Material Drying
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PBN mold carbon deposit problem in drawing processing
Problem Phenomenon
Polybutylene naphthalate PBN shows mold carbon deposit in drawing processing at 270-300°C.
Cause Analysis
Hydrolysis under high-temperature processing at 270-300°C triggers the problem.
Solution
Solved by nitrogen protection.
Key Takeaway
PBN ultra-high-temperature processing requires comprehensive protection.
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