Carbon Fiber PEEK Sealing

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Carbon Fiber PEEK Sealing

PEEK is a special engineering plastic with excellent comprehensive properties. In the application of sealing rings, especially high pressure sealing, due to its excellent compression resistance, fatigue resistance, corrosion resistance, temperature resistance, it can meet the sealing requirements of different occasions.

PolyEtherEtherKetone (PEEK)

Maintains wear resistance and mechanical strength up to 260℃ continuous use. PEEK is the performance material of choice for aggressive environments such as high temperatures, wet processes, and heavy loads. It combines exceptional wear, chemical and moisture resistance with very high strength, dimensional stability and stiffness. PEEK can be continuously exposed to hot water or steam with no distortion, corrosion or galling. Unreinforced PEEK is a general purpose material noted for its high elongation and toughness. Glass fiber-reinforced PEEK offers increased strength, stiffness and stability at high temperatures, while carbon fiber-reinforced PEEK gives designers the benefit of excellent compression strength and stiffness and reduced expansion rates. PEEK is easily machined to precise tolerances.
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Description

Polyetheretherketone – Natural (beige), black

Properties Applications Industries
·       Superior wear resistance and dimensional stability to 260℃ continuous use

·       Excellent resistance to chemicals, steam and hydrolysis

·       Very low moisture absorption

·       Very high thermal stability (V-O UL 94 rating)

·       Superb flexural and torsional strength

·       Abrasion resistant

·       Good dielectric properties

·       Good resistance to radiation

·       Self-extinguishing

 ·       Sliding and wear parts

·       Food contact parts

·       Gears

·       Valve seats

·       Pump wear parts

·       Structural parts

·       Appliance parts

·       Bushings, bearings, seals and rings

·       Plug connectors

·       Wafer carriers

 ·       Chemical technology

·       Mechanical engineering

·       Energy industry

·       Electronics

·       Food technology

·       Oil and gas industry

·       Aircraft and aerospace technology

·       Automotive industry

·       Semiconductor technology

·       Vacuum technology

Material Data Sheet

PEEK (polyetheretherketone) is a high-performance engineering plastic with outstanding resistance to harsh chemicals, and excellent mechanical strength and dimensional stability.

Item Test Standard or Instrument Unit PEEK-N PEEK-GF30 PEEK-CF30 PEEK-HPV
Physical Properties
Color – Natural or Black Natural or Black Black Black
Density ISO 1183-1 g/cm3 1.3±0.01 1.5±0.01 1.4±0.01 1.43±0.01
Water Abs. (25℃.24Hrs) ISO 62 % 0.5 0.11 0.06 0.06
Mould shrinking percentage 3mm,170℃, Flow direction % 1.2 0.4 0.1 0.3
Perpendicular to flow direction % 1.5 0.8 0.5 0.5
Thermal Properties
Melting point ISO 11357 ℃ 343 343 343 343
Distortion temperature ISO 75-1/-2 ℃ 163 315 315 293
Continuous using temperature UL 74685 ℃ 260 260 260 260
Glass transition temperature ISO 11357 ℃ 143 – – –
Machanical Properties
Tensile strength(23℃) ISO527-2/1B/50 Mpa 100 155 220 134
Tensile elongation(23℃) ISO527-2/1B/50 % 34 2 1.8 2.2
Bending strength(23℃) ISO 178 Mpa 163 212 298 186
Compressive strength(23℃) ISO 604 Mpa 118 215 240 150
Lzod impact strength( no gap) ISO 180/U KJm-2 No crack 51 46 32
Rockwell hardness ISO 2039-2 99 103 107 102
Friction coefficient – μ 0.30-0.38 0.38-0.46 0.28 0.18
Electrical Properties
Dielectric strength IEC 60243-1 KV/mm 18 19
Dielectric constant IEC 60250 3.2 3.3
 Surface resistivity IEC 90093 Ω 1015Ω 1015Ω 3×106Ω 5×106Ω
Miscellaneous Data
Flammable level UL 94 V-0@mm 1.5 1.5 1.5 0.75
NOTE: *The data stated above are typical values intended for reference and comparison purposes only. *The data should not be used as a basis for design specifications or quality control. *The information is provided as a guide to the best of our knowledge and given without obligation or liability. *Testing under individual application circumstances is recommended.
* PEEK-N, Natural (Unfilled) PEEK
* PEEK-GF30, 30% Glass Filled PEEK
* PEEK-CF30, 30% Carbon Filled PEEK
* PEEK-HPV,  10% Carbon + 10% Graphite + 10% PTFE filled PEEK

 

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