yIqaw mechanical ta'wIj'e' Hap 'u' potlh factor neH vaQ sealing HablI' ensuring. rewbe'mey'e' waw' Hap 'u' selection mechanical ta'wIj'e' mechanical ta'wIj'e' 'ay' working environment, such as Hat, working joH rop, working medium 'ej working mode. Hoch follows basic requirements mechanical ngaQ Hap 'u':
1. be mechanical bang, such as tensile HoS, elongation;
2. appropriate elasticity 'ej hardness, mach compression ru'Ha' deformation;
3. qach'a' je 'eS Hat resistance, pagh decomposition 'ej softening qaStaHvIS jen Hat, ghobe' let boghaj'a' qaStaHvIS 'eS Hat;
4. compatible working medium, pagh swelling, decomposition 'ej hardening;
5. QaQ yInSIp resistance 'ej aging resistance, durable.
6. abrasion resistance, pagh corrosionbaS;
7. ngeD mIw, 'eS 'ay' tu'lu'bej.