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| Article number | 178971 |
| Color | White |
| Alternative names | FFPM – Dupont Kalrez |
| Chemical Name | Perfluoroelastomer |
| Description 2 | O-ring FFKM - FFPM 146x3.5 |
| Equal to | Kalrez® 6880 - Kalrez® 6221 - Perlast® G74S |
| Material | FFKM - FFPM |
| Packaging Unit | O-ring |
| Product name | O-ring 146x3.5 FFKM |
| Size in text | one hundred and forty six zero by three comma fifty |
| Trade names | Chemraz® - Simriz® - Kalrez® - Spectrum - Triazinico - Isolast® - Parofluor® - Fluorez - Perlast® - HPSealing® - Perfluor® - Polymax |
| Alternative Size | |
| DIN 3771 Size Chart | 146 x 3.5 |
| SMS 1586 Size chart | 146x3.5 |
| Core Spec's | |
| Approval | FDA 21 CFR 177.2400. EC1935/2004. USP Class VI. 3A-Sanitary Standard |
| CS (Cross Section) | 3.5 mm |
| Hardness | 70 Shore A |
| ID (inner diameter) | 146 mm |
| Temperature Max | 270 ºC |
| Temperature Min | -20 ºC |
| attachment |  Material Datasheet |
This FFKM - FFPM O-Ring is 146 x 3.5mm and in the color White. The Hardness of this O-ring 146x3.5 - FFKM - FFPM - FDA - EC1935/2004 - USP Class VI - 70 Shore A - White - Kalrez® 6880 - ORS178971 (Equivilent) is 70 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 -20 ºC to 270 ºC. O-rings 558059 are indicated as 178971 and have a DIN 3771 Size of 146 x 3.5. This item is equal to Kalrez® 6880 - Kalrez® 6221 - Perlast® G74S 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.
