
Coater: The Seven Root Causes of Film Peeling
Source : Yenchen Technical Process Consultant, Dr. Fred Rowley
1. Tablets are very hard, >25kP (tablets are too hard, nothing to stick to)
2. Very high spray rate combined with a very high inlet air temperature.
3. Low CFM
4. Tacky coating material
5. Wrong coating formula
• Excess lubricant usage in formulation
• Low mechanical strength of coating
6. Sharp object in the caoting pan
7. Plasticizer absent, not used, not mixed well.
If you have any technical questions, please contact with Grace Chiang Email:grace.chiang@yenchen.com.tw
Copyright © 2019 YENCHEN MACHINERY CO., LTD. All Rights Reserved.