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Bearing Grade wear resistance Polyether Ether Ketone SHEET
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Bearing Grade wear resistance Polyether Ether Ketone SHEET

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JUTAIPEEK®WR02 SHEET is a Bearing Grade modified polyetheretherketone (PEEK) rod profile. It has the lowest coefficient of friction among all ketone-based polymers. It exhibits unique performance within the bearing-grade PEEK family, capable of sealing under lower pressures compared to 10-10-10 PEEK (such as 450FC30) or carbon fiber-reinforced grades (such as 450CA30) while still maintaining excellent wear resistance. Bearing Grade PEEK SHEET contains 20% uniformly dispersed PTFE powder, making it ideal for use in intermittent maintenance bushings and rotors in reusable medical devices and analytical instruments. Compared to unfilled PEEK, it has a 50% lower coefficient of friction and a 25% lower wear rate, making it highly suitable for limited-use bushings and rotors. Due to its unique composition, it can seal at lower pressures than unfilled and reinforced grades.



Bearing Grade PEEK SHEET is a preferred material in various industries due to its unique performance advantages. In electronics and electrical appliances, it is favored for precision parts. In the automotive sector, it is used extensively in engine components, transmission systems, and brake systems due to its excellent sliding and friction properties, along with high strength and stiffness. The sealing industry values it for its wear resistance, chemical corrosion resistance, and dimensional stability. Additionally, in mechanical engineering, it is widely utilized for manufacturing various mechanical parts and components, benefiting from its strength, stiffness, and wear resistance.



Use a lathe or milling machine to remove the surface heat treatment aging layer, generally removing 0.5-1mm.
For milling, choose PCD-coated tools.
For drilling, use PCD-coated drill bits, and follow the principle of drilling a pilot hole before enlarging.
During processing, ensure sufficient coolant to prevent material burning or tool sticking.
It is recommended to use water-soluble cutting fluids.


Storage Instructions:
Keep away from light, moisture, and oily substances.
If not in use, wrap it properly with film.





PerformanceTest MethodUnitBearing Grade PEEK
ColorEye/Rice-Yellow
DensityISO 1183-1g/cm31.4
Tensile StrengthISO 527-2MPa≥65
Tensile ModulusISO 527-2GPa≥2.5
Elongation At BreakISO 527-2%≥10
Charpy Impact StrengthISO179kJ/m2≥4.0
Flexural StrengthISO 178MPa≥100
Flexural ModulusISO 178GPa≥2.8
Shore D HardnessISO 868/≥78
Melt TemperatureISO11357-3≥334
Coefficient of Linear Thermal ExpansionISO 11359-210-6/K≤65
Long Service TemperatureUL 746B240
Heat Deflection TemperatureISO 75-2≥143
Flame RetardancyUL 94/V-0
Volume ResistivityIEC 62631-3-1Q ·cm10^14-10^16
Frictional CoefficientASTM   D3702/0.42±0.10
Wear Rate
um/h7.3±1.5


Notes: Frictional coefficient and wear rate were tested according to ASTM D3702, that is using thrust washer testing machine. Rubbing pair is PEEK sample thrust washer and 45# steel washer, and the contact area is 1.29cm2, and the inner diameter of the PEEK sample is 25mm. The applied load is 0.35MPa and the rubbing velocity is 2m/s.



 


PEEKWR02 Sheet Specification

Dimension
Thickness*Width(mm)

Length(mm)

Weight(kg)

6 x 620

1000

6.74

8 x 620

1000

8.99

10 x 620

1000

10.78

12 x 620

1000

12.58

15 x 620

1000

15.72

16 x 620

1000

17.08

20 x 620

1000

20.67

25 x 620

1000

25.17

30 x 620

1000

29.66

40 x 620

1000

38.65

50 x 620

1000

47.52


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