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PEEK offers a unique combination of high mechanical properties, temperature resistance (-50°C to +250°c) and excellent chemical resistance, making it the most popular advanced plastics material.
PEEK Plastic Sheet is also self-extinguishing according to UL 94 VO and is food compliant.
Because of its strength, PEEK is used to make items used in demanding applications, including bearings, piston parts, pumps, HPLC columns, compressor plate valves, and cable insulation. It is one of the few plastics compatible with vacuum applications. It is also used extensively in the aerospace, automotive, and chemical process industries as well as train and underground applications. PEEK is one of the only polymers that can be used as a metal replacement for high temperature applications. It has become an essential tool for materials engineers in applications when no other material can meet the requirements, such as for the oil and gas industry for drilling as well as production. PEEK is also a superior material for alternative energy production in the construction of solar, wind, nuclear, geothermal and hydropower equipment and components.
The stiffness of PEEK sheet drops off significantly and its expansion rate increases above 150°C. An alternative material such as PAI (polyamide-imide) might be better for close tolerance bearings or seals operating at temperatures higher than 150°C.
PEEK polymer is considered one of the highest performing materials in the world. PEEK is a semi crystalline thermoplastic known for its unique combination of properties. These include:Excellent high temperature performance Chemical and wear resistance Biocompatible It has a tensile strength of 90 to 100 MPa It melts at around 343°C (higher than the melting point of PTFE or PPS)and can be used in high continuous service temperature at 260°C Highly resistant to thermal degradation as well as attack by both organic and aqueous environments PEEK is inherently pure
On the downside there is one big disadvantage and that is the high price of PEEK – almost four times the cost of PTFE for example – which usually limits its application to high value items. In addition, PEEK is not a shape memory polymer.
PEEK Plastic Sheet material has a high hardness - 53% harder than Acetal – and it has 36% more tensile strength than nylon 6, 6 and is almost 60% stiffer! When it comes to high temperature its short term operating temperature is 300°C - 40 degrees more than PTFE – that’s 15% higher. PEEK also has excellent machine-ability, excellent wear and slide properties, and is flame retardant.
The material must be stress-relieved through an annealing process before machining. This decreases the likelihood that surface cracks and internal stresses will form from the heat generated while cutting. Long stretches of machining time may require additional annealing of the work piece before making finishing cuts to prevent crack formation. It is suggested that silicon carbide cutting tools be used for natural PEEK. The best way to avoid adverse effects on the material’s biocompatibility is to machine dry. However, because PEEK doesn’t dissipate heat the way metals do, coolant may sometimes be necessary to remove cutting heat that builds in the work piece. The best coolant is pure water as it is least likely to affect the PEEK’s biocompatibility.
PEEK Plastic Sheet is very tricky to bond, it has low surface energy which prevents things like adhesives being able to grab on. Depending on the adhesive used, surface roughening may increase in the bond strengths.
PEEK sheet material is resistant to a wide range of chemicals and solvents.
All unfilled PEEK grades comply with FDA regulations for repeated food contact.
PEEK possesses very good abrasion and high wear resistance.
The radiation resistance of PEEK Plastic Sheet is quite high for a plastic material. It can absorb over 1000 units of radiation with no appreciable loss of mechanical properties.
Other Trade names (also known as):Victrex® PEEK Arlon® Ketron®
PEEK Plastic Sheet material is available in natural (off-white) colour and in sheet thicknesses from 5mm up to 80mm.
PEEK polymer is considered one of the highest performing materials in the world. Because of its robustness, PEEK is used to fabricate items used in demanding applications, including bearings, piston parts, pumps, HPLC columns, compressor plate valves, and cable insulation. It is one of the few plastics compatible with vacuum applications. It is also used extensively in the aerospace, medical, and chemical industries.
While PEEK Plastic Sheet is an excellent material for the high-end applications, the cost of PEEK Plastic Sheet makes it prohibitive for most low-end or low-cost components.
The PEEK Plastic Sheet we supply is 450g grade.
PEEK is a unique, high temperature, high performance engineering plastic. It is tough, rigid, and quite strong with very good chemical and radiation resistance. PEEK can be used for thousands of hours at high temperature in steam or high pressure water environments while showing no significant degradation in. Radiation resistance is also exceptional. During combustion, the levels of smoke and toxic acid gas released are the lowest of any thermoplastic. PEEK Plastic Sheet is insoluble in all common solvents and has excellent resistance to a very wide range of organic and inorganic liquids, even at higher temperatures. Please contact us for larger Size.
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Subject to the right of Consumers to return goods for refund under The Consumer Contracts (Information, Cancellation and additional charges Regulations 2013) apply, We do not sell products on a trial basis. Customers are strongly advised to check suitability and specifications of products before ordering. In some instances, Customers may benefit from special price discounts. Accordingly, orders for such goods can not be cancelled and we can only return or repair Goods where they prove to be defective and the Goods are returned for repair or replacement. In the event that Express Matting Services Ltd, at its discretion unless the Consumer Contracts (Information, Cancellation and additional charges Regulations 2013) apply, agrees to accept the return for credit of unwanted products, the goods must be returned with our prior written agreement within 14 days of delivery. The goods must be unopened and in perfect re-saleable condition All goods returned in these circumstances (except where the Consumer Protection Consumer Contracts (Information, Cancellation and additional charges Regulations 2013) apply. Please ensure that the product(s) you have purchased are to your specification prior to breaking the manufacturers seals. This will avoid disappointment and the product(s) being rejected, should you wish to return them.
13. Reduced price offer & Liquidation Products
13.1 Goods sold on "Reduced price offer" or "Liquidation Stock" are downgraded goods that our company is able to offer at a discount on the normal catalogue price. Stocks of goods offered as above are limited and such goods are sold subject to the following special rules. These special rules apply in addition to, and in the event of any conflict override, all of our other terms and conditions, except those terms and conditions specifically covering Consumers.
13.2 Upon receipt of an order, we will check stock availability. Until stock availability is confirmed to the customer, a contract for sale will not be created and no payment will be debited from the customer.
13.3 All goods sold by us as Reduced price offer & Liquidation Products are sold subject to the following special rules that apply in addition to our other terms and conditions.
13.4 Prices are not subject to value, cash or volume discounts
It is the customer’s responsibility to ensure the safe return of the goods.
Cost of returning goods are solely the responsibility of the customer.
You have the right to cancel within seven days of receipt of your goods,
Polydock bumpers and all dock bumpers are manufactured to order are therefore non refundable.
All items must be returned in the original packaging. If merchandise is defective or if you have received the wrong item, Express Matting Services Ltd will either immediately replace the item or issue a credit or refund within a few days once the merchandise has been returned to them.
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