Material Drying
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Bubbles in FEP products
Fenómeno del problema
Bubbles appear in FEP products
Análisis de la causa
Trace moisture or oligomers in FEP pellets gasify at the processing temperature
Solución
Strict drying (attention is still needed although the water absorption rate is extremely low); lower the processing temperature
Conclusión clave
Even extremely trace amounts of volatiles in FEP may cause bubbles at high temperatures
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