall thickness: 8 mm
Standard length: 1000, 3000 mm
External diameter tolerances: +0.6, +2
Internal diameter tolerances: -2, -0.6
Density: 1,31
Nominal wall thickness: 10 mm
Standard length: 1000, 3000 mm
External diameter tolerances: +0.8, +2.5
Internal diameter tolerances: -2.5, -0.8
Density: 1,31
Nominal wall thickness: 10 mm
Standard length: 1000, 3000 mm
External diameter tolerances: +0.8, +3
Internal diameter tolerances: -3, -0.8
Density: 1,31
Nominal wall thickness: 17 mm
Standard length: 1000, 3000 mm
External diameter tolerances: +0.8, +3
Internal diameter tolerances: -3, -0.8
Density: 1,31
Nominal wall thickness: 10 mm
Standard length: 1000, 3000 mm
External diameter tolerances: +0.8, +3
Internal diameter tolerances: -3, -0.8
Density: 1,31
Nominal wall thickness: 10 mm
Standard length: 1000, 3000 mm
External diameter tolerances: +1.2, +3.6
Internal diameter tolerances: -5, -1.6
Density: 1,31
Nominal wall thickness: 15 mm
Standard length: 1000, 3000 mm
Please contact us for the current availability of each size.
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