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Medical Grade PEEK features a combination of very high rigidity, hardness, tensile strength and bending strength (high toughness and fatigue strength), high heat deflection temperature and excellent resistance to disinfectants and detergents. It also has an exceptionally high hydrolytic stability so that repeated sterilisation in steam is possible without any problems.
Characteristics of Medical Grade PEEK include:
- Excellent sterilisability with all standard methods (superheated steam, gamma, E-beam, EtO)
- Very high stability, rigidity and toughness
- Very high thermal stability and heat deflection temperature
- Very high creep resistance
- Very high dimensional stability
- Very high radiation resistance
- Very high hydrolysis resistance
- Good wear properties
- Low water absorption
- Inert
These Medical Grade products are suitable for medical and pharmaceutical applications with direct body contact with tissue, bone, skin and mucosa for up to 24 hours. All raw materials used for the medical grade products are food grade (FDA, EU 10/2011) and have been tested and evaluated by an independent accredited testing laboratory and meet the following biocompatibility requirements:
- ISO 10993-1: Evaluation and testing within a risk management process
- ISO 10993-5: Tests for in vitro cytotoxicity
- ISO 10993-12: Sample preparation and reference materials
- ISO 10993-18: Chemical characterization of materials
- USP Class VI
Typical applications include surgical instruments, dental instruments, connectors, sealing rings, spacers, dosing systems, in vitro diagnostics, grippers, holders, insulation sleeves, and primary packaging in the pharmaceutical sector.
If you have a requirement for machined or finished Medical Grade PEEK components please ask the Plastock team for more information.
| Material | PEEK |
| Shape | Rod |
| Colour | Natural |
| Density (g/cm³) | 1.32 |
| Water absorption (%) | 0.4 |
| Yield stress (MPa) | 115 |
| Elongation at break (%) | 16 |
| Tensile modulus of elasticity (MPa) | 4210 |
| Ball indentation hardness (MPa) | 250 |
| Notched impact strength (kJ/m²) | 4 |
| Shore hardness (scale D) | 90 |
| CLTE (10⁻⁶K⁻¹) | 25 |
| Service temp long term min (°C) | -40 |
| Service temp long term max (°C) | 260 |
| Heat deflection temperature (°C) | 158 |
| Dielectric constant | 3.2 |
| Dielectric strength (kV/mm) | 16 |
| Volume resistivity (Ω\*cm) | ≥10¹³ |
| Surface resistivity (Ω) | ≥10¹³ |
| Flammability 3mm | VO |
| Flammability 6mm | VO |
| Material type | Medical Grade |
| Physiological Safety | EEC, FDA |
| Biocompatibility | ISO 10993 -1, -5, -12, -18 |
| USP -Class VI |
Minimum order value excluding VAT & delivery is £25
What is the cost of delivery?
Because of the huge variation in our orders we have developed a specialised shipping calculator for clients ordering online. Once you fill out your order details and progress through to the online checkout, our calculator will automatically work out the precise shipping cost for you to check before you proceed.
What delivery methods do you use?
We have a selection of couriers suited to the size, weight and type of product you order from us. It is likely we will deliver your goods with a courier service such as Tuffnells, TNT, DHL etc. You can track your order with the shipment number, if you would like us to send you the tracking number for your order please contact us or give us a call and we can track it for you.
If you would like to specify any special delivery instructions these can be entered at the point of ordering or please give us a call once you have placed your order and we will try to accommodate your requests.
Delivery options...
- Collection. Once your order is ready for collection, we shall call you to advise. Our collection point is open until 5pm - Monday - Friday.
- Standard Delivery. All of our orders come with standard delivery which is typically a 1-3 working day service. Standard delivery assumes reasonable access and is to ground floor, or use of a suitable lift for anything above ground level.
- In a hurry? We can look into premium delivery services at an extra cost. Give us a call on 01494 449 975 to find out more.
- Installation. If required please get in touch about our installation services and how we can best support you, all with a smile!
See our shipping page for more details.