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| Article number | 183890 |
| Color | White |
| Alternative names | FFPM – Dupont Kalrez |
| Chemical Name | Perfluoroelastomer |
| Description 2 | O-ring FFKM - FFPM 278x7 |
| Equal to | Perlast® G80H . (G75 S) |
| Material | FFKM - FFPM |
| Packaging Unit | O-ring |
| Product name | O-ring 278x7 FFKM |
| Size in text | two hundred and seventy eight zero by seven zero |
| Trade names | Chemraz® - Simriz® - Kalrez® - Spectrum - Triazinico - Isolast® - Parofluor® - Fluorez - Perlast® - HPSealing® - Perfluor® - Polymax |
| Alternative Size | |
| DIN 3771 Size Chart | 278 x 7 |
| SMS 1586 Size chart | 278x7 |
| Core Spec's | |
| Approval | FDA 21 CFR 177.2400. EC1935/2004. USP Class VI. 3A-Sanitary Standard |
| CS (Cross Section) | 7 mm |
| Hardness | 80 Shore A |
| ID (inner diameter) | 278 mm |
| Temperature Max | 300 ºC |
| Temperature Min | -15 ºC |
| Equivalent to | |
| Dupont Kalrez® Equivalent | Dupont Kalrez® 6375 |
| Freudenberg Simriz® Equivalent | Fruedenberg Simriz® 495 |
| Greene Tweed Chemraz® Equivalent | Greene Tweed Chemraz® 605 |
| Parker Parafluor® Equivalent | Parker Parafluor® V8910-75 |
| Precision Polymer Engineering Perlast® Equivilent | PPE Perlast® G80A |
| Trelleborg Isolast® Equivalent | Trellebrog Isolast® 9440 |
| attachment |  Material Datasheet |
This FFKM - FFPM O-Ring is 278 x 7mm and in the color White. The Hardness of this O-ring 278x7 - FFKM - FFPM - High Temp - FDA - EC1935/2004 - USP Class VI - 80 Shore A - White - ORS183890 is 80 Shore A.The alternative names of the compound are FFPM – Dupont Kalrez and they are mostly produced by Chemraz® - Simriz® - Kalrez® - Spectrum - Triazinico - Isolast® - Parofluor® - Fluorez - Perlast® - HPSealing® - Perfluor® - Polymax. The O-ring is commonly used in and has an operating temperature range from -15 ºC to 300 ºC. O-rings 677088 are indicated as 183890 and have a DIN 3771 Size of 278 x 7. This item is equal to Perlast® G80H . (G75 S) and has an FDA 21 CFR 177.2400. EC1935/2004. USP Class VI. 3A-Sanitary Standard Approval. The chemical name of this Oring is Perfluoroelastomer.
