Classification and precautions of cosmetic packaging glass materials

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. It is advisable to use aluminum or plastic caps. The caps can be used for （have）color spraying effects; emulsion or water A narrow-mouth bottle is generally used  for the agent paste（Narrow-mouth bottle is generally used for emulsion or water like 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 product material testing. A plug should be there if you need a cap for the bottle.  Liquid with small holes is the same as inner plug(should use small hole inner plug), thicker emulsion is matched with large hole inner plug.

Common bottle shapes for cosmetic packaging glass materials: cylindrical, oval, flat, prismatic, cone, etc. Manufacturers often develop series of bottle shapes. The bottle body process includes spraying, transparent, frosted, translucent toning, silk screen, bronzing(gold hot stamping), and silver bronzing(hot stamping). 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(fade), the color is dull(dark), and it is difficult to produce purple color tones. The other is low-temperature ink screen printing, which is brighter in color. The requirements for the ink are high, otherwise it is easy to fall off, and attention should be paid to the bottle disinfection.

Matters needing attention in cosmetic packaging glass materials(glass cosmetic packaging):

1. Hand-processed glass bottles: If the cosmetic packaging glass material(glass cosmetic packaging) is made by hand-molded, there will be a slight deviation in the capacity. It should be tested and correctly marked when selecting. The automatic production line is more uniform, but the shipment volume is more demanding. Large(large), relatively long cycle, relatively 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 content(product) under severe cold conditions. A reasonable capacity should be tested during filling, and a paper package should be used for transportation and wrapped separately.The product should be equipped with a color box, the inner support and the middle box can play a more shock-proof effect.

3. Glass bottle sealing: cosmetic packaging glass material bottle cap technology can be anodized aluminum lettering, bronzing, etched lines, there are matte bright colors, gaskets and inner caps are required, and it is recommended to use pressure-sensitive sheets (heat seal)to strengthen the seal 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 avoid light; the lid has a safety ring and can be equipped with an inner plug or dropper. The perfume bottle and glass cosmetic packaging are general with exquisite spray pump head or plastic cover.