Appearance requirements of round cap mother tube packaging
The bottle body is smooth, the surface is smooth, the thickness of the bottle wall is basically uniform, there is no obvious scar, deformation, cold explosion and cracks should not occur. The bottle mouth should be flat and level, no burr (burr) is used, and the matching structure of the screw thread and the clamping mouth should be kept good and correct. The fit between the bottle cap and the bottle cap should be tight, without slippery teeth, looseness, and no leakage. The inside and outside of the bottle should be kept clean.
(1) Inner cover: The inner cover should be complete, smooth, clean and not deformed. The inner cap should fit well with the bottle cap and the outer cap, and the inner cap should not leak.
(2) Outer cover: The outer cover should be correct, smooth, free from damage, cracks, and burrs (burrs). The color of the outer cover should be uniform. The matching structure of the outer cover thread should be kept well. The color of the outer cover and electrochemical aluminum or gold plating should be the same. The flip-type outer cover should be opened flexibly, and the connection part should not be broken. There should be a close fit between the cap and the bottle cap to prevent slippage and loosening of teeth.
Obvious wrinkles, scratches and bubbles should not be used in the bag. The color of the bag should be uniform. The sealing of the bag should be firm, and there should be no opening, perforation, leakage (sticking) phenomenon. The composite bag should be firmly composited and evenly coated.