High purity hoses, or sanitary hoses, are specialized flexible conduits designed for the transportation of ultra-pure or high-purity fluids and gasses without introducing contamination. High purity hoses are constructed from materials chosen for their high purity and low contamination properties.

Common materials include PTFE (polytetrafluoroethylene), PFA (perfluoroalkoxy), silicone, EPDM (ethylene propylene diene monomer), and platinum-cured silicone.

The primary focus of high purity hoses is to maintain the purity of the transported fluids or gasses. The materials used are highly resistant to chemical corrosion and do not leach contaminants into the process media. Surface finishes are typically smooth and polished to minimize the risk of particle entrapment and microbial growth.

These hoses are commonly used in industries such as pharmaceuticals, biotechnology, food and beverage, semiconductor manufacturing, and other applications where maintaining purity is of utmost importance.



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