plastic bottle knowledge

1, a single layer plastic bottle;
2, double plastic bottles;
3, single-layer imitation glass bottle;
4, vacuum bottle;
The outer packaging design of the plastic bottle is soft and hard. The bottle body is complete, smooth and straight, smooth, and the thickness is basically uniform. There will be no cold explosion, cracks, etc., no obvious scars and deformation; the bottle mouth is straight and smooth, there will be no The burr (hair), thread and other matching structure are intact and correct; the inside and outside of the bottle are clean; it is not easy to break.

C, hose knowledge
1, pipe diameter, pipe length / round pipe, flat pipe;
2, sealing, sealing, tail cursor;
3, transparent hose, solid color hose;
4, offset printing, silk screen, flexo printing;
The tube body is smooth, tidy, uniform in thickness, no obvious scratches, the color is consistent with the standard sample; the sealing is firm, there is no opening, wrinkles, etc.; the force can be squeezed; basically the tube has tin foil packaging to ensure the clean environment inside the tube

D, label knowledge
1, transparent label or white solid color label;
2, offset printing, screen printing;
3, material brand, sol period;
The printed trademark should have a correct pattern, clear color, clear and firm writing; the printed image of the manual is neat and clear, and the writing is clear; the printed head and the pattern of the head (stick) are clear; the printed characters and patterns of the certificate are clear, and the name of the factory, the inspector code, etc. mark.

E, carton knowledge
1, silver cardboard, white cardboard;
2, coating the film, covering the matte film;
The carton must be clean, straight, and flat. There must be no wrinkles, missing edges or corners. The adhesive parts are firmly bonded, without sticking marks, cracking and mutual adhesion. The color is uniform and consistent with the standard samples.

 

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