General speaking ,all the detials for the tube should be consider into the communication when you place an order to the manufacturers.Usually,there are lots of things should pay attention to it.And the tube bar code for cosmetic packaging is one of them.

 

Amplification factor is actually refers to the size of the commodity bar code, commodity bar code is too large will take up too much packaging design or space of the printed word, also not practical; Is too small, easy to cause printing, difficult to read. As a result, the size of the barcode to appropriate, by according to the size of the product packaging and printing area, its merchandise goods barcode on the outer packing the amplification coefficient should be chosen within the scope of 0.8 to 2.0, usually amplification coefficient should be 0.9-1.2, to 0.8-0.9 bar code symbol, the difficulty of the quality control is larger, should carefully choose to use.

 

The empty color refers to the color of the bar code entries in contrast with the substrate color is in line with the standard. Commodity bar code is to use special equipment to read on resolution of empty brightness and size to identify, so the article requirement and empty color contrast is bigger, the better. In general, white bottom, the safest black bar is the ideal color match. Due to the color itself can have a variety of changes, so when choosing the empty color should grasp a principle: empty color bright as far as possible, as far as possible in the color not blue, black, the color depth as far as possible, should contain blue or black in color.

 

The commodity bar code printing position should be based on principles of bar code symbols deformation and easy to read. Commodity packaging commodity bar code is placed on the change, the greater the cashier for bar code and the settlement with the scanner is slow, the lower retail efficiency, therefore, the commodity bar code printing position should be standardized as much as possible. To facilitate scanning settlement, usually  the  bar code of cosmetic packaging tube printing on the outer packing should be "natural" on the bottom.