Material Drying
5 مشاهدة
PPO Drying Equipment Selection
ظاهرة المشكلة
【Problem Phenomenon】Ordinary hot air oven drying of PPO has fluctuating effect, and defects rise again in the rainy season
تحليل الأسباب
PPO moisture content requirement of 0.02% is a strict level, and ordinary hot air ovens are greatly affected by ambient humidity; dehumidifying dryers with stable dew point can ensure a consistent drying endpoint
الحل
Equip dehumidifying dryers and monitor dew point; hot air ovens are only used for low-requirement occasions with extended time; intensify moisture content sampling in the rainy season; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
الخلاصة الأساسية
The 0.02% moisture content goal needs a dehumidifying dryer as backup; hot air ovens depend on the weather; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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