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PEEK (polyether ether ketone) is a highly versatile thermoplastic material that belongs to the polyaryl ether ketone (PAEK) family. Its molecular structure contains both a rigid benzene ring and a flexible ether bond, which gives PEEK exceptional mechanical properties as well as a wide range of molding options. Its durability, availability, and ability to withstand high temperatures make it the material of choice for many applications. PEEK can be used continuously at 260 degrees without losing its physical and chemical properties.
Cylex offers PEEK in various forms, including sheet, rod, and tube, and they’re available in a range of sizes and thicknesses.
Regular size stock materials typically ship within 2-5 business days. Get a quote or inquire for more information about plastic materials.
Unfilled PEEK (polyetheretherketone) is a common form of PEEK plastic and the most common grade. Unlike other grades, unfilled PEEK is very pure and is not reinforced with other ingredients. It is known for its excellent heat resistance, mechanical properties, chemical stability and self-lubricity, and is widely used in many fields.
● High temperature performance: PEEK was invented for use in high temperature environments, so it can maintain stable performance at temperatures exceeding 260°C (or 500°F). (The actual mechanical properties, strength and modulus drop significantly after the glass transition temperature)
● Wear and chemical resistance: PEEK has excellent resistance to most organic solvents, acids, alkalis and other chemicals (except concentrated sulfuric acid and hydrofluoric acid, it is resistant to almost any chemical), ensuring its long-term stability in complex environments.
● Excellent strength and toughness: Unfilled PEEK has the highest elongation, toughness (note the difference from strength) and fatigue resistance among all PEEK grades.
● Biocompatibility: Unfilled PEEK complies with FDA regulations and is approved for repeated food contact and in vitro and in vivo medical applications such as artificial joints, dental implants, etc.
● Radiolucency: PEEK is purely radiolucent (not visible under MRI, CT or X-ray scanners) and can even resist gamma rays.
● Low smoke and toxic gas emissions: PEEK has low smoke and toxic gas emissions and is not easy to ignite.
● Highest steam resistance: It has the highest steam resistance of all engineering plastics.
● Sliding parts: Such as high-precision bearings, guide sliders, etc., can significantly reduce noise, reduce wear and extend service life in high-speed operation or frequent friction environments.
● Seals and gaskets: In the chemical, oil, natural gas and other industries, PEEK is used to make various seals, gaskets, valves, gears, bearings, piston rings, etc. due to its excellent chemical corrosion resistance and wear resistance.
● Transmission components: such as precision gears, drive pulleys, etc., which can maintain good dimensional stability and mechanical properties when rotating at high speed or transmitting large torque.
● Cable sheath and insulation materials: PEEK is widely used in the manufacture of cable sheaths, connectors, insulation sheets and other components due to its good insulation performance and high temperature resistance.
● Semiconductor: semiconductor cleaning fixtures, IC wafer carriers, etc.
● Medical: medical device fixtures, artificial joints, dental implants, etc.
Unfilled PEEK is available in a variety of colors, but mainly white, light brown/tan and black.
Unfilled PEEK Sheet Size | |||||
| Thickness (inches) | Thickness(mm) | Width × Length(inches) | Width × Length(mm) | Unit Weight(KG/pcs) | Unit Weight(lbs/pcs) |
| 1/5″ | 5mm | 24″x48″ | 610X1220mm | 5.35KGS | 11.79LBS |
| 1/4″ | 6mm | 24″x48″ | 610X1220mm | 6.6KGS | 14.55LBS |
| 5/16″ | 8mm | 24″x48″ | 610X1220mm | 8.5KGS | 18.74LBS |
| 3/8″ | 10mm | 24″x48″ | 610X1220mm | 10.2KGS | 22.49LBS |
| 1/2″ | 12mm | 24″x48″ | 610X1220mm | 12.2KGS | 26.90LBS |
| 3/5″ | 15mm | 24″x48″ | 610X1220mm | 15.50KGS | 34.17LBS |
| 5/7″ | 18mm | 24″x48″ | 610X1220mm | 18.10KGS | 39.90LBS |
| 3/4″ | 20mm | 24″x48″ | 610X1220mm | 20.6KGS | 45.41LBS |
| 1″ | 25mm | 24″x48″ | 610X1220mm | 25.5KGS | 56.22LBS |
| 1-1/4″ | 30mm | 24″x48″ | 610X1220mm | 31.00KGS | 68.34LBS |
| 1-3/8″ | 35mm | 24″x48″ | 610X1220mm | 36.5KGS | 80.47LBS |
| 1-5/8″ | 40mm | 24″x48″ | 610X1220mm | 40.5KGS | 89.29LBS |
| 1-3/4″ | 45mm | 24″x48″ | 610X1220mm | 45.26KGS | 99.79LBS |
