Dear all concerned,
I’d like to inform you meeting report between Nakawa company and us in case of Claim problem as follows,
Problem : Occurred Adhesive seed on the product of S50-X2125-F100.
Assumption : Occurred Air Bubble in Mixing and Coating process
Improvement : Trial coating by change the condition of production as follows,
1. Change Coating machine from No.5 to No.6
2. Add more adhesive purgation process to clean Air Bubble out from Adhesive after Mix adhesive.
3. Reduced speed from 12 M/min to 5 M/min
4. Adjusted temperature of oven from 80C to 110C
5. Adjusted aging process from keep 40 C 3 days to keep 25C/1 days + 40C/3 days
Result : Adhesive seed decreased in Coating process
Other : 1. Sample roll will deliver to them on next Monday.
2. They have problem stock about 1500 M. They will try to use it with other products. Any details (price of problem lot, etc.) will discuss again.
Moreover they need product replacement as soon as possible after they accept trial product.
3. Nichiei have stock now 2,400 M. They requested us to add more stock supporting their urgent order.
4. They requested us to inspection on Coating process and before delivery to protect NG product.
5. They want to get 1 M of sample today. Nok san will send them.
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Problem : Occurred adhesive groove on the product of PET50-GU3(20)-GM (MATT)
Assumption : Found groove line on Release liner
Improvement : Protect NG problem by add more Inspection process that is,
1. Check Liner before Coating process
2. Check every 1000 M during Coting process
3. Check every roll during Slitting process
Result : Nakawa satisfied our improvement plan.
If you have any question, please feel free to contact me.