Classification of cosmetic packaging glass materials:
Cosmetic packaging glass materials are classified into wide-mouth bottles and narrow-mouth bottles. Solid pastes are generally used in wide-mouth bottles, which are suitable for aluminum or plastic caps. The caps can be used for color spraying and other effects; emulsion or water A narrow-mouthed bottle is generally used for the agent paste, and a pump head should be used. Pay attention to prevent the spring and ball from rusting. Now most pump heads are equipped with glass beads, which are usually used for the material test and applicable test. If the cover is equipped, an inner plug is required. , Liquid with small holes is the same as inner plug, thicker emulsion is matched with large hole inner plug.
Common bottle shapes: cylindrical, oval, flat, prismatic, cone, etc. Manufacturers often develop series of bottle shapes. The bottle body process includes spraying, transparent, frosted, semi-transparent toning, silk screen, bronzing, and silver bronzing. There are usually two types of screen printing for cosmetic packaging glass materials. One is high-temperature ink screen printing, which is not easy to decolorize, the color is dull, and the purple color palette is difficult to produce. The other is low-temperature ink screen printing, which is brighter in color. The requirements are high, otherwise it is easy to fall off, and attention should be paid to the disinfection of the bottle.
Matters needing attention in cosmetic packaging glass materials:
1. Hand-processed glass bottles: If it is a manual mold production, there will be a little deviation in the capacity. When selecting, it should be tested and marked with the correct capacity. For example, the automatic production line is more uniform, but the shipment volume is relatively large, and the cycle is relatively large. Longer, more stable capacity.
2. The thickness of the glass bottle: the uneven thickness of the glass material for cosmetic packaging can easily cause damage, or be easily broken by the contents under severe cold conditions. A reasonable capacity should be tested during filling, and a paper package should be used for transportation. Separate, the product should be equipped with a color box, the inner support and the middle box can play a more anti-vibration effect.
3. Sealing of glass bottles: The cap process can be made of anodized aluminum lettering, bronzing, and etched lines. There are matte and bright colors. It must be equipped with gaskets and inner caps. It is recommended to use pressure-sensitive sheets to enhance the sealing effect.
4. Special glass bottles for essential oils: Essential oil bottles are usually made of brown or colored and colored frosted cosmetic packaging glass materials, which can be protected from light; the lid has a safety ring, which can be equipped with an inner stopper or a dropper, and the perfume bottle cosmetic packaging glass material is general Equipped with exquisite spray pump head or plastic cover.