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| Article number | 188476 |
| Approval | LT40 |
| Color | Black |
| Hardness Explanation | 75 Shore A |
| Material | FFKM - FFPM |
| Alternative names | FFPM – Dupont Kalrez |
| AS568 Size Chart Explanation | AS 266 |
| Chemical Name Explanation | Perfluoroelastomer |
| Compression Set Explanation | 30 % |
| Country of Origin | IT |
| CS (Cross Section) Explanation | 7 mm |
| Customs Code Explanation | 40169300 |
| Description 2 | O-ring FFKM - FFPM 7x202.57 |
| Dimensions Explanation | 7x202.57 |
| DIN 3771 Size Chart Explanation | 202.57 x 7 |
| Equal to | Dupont Kalrez 0040, Greene Tweed Chemraz 505 |
| ID (Inner diameter) Explanation | 202.57 mm |
| ISO 3601 Size Chart | 202.57x7 |
| Product name | O-ring 202.57x7 FFKM - FFPM |
| Seal type | O-ring |
| Size in text | two hundred and two comma fifty seven by seven zero |
| SMS 1586 Size chart | 202.57 x 7 |
| Specific Gravity Explanation | 1,95 g/cm3 |
| Temperature Max Explanation | 250 ºC |
| Temperature Min Explanation | -40 ºC |
| Tensile Strength Explanation | 16,7 MPa |
| Trade names | Chemraz® - Simriz® - Kalrez® - Spectrum - Triazinico - Isolast® - Parofluor® - Fluorez - Perlast® - HPSealing® - Perfluor® - Polymax |
| Ultimate Elongation Explanation | 257 % |
| Equivalent to | |
| Dupont Kalrez® Equivalent | Dupont Kalrez 0040 |
| Freudenberg Simriz® Equivalent | Not Known |
| Greene Tweed Chemraz® Equivalent | Greene Tweed Chemraz 505 |
| Parker Parafluor® Equivalent | Not Known |
| Precision Polymer Engineering Perlast® Equivilent | Not Known |
| Trelleborg Isolast® Equivalent | Not Known |
| attachment |  Material Datasheet Material Datasheet Material Test sheet |
This FFKM - FFPM O-Ring is 202.57 x 7mm and in the color Black. The Hardness of this O-ring 7x202.57 - FFKM - FFPM - Low Temp - Kalrez 0040 - 75 Shore A - Black - ORS188476 (Equivalent) is 75 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 -40 ºC to 250 ºC. O-rings 625998 are indicated as 188476 and have a DIN 3771 Size of 202.57 x 7. This item is equal to Dupont Kalrez 0040, Greene Tweed Chemraz 505 and has an LT40 Approval. The chemical name of this Oring is Perfluoroelastomer.
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