...
2025-08-15 05:26
911
...
2025-08-15 04:21
2548
...
2025-08-15 04:19
1500
...
2025-08-15 04:12
595
...
2025-08-15 04:04
2594
...
2025-08-15 03:45
2600
...
2025-08-15 03:32
1530
...
2025-08-15 03:27
1399
...
2025-08-15 03:23
1449
...
2025-08-15 02:57
1594


sheet gaskets.
Other important factors are ensuring the hardness and roughness of the shaft are correct. A shaft hardness of HRC 45 is recommended for a rubber sealing lip, with a roughness of Ra 0.4-0.8. A higher shaft hardness of HRC 60 and shaft roughness of Ra 0.1-0.4 is recommended for a PTFE lip.
Acrylic rubber and fluorine rubber, fluorosilicone rubber, perfluoro rubber, etc.

Car Engine Head Gasket: Importance in Engine Functionality
