Material Analysis
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Performance Change of PBT Products After Chemical Disinfection
Problem Phenomenon
The performance of PBT medical devices declines after chemical disinfection (ethylene oxide, hydrogen peroxide).
Cause Analysis
The disinfectant erodes PBT or induces stress cracking, and the disinfection temperature accelerates aging.
Solution
Test the influence of the disinfection method on PBT; select a compatible disinfection method; anneal the product.
Key Takeaway
PBT chemical disinfection compatibility needs to be verified.
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