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Brief Introduction of Lipstick Tube Packaging Material Knowledge

The lipstick tube is the most complex of all cosmetic packaging materials. The lipstick tube is a combination of multiple components. It is a functional packaging composed of different materials. From the material body, there are also volatile and non-volatile (air-tight/non-volatile). Airtight), and most of the filling is automatically filled by the machine (pre-filling, post-filling, direct filling, etc.), including the loading of the lipstick tube, the combination of different parts, poor tolerance control, or unreasonable design , Even if the way of lubricating oil is wrong, it will cause downtime or malfunction.

What are the packaging materials of the lipstick tube?

Plastics: PC, ABS, PMMA, ABS+SAN, SAN, PCTA, PP

Aluminum: 1070, 5657

Others: aluminum-plastic combination, zinc alloy

Components: cover, bottom, middle beam core

Middle beam core: middle beam, beads, forks and snails

Component molding process: injection molding, etc.

Surface technology: spraying, electroplating, evaporation, laser engraving, inserts, etc.

Surface treatment process of aluminum parts: oxidation

Graphic printing: silk screen, hot stamping, pad printing, thermal transfer, etc.

Filling method of inner material: bottom, top

The bead screw is the core component of the lipstick tube, that is, beads, forks, spirals, bead screw and lubricant form the core of the lipstick tube, a bit like a pump core, but more complicated than the pump core, and some manufacturers say that the bead fork is free of lubricant Screw design, but currently not widely used.

The standardized drawings of bead snails must be standardized. Otherwise, you will not be able to grasp the size. After assembly later, there will be more complicated factors. As a result, it can be predicted that the injection molding material must pass the material compatibility verification, otherwise compatibility problems will occur. It is not good if you screw up and screw down. Beaded snails are the top priority.

The base is generally for the hand feel, and it also adds weight to the iron. The problem of heavy iron glue is equivalent to adding a risk in the lipstick tube, and the vibration in the transportation causes the trouble of degumming inside.

The main quality control indicators of lipstick tubes include hand feel indicators, filling machine requirements, transportation vibration requirements, airtightness prevention, material compatibility issues, size interoperability issues, aluminum-plastic tolerance and color issues, and productivity The problem is that the filling volume must meet the declared value of the product.

Therefore, it is very necessary to choose a professional and reputable cosmetics packaging manufacturer.

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