Extrusion & Post
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Oil agent shedding of PET fiber
Problem Phenomenon
During subsequent processing of PET fiber, the oil agent sheds and produces powder, and fly increases during weaving.
Cause Analysis
The bonding force between the oil agent and the fiber surface is insufficient; the oil agent has poor heat resistance and volatilizes or decomposes during drawing and heat setting; application is uneven.
Solution
Select an oil agent system compatible with PET; optimize the application process (metering pump oiling); improve oil agent heat resistance.
Key Takeaway
PET fiber oil agent shedding affects the smoothness of subsequent processing.
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