How to judge the quality of cosmetic bottles, and what are the criteria for purchasing cosmetic bottles? How to choose a cosmetic bottle:
1. Packaging bottles used in cosmetics are mainly divided into: skin care products (creams, lotions), perfumes, essential oils, and nail polishes. The capacity is small, and the capacity larger than 200ml is rarely used in cosmetics.
2. Cosmetic bottles are divided into wide-mouth bottles and narrow-mouth bottles. For solid pastes, wide-mouth bottles are generally used, and aluminum or plastic caps should be distributed. The caps can be used for color spraying and other effects; emulsion or liquid Generally, narrow-mouth bottles are used for pastes, and pump heads should be used. Pay attention to prevent the springs and balls from rusting. Now most pump heads are equipped with glass beads, which are usually used for material body testing. For example, a cover needs to be equipped with an inner plug. The small hole is the same as the inner plug for the water solution, and the larger hole is used for the thicker emulsion.
3. Plastic bottles are more consistent in material selection, with more shapes, rich processing techniques, and diversified matching with bottle caps. Common bottle shapes include cylindrical, oval, flat, prismatic, and conical shapes. Manufacturers often develop series of bottle shapes. The bottle body process includes spraying, transparent, frosted, semi-transparent toning, silk screen, bronzing, and silver bronzing.
4. Silk screen printing: There are usually two kinds of silk screen printing for plastic bottles. One is high temperature ink screen printing, which is not easy to decolorize, the color is dull, and it is difficult to produce purple color toning. The other is low temperature ink screen printing, which has brighter color. The ink has higher requirements, otherwise it is easy to fall off, and attention should be paid to the disinfection of the bottle.
5. The spraying effect generally requires an additional 0.5 yuan-1.1 yuan/piece, depending on the area and the difficulty of toning. The silk screen is 0.1 yuan/color. Cylindrical bottles can be calculated in single color, and special-shaped bottles are calculated in two-color or multi-color. , Bronzing and silver 0.4 yuan/section.
6. If the plastic bottle is made by hand mold, there will be a little deviation in the capacity. When selecting it, 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 long. The capacity is relatively stable.
7. The uneven thickness of the packaging bottle will easily cause damage, or be easily squeezed by the contents under severe cold conditions. A reasonable capacity should be tested during filling. The packaging should be carried by paper and separated individually. The product should be Equipped with a color box, the inner support and the middle box can be more anti-vibration effect.
8. Commonly used bottle shapes for packaging bottles are usually in stock, such as essential oil bottles, ordinary transparent or frosted bottles. The production cycle of glass bottles is long, it takes 20 days as fast as possible, and some supply periods take 45 days. Generally, the order quantity is 5,000 to 10,000. The smaller the bottle type, the larger the quantity to be made. The cycle and the minimum order quantity will be both. Affected by peak and off-season.
9. Mold opening cost: manual mold is about 2500 yuan, automatic mold is generally about 4,000 yuan, 1 out of 4 or 1 out of 8 costs 16,000 yuan-32,000 yuan, depending on the manufacturer's conditions.
10. The bottle cap process can be used for electrochemical aluminum lettering, bronzing, and etched lines. There are matte and bright colors. It must be equipped with gaskets and inner caps. It is best to use pressure-sensitive sheets to enhance the sealing effect.
11. Essential oil bottles are usually made of brown or colored and colored matte, which can avoid light. The lid has a safety ring and can be equipped with an inner plug or a dropper. The perfume bottle is usually equipped with an exquisite spray pump head or a plastic cap.
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