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Pyramid™ PEKK KD4219
| Category: | PEKK , Polyetherketoneketone |
| Manufacturer: | Polymics, Ltd. |
| Trademark: | Pyramid™ PEKK |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | kSMPUE_Pyramid-PEKK-KD4219.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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Pyramid® KD4219 is a highly wear resistant, semi-crystalline thermoplastic compound that offers an outstanding combination of strength, toughness, chemical resistance and superior dimensional stability. Comprised of Polyetherketoneketone (PEKK) base resin reinforced with carbon fibers and proprietary lubricants, Pyramid® KD4219 is an ideal choice for sliding and rotational wear components used in environments with temperatures of up to 500°F. Benefits offered by Pyramid® KD4219:
Pyramid® KD4219 is offered by Polymics in both resin pellets for injection molding or extrusion and near net shapes for machining. Resin pellets are packaged in boxes or gaylords. To meet the wide ranging needs of machinists and fabricators, Pyramid® KD4219 stock shapes are offered by Polymics in a wide array of both compression molded and injection molded shapes and sizes. Polymics' offerings include plates in sizes from 10"x10" to 12"x18" and thicknesses from 1/4" all the way to 2", rods in diameters from ¼" to 5" in lengths up to 18" long and tubular bars and discs with outer diameters up to 15". Injection molded shapes are available from existing tools in a wide variety of shapes and sizes. |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.46 | g/cm³ | ASTM D792 |
| Water Absorption (24 hr) | 0.040 | % | ASTM D570 |
| Hardness | Nominal Value | Unit | Test Method |
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| Rockwell Hardness (M-Scale) | 90 | ASTM D785 | |
| Durometer Hardness (Shore D) | 84 | ASTM D2240 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Modulus | 12400 | MPa | ASTM D638 |
| Tensile Strength (Break) | 172 | MPa | ASTM D638 |
| Tensile Elongation (Break) | 2.0 | % | ASTM D638 |
| Flexural Modulus | 12400 | MPa | ASTM D790 |
| Flexural Strength (Yield) | 248 | MPa | ASTM D790 |
| Compressive Strength | 221 | MPa | ASTM D695 |
| Shear Strength | 138 | MPa | ASTM D732 |
| Coefficient of Friction | ASTM D1894 | ||
| vs. Steel - Dynamic | 0.17 | ||
| vs. Steel - Static | 0.11 |
| Impact | Nominal Value | Unit | Test Method |
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| Notched Izod Impact (3.18 mm) | 53 | J/m | ASTM D256 |
| Unnotched Izod Impact (3.18 mm) | 640 | J/m | ASTM D256 |
| Thermal | Nominal Value | Unit | Test Method |
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| Deflection Temperature Under Load (1.8 MPa, Unannealed) | 260 | °C | ASTM D648 |
| Glass Transition Temperature | 160 | °C | DSC |
| Melting Temperature | 360 | °C | DSC |
| CLTE - Flow (-40 to 149°C) | 4.5E-5 | cm/cm/°C | TMA |
| Thermal Conductivity | 0.25 | W/m/K | ASTM C177 |
| Electrical | Nominal Value | Unit | Test Method |
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| Surface Resistivity | < 1.0E+8 | ohms | ASTM D257 |
| Flammability | Nominal Value | Unit | Test Method |
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| Flame Rating (3.18 mm) | V-0 | UL 94 |
| Additional Information | Nominal Value | Unit | |
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| Limiting Pressure Velocity 1 | 142000 | J/m |
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| 1 . | 4:1 safety factorp |
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|---|---|---|---|
| UMG ABS® GF20 | UMG ABS, Ltd. | ABS | UMG ABS® |
| CompaDur® 121 GF 15 black (049) | DimeLika Plast GmbH | PBT | CompaDur® |
| Galloo GP-PP-125T20 | Galloo Plastics | PP, Unspecified | Galloo |
| KumhoSunny PC HCG2520MP | Shanghai KumhoSunny Plastics Co., Ltd. | PC | KumhoSunny PC |
| KEBAFLEX® SG 45 A.1 | BARLOG plastics GmbH | TES | KEBAFLEX® |
