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Pri hľadaní dodávateľov Coca-Coly v konzervách je dôležité zvážiť niekoľko faktorov. Prvým je kvalita produktu. Spotrebitelia očakávajú, že ich nápoj bude mať tú najlepšiu možnú chuť a kvalitu, čo si vyžaduje, aby dodávatelia dodržiavali prísne normy kvality. Druhým faktorom je cena. Cena musí byť konkurencieschopná, aby bolo možné zabezpečiť ziskovosť podnikania, ale nesmie to ísť na úkor kvality.
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Common materials used in oil seals include nitrile rubber, fluorine rubber, silicone rubber, acrylic rubber, polyurethane, polytetrafluoroethylene, etc. When selecting the material of the oil seal, the compatibility of the material with the working medium, the adaptability to the working temperature range and the ability of the lip to follow the rotating shaft at high speed must be considered. When the oil seal is working, the temperature of its lip is higher than the working medium temperature by 20~50°C. Attention should be paid when selecting the oil seal material. The working range of the oil seal is related to the material used for the oil seal: the material is nitrile rubber (-40~120°C), Aggreko rubber (ACM) -30~180°C, fluorine rubber (FPM) -25~300°C.