| 2″ | 50mm | 24″x48″ | 610X1220mm | 51.70KGS | 113.98LBS |
| 2-36″ | 60mm | 24″x48″ | 610X1220mm | 61.50KGS | 135.59LBS |
Unfilled PEEK Rod Size | |||||
| Size (inches) | Size (mm) | Actual diameter (inches) | Actual diameter (mm) | Weight(KG/pcs) | Weight(lbs/pcs) |
| 0.24*39.37″ | Φ6*1000mm | 0.26-0.27″ | 6.7-6.8mm | 0.05KGS | 0.10LBS |
| 0.31*39.37″ | Φ8*1000mm | 0.33″ | 8.4mm | 0.07KGS | 0.16LBS |
| 0.39*39.37″ | Φ10*1000 | 0.42″ | 10.6mm | 0.13KGS | 0.28LBS |
| 0.47*39.37″ | Φ12*1000mm | 0.51″ | 13mm | 0.18KGS | 0.39LBS |
| 0.59*39.37″ | Φ15*1000mm | 0.65″ | 16.4mm | 0.29KGS | 0.64LBS |
| 0.71*39.37″ | Φ18*1000mm | 0.75″ | 19.1mm | 0.42KGS | 0.93LBS |
| 0.79*39.37″ | Φ20*1000mm | 0.82″ | 20.9mm | 0.49KGS | 1.09LBS |
| 0.98*39.37″ | Φ25*1000mm | 1.02″ | 25.8mm | 0.73KGS | 1.60LBS |
| 1.18*39.37″ | Φ30*1000mm | 1.22″ | 31mm | 1.03KGS | 2.27LBS |
| 1.38*39.37″ | Φ35*1000mm | 1.42″ | 36mm | 1.42KGS | 3.13LBS |
| 1.57*39.37″ | Φ40*1000mm | 1.61″ | 41mm | 1.84KGS | 4.05LBS |
| 1.77*39.37″ | Φ45*1000mm | 1.81″ | 46mm | 2.31KGS | 5.09LBS |
| 1.97*39.37″ | Φ50*1000mm | 2.01″ | 51mm | 2.84KGS | 6.25LBS |
| 2.17*39.37″ | Φ55*1000mm | 2.20″ | 55.8-56mm | 3.41KGS | 7.52LBS |
| 2.36*39.37″ | Φ60*1000mm | 2.43″ | 61.8mm | 4.15KGS | 9.14LBS |
| 2.56*39.37″ | Φ65*1000mm | 2.60″ | 66.1mm | 4.73KGS | 10.42LBS |
| 2.76*39.37″ | Φ70*1000 | 2.81″ | 71.5mm | 5.62KGS | 12.38LBS |
| 2.95*39.37″ | Φ75*1000mm | 3.01″ | 76.5mm | 6.41KGS | 14.12LBS |
| 3.15*39.37″ | Φ80*1000 | 3.23″ | 82mm | 7.30KGS | 16.09LBS |
| 3.23*39.37″ | Φ85*1000mm | 3.43″ | 87mm | 8.30KGS | 18.29LBS |
| 3.54*39.37″ | Φ90*1000 | 3.62″ | 92mm | 9.19KGS | 20.25LBS |
| 3.94*39.37″ | Φ100*1000mm | 4.06″ | 103mm | 11.49KGS | 25.32LBS |
| 4.33*39.37″ | Φ110*1000 | 4.41″ | 112mm | 13.81KGS | 30.44LBS |
| 4.72*39.37″ | Φ120*1000mm | 4.80″ | 122mm | 16.49KGS | 36.34LBS |
| 5.12*39.37″ | Φ130*1000 | 5.20″ | 132mm | 19.22KGS | 42.36LBS |
| 5.51*39.37″ | Φ140*1000mm | 5.59″ | 142mm | 22.16KGS | 48.84LBS |
| 5.91*39.37″ | Φ150*1000 | 5.98″ | 152mm | 25.36KGS | 55.90LBS |
| 6.30*39.37″ | Φ160*1000mm | 6.38″ | 162mm | 28.67KGS | 63.20LBS |
| 7.09*39.37″ | Φ180*1000 | 7.17″ | 182mm | 36.44KGS | 80.33LBS |
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All materials undergo rigorous performance tests to ensure that strength, weather resistance and other indicators meet standards, providing customers with reliable and durable plastic sheets and parts.
Every link is strictly controlled and accurately measured to ensure the size is correct and meet high-precision requirements, providing customers with perfectly matched customized solutions for plastic sheets and parts.


With a wide variety of products and sufficient inventory, we can quickly respond to customer needs and meet purchasing needs in one stop.
We are committed to providing high-quality services throughout the entire process. From consultation to after-sales, our professional team is on standby at all times to ensure customer satisfaction and create a worry-free purchasing experience.


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We are manufacturer.
If in stock, it usually takes 5-10 days. Or if the goods are not in stock, it is 15-20 days, depending on the quantity.
Yes, samples are provided for free, you only need to bear the shipping cost. Customized samples require a fee.
The payment term is flexible. We accept T/T, L/C, Paypal and Ali online payment.
Please don’t worry, our factory has 20 years of professional production experience. Our products are widely used in Europe, North America, Southeast Asia, Africa and other countries.
We have many years of after-sales guarantee. If you have any questions during the use of the product, you can contact us at any time.
Yes, every step before loading will be carefully inspected to ensure that the product you receive is in good condition.
We can customize the size of the product according to your requirements. Commonly used sizes include 1220*2440mm, 1220*610mm, 910*2440mm, 910*1830mm, 610*2440mm, 610*1830mm, etc.
Yes, we can produce according to the samples or drawings you provide.
Take 1220*2440*12.7mm as an example. The minimum order quantity is 10 pieces.
Goods packaging: PE bags, PE film, cartons, wooden pallets. For small items, you can choose express delivery: Fedex, DHL, UPS, SF Express, etc. For large items, you can choose land and sea transportation. Also choose the transportation method according to customer requirements.