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| Article number | 178721 |
| Description 2 | O-ring FFKM - FFPM 557.69x6.99 |
| Dimensions | 557.69x6.99 |
| Equal to | Dupont Kalrez 0900, Greene Tweed Chemraz 526, PPE Perlast G90D, Trelleborg Isolast J9510 |
| Material | FFKM - FFPM |
| Seal type | O-ring |
| Alternative Size | |
| DIN 3771 Size Chart Explanation | 557.69x6.99 |
| Size in text | five hundred and fifty seven comma sixty nine by six comma ninety nine |
| SMS 1586 Size chart | 557.69 x 6.99 |
| Core Spec's | |
| Approval | AED - NORSOK M710 |
| Color | Black |
| CS (Cross Section) Explanation | 6.99 mm |
| Hardness Explanation | 90 Shore A |
| ID (Inner diameter) Explanation | 557.69 mm |
| Temperature Max | 280 ºC |
| Temperature Min | -15 ºC |
| echnical Spec's | |
| Compression Set | 20 % |
| Engels: Technical Specifications | |
| Specific Gravity | 1,95 (+/- 0,03) g/cm3 |
| Equivalent to | |
| Dupont Kalrez® Equivalent | Dupont Kalrez 0900 |
| Freudenberg Simriz® Equivalent | Not Known |
| Greene Tweed Chemraz® Equivalent | Greene Tweed Chemraz 526 |
| Parker Parafluor® Equivalent | Not Known |
| Precision Polymer Engineering Perlast® Equivilent | PPE Perlast G90D |
| Trelleborg Isolast® Equivalent | Trelleborg Isolast J9510 |
| Other Specs | |
| Alternative names | FFPM – Dupont Kalrez |
| Chemical Name | Perfluoroelastomer |
| Product name | O-ring 557.69x6.99 FFKM - FFPM |
| Trade names | Kalrez® - Simriz® - Chemraz® - Spectrum® - Triazinico® - Isolast® - Parofluor® - Fluorez® - Perlast® - Perfluor® |
| Technical Specifications | |
| Tensile Strength | 18,4 MPa |
| Ultimate Elongation | 118 % |
| attachment |  Material Datasheet |
This FFKM - FFPM O-Ring is 557.69x6.99mm and in the color Black. The Hardness of this O-ring 557.69x6.99 FFKM - FFPM - Norsok M710 - AED - Kalrez 0900 - 90 Shore A - Black - ORS178721 (Eqvuivalent) is 90 Shore A.The alternative names of the compound are FFPM – Dupont Kalrez and they are mostly produced by Kalrez® - Simriz® - Chemraz® - Spectrum® - Triazinico® - Isolast® - Parofluor® - Fluorez® - Perlast® - Perfluor®. The O-ring is commonly used in and has an operating temperature range from -15 ºC to 280 ºC. O-rings 554085 are indicated as 178721 and have a DIN 3771 Size of 557.69x6.99. This item is equal to Dupont Kalrez 0900, Greene Tweed Chemraz 526, PPE Perlast G90D, Trelleborg Isolast J9510 and has an AED - NORSOK M710 Approval. The chemical name of this Oring is Perfluoroelastomer.
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