一般膏霜瓶由外蓋，內蓋，外瓶，內膽四件套組成。一般有常見的幾種材質的組成方式有：

1. Acrylic exterior, PP interior.
2. The lid is acrylic outside and ABS inside with a PP gasket.
3. Ceramic inside, electrified aluminum outside PP, ABS with a layer of PP gasket inside the lid, electrified aluminum outside and PP inside.
4. All PP bottle with an inner layer of PP gasket.
5. External ABS internal PP. with a layer of PP gasket.

However, these are just a few ways for reference, the material composition of the cosmetic package is as flexible and varied as the cosmetic package and its process. Speaking of process.Cream Bottle PackagingThe craftsmanship of each is also distinctive:

1, electrochemical aluminum: aluminum exterior, on a layer wrapped in an inner layer of plastic.

2、Electroplating(UV): Compared with spraying the effect comes out in bright colors.

3、Spraying: Compared with electroplating out of the color is dark matte.

Frosted: a frosted layer of texture.

Spraying outside the inner bottle: It is spraying the outside of the inner bottle and there is a clear gap between the outer bottle and the outer bottle when viewed from the outside. The spraying area is small when viewed from the side.

Outer bottle inside spray: is the inner side of the outer bottle spray painting from the appearance of a larger area. Vertical plane to see a smaller area. And there is no gap with the inner bottle.

4, brushed package of gold and silver: actually a film, careful observation can be found on the bottle articulation gap.

5, secondary oxidation: the original oxidation layer in the second oxidation, so as to achieve the light surface covered with a dark matte surface pattern or dark matte surface appeared light surface pattern. Mostly used in the production of logos.

6, injection molding color: is in the product injection molding in the raw material to add color powder. The process is relatively cheap. You can also add bead powder, you can also add too white powder to make PET transparent color into opaque color (and then add some color powder can be toned). The generation of water ripples is related to the amount of pearl powder added.

The above is the cream bottle material and process, this knowledge is convenient to quickly understand some of the characteristics of the cream, but to understand more deeply, we have to go into the cream bottle manufacturers entity to see, read a thousand books is not as good as walking a thousand miles.