| Payment Type: | T/T,Paypal |
| Incoterm: | FOB,CFR,CIF,EXW,DDP,DDU |
| Min. Order: | 1 Kilogram |
| Transportation: | Ocean,Land,Air,Express |
| Port: | Shenzhen,Guangzhou,Hongkong |
Model No.: GEHR™ PEEK Unfilled natural
Brand: GEHR
| Selling Units | : | Kilogram |
| Package Type | : | Export package |
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GEHR PEEKTM
Polyetheretherketone can be used at very high temperatures (about +500 °F) and it shows an extraordinary mechanical strength, toughness, hardness, flexural strength, torsional strength. PEEK exhibits excellent chemical resistance, very good dielectric properties up to +500 °F and a very good resistance to all kinds of radiation (even ultraviolet rays only lead to a slight yellow discolouration). PEEK is self-extinguishing properties according to UL 94.
PROPERTIES GEHR PEEKTM
PRODUCT RANGE
Very high mechanical strength
Very high rigidity (also at low temperature)
Very high thermal stability
Very high creep resistance
Very high dimensional stability
Very high radiation resistance
Very high hydrolysis resistance
Relatively low notch impact strength
Low resistance to acetone
APPLICATIONS
Bearing shells
Piston rings
Valve seats
Gears
Seals
Aviation
Cog wheels
Pump vanes
Fittings
Plug connectors for the chromatography
Wafer carriers
Semiconductor industry
Key Properties
Excellent Chemical Resistance
High Temperature Resistance
Unaffected by continuous exposure to hot water or steam
Very Low Moisture Resistance
Low Outgassing Material
Total Mass Loss (TML%) .31%
Collected Volatile Condensable Materials (CVCM%) 0.00%
Water Vapor Regained (WVR%) 0.06%
Limitations
Poor Chemical Resistance to Halogens and Their Acids Including Bromine, Chlorine, Fluorine, HBr and HF
Typical Properties of GEHR PEEK™ Natural
| Description | Value | ||
| Material Type | Semi-Crystalline Thermoplastic | ||
| Chemical Name | PEEK Polyetheretherketone | ||
| Additives | Unfilled | ||
| Color | Tan | ||
| Manufacturer | Gehr | ||
| PHYSICAL | |||
| Property | Test | Unit of Measure | Value |
| Density | ASTM D792 | g/cm³ | 1.31 |
| ASTM D792 | lb/in³ | 0.047 | |
| Water Absorption, Saturation, Immersion | ASTM D570 | % by wt. | 0.4 |
| MECHANICAL | |||
| Property | Test | Unit of Measure | Value |
| Tensile Strength | ASTM D638 | psi | 13,900 |
| Tensile Modulus | ASTM D638 | psi | 522,000 |
| Tensile Elongation at Break | ASTM D638 | % | 45 |
| Flexural Strength | ASTM D790 | psi | 22,000 |
| Flexural Modulus | ASTM D790 | psi | 566,000 |
| IZOD Impact-Notched | ASTM D256 | ft-lb/in | 1.3 |
| THERMAL | |||
| Property | Test | Unit of Measure | Value |
| Coefficient of Linear Thermal Expansion | ASTM D696 | x 10-5 in./in./°F | 3.2 |
| Heat Deflection Temp | ASTM D648 | °C at 264 psi | 162 |
| ASTM D648 | °F at 264 psi | 324 | |
| Melting Point Temp | ASTM D3418 | °C | 340 |
| ASTM D3418 | °F | 644 | |
| Max Continuous Operating Temp | UL 746B | °C | 260 |
| UL 746B | °F | 500 | |
| Minimum Operating Temp | UL 746B | °C | -40 |
| UL 746B | °F | -40 | |
| Thermal Conductivity | ASTM C177 | BTU-in/ft²-hr-°F | 2 |
| ASTM C177 | x 10-4 cal/cm-sec-°C | 6.89 | |
| Flammability Rating | UL94 | NA | V-0 |
| ELECTRICAL | |||
| Property | Test | Unit of Measure | Value |
| Dielectric Strength | ASTM D149 | V/mil | 580 |
| Dielectric Constant at 1 MHz | ASTM D150 | NA | 3.2 |
| Surface Resistivity | ASTM D257 | ohm/square | > 10^13 |
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