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What is PPSU ???
PPSU is short for polyphenylsulfone, which is the highest performing thermoplastic that gives better durability and heat tolerance than PP and PES. PPSU is transparent, high heat resistant and with excellent hydrolysis stability. PPSU stands up to repeated sterilization and prevents odor or color absorption. It is naturally BPA free, it’s a safer and better material for baby feeding bottles. Despite its supreme durability, it is advisable to change your PPSU bottles yearly.