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What types of cosmetic packaging materials include?(2)

Views: 92     Author: Site Editor     Publish Time: 2021-09-14      Origin: Site Inquire

5. Blow-molded bottles: mostly made of PET. There are three types of lids: Qianqiu lid, flip lid and screw lid. Blow molding is directly blown into preforms. The characteristic is that there is a bump on the bottom of the bottle. It is brighter in light.


6. Blow-injection bottle: The material is mostly PP or PE. There are three types of lids: Qianqiu lid, flip lid and screw lid. Blow-injection bottle is a process that combines blow-injection and blow-molding, and only requires one mold. The characteristic is that there is an adhesive line at the bottom of the bottle.

bottle

7. Aluminum-plastic hose: the innermost is PE material and the outside is aluminum packaging. And for offset printing. After cutting, roll up. According to the tube head, it is divided into round tube, flat tube and oval tube. Price: round tube<ellipse tube<flat tube.


8. All-plastic hose: all are PE material, and the hose is first pulled out and then cut and offset printing, silk printing, hot stamping. According to the tube head, it is divided into round tube, flat tube and oval tube. Price: round tube<ellipse tube<flat tube.


3. Nozzle, lotion pump, hand washing pump


1. Nozzle: bayonet (half bayonet aluminum, full bayonet aluminum), the screw is all plastic, but some are covered with a layer of aluminum cover and a layer of anodized aluminum.


2. Lotion pump: It is divided into vacuum and suction tube, both of which are screw ports. The screw cap and head cap can also be covered with a layer of anodized aluminum. Divided into two kinds of sharp bill and duck bill.


3. Hand-washing pump: The diameter is too large, all with screw mouth. The screw cap and head cap can also be covered with a layer of anodized aluminum. Generally, steps are threaded, and those without steps are left and right knobs.


4. Coloring process


1. Anodized aluminum: aluminum exterior, just one layer wrapped on the inner plastic.


2. Electroplating (UV): The effect is brighter than the spray image.


3. Spraying: Compared with electroplating, the color is dull.


4. Brushed gold and silver: It is actually a film, and you can find the gaps in the bottle through careful observation.


5. Secondary oxidation: secondary oxidation is performed on the original oxide layer, so as to achieve a pattern with a dull surface covering the glossy surface or a pattern with a glossy surface appearing on the dull surface. Mostly used for logo production.


6. Injection color: Toner is added to the raw material during product injection. The process is relatively cheap. Pearl powder can also be added, or cornstarch can be added to make the transparent color of PET become opaque (additional toner can be used for color mixing). The generation of water ripples is related to the amount of pearl powder added.

bottle

5. Printing process


1. Silk screen: The effect after printing has obvious concavity and convexity. Because it is a layer of ink. The silk-screened regular bottles (cylindrical type) can be printed at one time. One-time cost of other irregular pieces. Color is also a one-time fee. And it is divided into two types: self-drying ink and UV ink. Self-drying ink is easy to fall off for a long time and can be wiped off with alcohol. UV ink has obvious bumps to the touch and is difficult to wipe off.


2. Hot stamping: a thin layer of paper is stamped on it. So there is no bumpy feel of silk screen printing. And hot stamping is best not to directly on the two materials of PE and PP. Need to perform thermal transfer first and then hot stamping. Or a good bronzing paper can also be directly bronzed. Hot stamping is not allowed on aluminum plastic, hot stamping can be done at full speed.


3. Water transfer: It is an irregular printing process carried out in water. The printed lines are inconsistent. And the price is more expensive.


4. Thermal transfer: thermal transfer is mostly used for large-volume and complex printing products. It belongs to attaching a film on the surface. The price is too expensive.


5. Offset printing: mostly used for aluminum-plastic hoses and all-plastic hoses. If the offset printing is a colored tube, you must use silk screen printing, as the offset printing will show the background color. And sometimes a bright film or sub-film is attached to the surface of the hose.


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