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bubble mailer bag
|4 Layers Rose Gold Bubble Mailers , 380x330 #B4 Metallic Glamour Mailers|
The aluminum plating process of plastic film is usually plated by direct plating, and the aluminum coating is directly plated on the surface of the substrate film. There is no need for surface treatment before aluminum plating of BOPET and BOPA film substrate, and can be directly steamed. BOPP, CPP, PE and other non polar plastic film, steamed in need on the film surface corona treatment or coating adhesive layer before plating, the surface tension reached 38-42 dyne / cm or has good adhesion. In the process of evaporation, the film is placed in a vacuum chamber, and the vacuum chamber is closed. When the vacuum level reaches (4 * 10 4mba), the evaporation boat will rise to 1300 ~ 1400 C, then the aluminum wire with purity of 99.9% will be sent to the evaporation boat continuously. Adjust the rolling speed, winding speed, wire feeding speed and evaporation volume, open the cooling source, make the aluminum wire continue to melt and evaporate on the evaporating boat, and then form a bright aluminum layer on the surface of the moving film, that is, the aluminum plated film.
|Metallic bubble mailers
Metallic bubble mailers is made of low density polyethylene (LDPE). The features of low cost, large volume, good waterproof performance. Usually we receive the courier package, the package outside the black or gray bag is the courier bag. LDPE film flexibility, are not easy to be torn, comparison of bright color printing, many logistics companies in order to achieve the effect of publicity will custom printed graphic courier bags. Express bag also has anti theft special self-adhesive tape, the self-adhesive posts with a one-time, non recovery characteristics and prevent the parcel before delivery to the recipient is opened without authorization, using a very simple and convenient.
Metallic bubble mailers has self-adhesive tape, using a special glue, as long as mouth closed, then open it will damage opening or a mark was opened, which is prevention in parcel transport process is stolen. At the same time the bag is closed, the sealing property is good, effectively waterproof, sunscreen.
The 1 layer is made of pure low density polyethylene film.
Metallic bubble mailers use high quality low density polyethylene material by blow molding equipment to produce Poly film, then composite with self-adhesive tapes. Finally, making equipment produce finished bag.
The blow molding process, composite process, bag making process
Thickness of 11 wire size can be customized
1 light weight, large volume.
2 strong flexibility, not easy to be torn
3 self adhesive tape, security and security open
4 waterproof, sunscreen
Express bag, mailing bag, Bao Guodai
|Materials Classification :||PET|
|Melting Point :||168℃|
|Working Temperature :||-100°C~+100°C|
|Material Density :||0.930g/cm³|
|Conventional Size :||380x330 #B4 ()|
|Sample Color :||Red|
|Basic Material :||Laminated Material|
|Protruding Characteristics :||Barrier|
|Application Industry :||Apparel|
|Shape Style :||Single Web Stand Up|
1. has good mechanical properties, impact strength is 3~5 times of other films, good folding resistance.
2. oil resistant, fat resistant, acid tolerant, dilute alkali, resistant to most solvents.
3. with high and low temperature performance, can be used for a long time at 120 degrees Celsius temperature range, short-term use of resistant to high temperature of 150 DEG C, -70 resistant to low temperature, and high and low temperature effects on the mechanical properties is very small.
The permeability of 4. gas and water vapor is low, and it has excellent performances of gas resistance, water, oil and odor.
5. high transparency, can block ultraviolet light, good gloss.
6. non-toxic, tasteless, sanitary, safe, and can be used directly for food packaging.
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