1. The compatibility of foil almain and automatic packaging machine, whether there is a test machine corresponding to the sample
2. The running speed of the aluminum foil, the number of packages per minute?
3. Is the surface of the aluminum foil package flat?
4. Is the number of joints of aluminum foil roll film small?
5. The splicing method of the aluminum foil roll film joint, is it lap joint or flat joint?
6. What color tape is used at the joint of the aluminum foil roll film, does it serve as a warning?
7. The direction of unwinding of aluminum foil roll film, head out? Tail out?
8. If it is a multi-column aluminum foil package, is the flatness error of the aluminum foil roll film within 3 microns?
9. If it is a stretched aluminum foil film, be sure to pay attention to the width of the film, there may be errors
No more than 1.5MM
10. Pay attention to the cumulative error of the cursor spacing when making the aluminum foil roll film!
11. Whether the odor and residual solvent of aluminum foil roll film exceed the standard!