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PEEK material performance

Chemical resistance

and strong acid, strong base except
PEEK is insoluble in any solvent
concentratedsulfuricacid,and
resistant to hydrolysis.
 

Low temperature resistance

Good mechanical properties can
be maintained at -196 degrees
 

Radiation resistant

PEEK can still maintain good
insulation capacity and retain
good mechanical properties
whenyirradiationreaches
1100Mrad.
 

High strength

Thespecificstrengthofthe
enhancedPEEKmaterial
exceeds that of steel, aluminum
alloy and other metal materials.
 

Fatigue resistance

alternatingforceisvery
The fatigue resistance under
prominent, and it is suitable
for extreme fatigue scenes
such as long-period gears.
 

Creep resistance

Under the stress of 50% tensile
strength, the creep variable of
PEEK for 1000h is less than 0.5%
 

Wear-resistant

suitable for applications requiring
Its excellent sliding properties are
strict low coefficient of friction and
abrasion resistance.
 

High temperature resistance

Tg=143 degrees Celsius
Tm=343 degrees Celsius
Sustainable service temperature
(CUT):260°C(no load)
Thermal deformation temperature
(HDT):310°C
Carbon fiber reinforced (PEEK)
HDT:320°C
(Maximum temperature):
320 degrees Celsius
 

Peek oil-free self-lubricating

The friction coefficient of pure PEEK is about 0.3~0.4,Enhance mechanical strength through carbon fiber reinforcement while reducing friction coefficient to 0.2,By adding PTFE, the friction coefficient is significantly reduced to 0.1,Modified PEEK can be selected for high load or high-speed scenarios
 

hydrolysis resistance of PEEK

Low water absorption rate: Pure PEEK has an extremely low water absorption rate (0.1%~0.5%). In hot water at 80-120 ℃, PEEK can be used for a long time without significant hydrolysis; In water at 120 ℃, the strength retention rate is greater than 90% after 1000 hours,
 

dimensional stability

The molding shrinkage rate of pure PEEK is about 0.7%~1.1%,The coefficient of thermal expansion (CTE) of PEEK is only 4.5 × 10 ⁻⁶/℃, and the size change is minimal during temperature fluctuations,Adding carbon fiber can further reduce the thermal expansion coefficient to 1.5 × 10 ⁻⁶/℃, while improving the tensile strength.
 
PEEK material processing full process solution

PEEK injection

Integrated services of mold design, precision manufacturing, 3D printing, and machining

Adopting material property adaptation design, based on PEEK's high temperature resistance (long-term use temperature of 260 ℃), high strength (tensile strength of over 100 MPa) and chemical inertness, the mold structure needs to be optimized during design to reduce stress concentration and ensure long-term stability in high temperature and corrosive environments.

When designing PEEK molds, CAD/CAM software is used to simulate the molding process, combined with PEEK's low thermal expansion coefficient (3.1 × 10 ⁻⁵/℃) to optimize mold tolerances and avoid accuracy deviations caused by thermal deformation.
The main production machines of the injection molding department are Toshiba, Nippon Steel, and Mitsubishi from Japan. The machine position ranges from 100T to 1300T to meet the injection molding needs of customers with different product sizes.

PEEK 3D printing

PEEK 3D printing has higher design freedom and is suitable for complex structure manufacturing, supporting designs that are difficult to achieve with traditional processes such as lattice structures and internal flow channels
When using SLS technology for 3D printing, the recovery rate of PEEK powder exceeds 95%, reducing the cost of high-end materials.
How can PEEK3D printing help you?

PEEK 3D printing is suitable for small batch customization, eliminating mold costs and reducing individual unit costs by 60%.
CF/PEEK composite materials replace metals, reducing weight by over 50% and overall costs by 20%.
 
Lightweighting is the development trend of modern manufacturing. PEEK material features lightweight and high strength, and is one of the most superior thermoplastic materials in terms of performance, meeting the performance requirements of high-end manufacturing.
Manufacturing PEEK material into printing filaments can make it easier to produce various structurally complex parts, especially those with more complex internal structures.
 
As a high-performance plastic supplier in China, PRES offers a range of high-performanceplastic products, including plastic pellets, plastic plates, plastic rods, plastic tubes, plastic powders, and high-performance 3D printing filaments.
Meanwhile, we provide mold design & manufacturing & injection molding services.

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