How to prevent the “ghosting” defect where ghost images appear in offset printing?
To prevent the “ghosting” defect in offset printing, factories usually focus on stabilizing ink supply, roller settings, and ink-water balance. Ghosting typically…
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Read MoreHow to prevent the “ghosting” defect where ghost images appear in offset printing?
What is the best printing method for a minimalist B2B skincare brand requiring white ink on clear tubes?
For a minimalist B2B skincare brand that needs white ink on clear cosmetic tubes, silk screen printing is usually the best printing…
Can flexo printing achieve smooth gradients and halftones on plastic squeeze tubes?
Yes, flexo printing can achieve gradients and halftones on plastic squeeze tubes, but the result is usually only as smooth as the…
How do factories perform the tape peel test to ensure ink durability on custom cosmetic tubes?
Factories usually perform the tape peel test on custom cosmetic tubes by applying standardized adhesive tape to a printed test area and…
What is the difference between direct printing and labeling on cosmetic packaging tubes?
The main difference between direct printing and labeling on cosmetic packaging tubes is where the decoration is applied. Direct printing places the…
How does the tube background color (e.g., black or dark green) affect the vibrancy of light-colored inks?
The background color of a cosmetic tube has a major impact on how vibrant light-colored inks appear. On black, dark green, navy,…
What are the maximum line thickness and font size limitations for silk screen printing on tubes?
For silk screen printing on cosmetic tubes, there is usually no strict “maximum line thickness” limit in normal artwork. Thick lines and…
Why does metallic ink sometimes tarnish or lose its shine on cosmetic tubes over time?
Metallic ink on cosmetic tubes can tarnish, look dull, or lose its shine over time because the metallic effect is highly sensitive…
How to design a transparent window on a colored PE squeeze tube to show the formula inside?
Yes, a transparent window can be designed on a colored PE squeeze tube, but it must be planned from the tube structure…
Can you apply spot UV coating on top of an offset-printed cosmetic tube?
Yes, spot UV coating can be applied on top of an offset-printed cosmetic tube, but the project must be engineered carefully. In…
What causes ink smudging or bleeding on PE tubes during the automated filling and sealing process?
Ink smudging or bleeding on PE tubes during the automated filling and sealing process usually happens because the printed ink has not…
How to print a seamless 360-degree artwork on a co-extruded plastic tube without a visible seam line?
In most cosmetic packaging projects, matte finish hides transport scratches better than glossy finish, while pearlized finish usually sits in the middle.…