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|Antistatic Metallic Pink Bubble Mailers , Bubble Wrap Bags 135x210 #-AC
|The product has two layers of structure, which has the advantages of light and environmental protection. The outer layer is aluminum plating film, and it is lined with bubble film. The bag is beautiful and generous, and its unique toughness prevents bags from breaking. The transparent bubbles inside the surface have good cushioning effect to prevent the damaged products from being damaged by pressing, touching and falling. It is suitable for mailing CD discs, tapes, electronic components, integrated circuit boards, optical lenses, books, documents, photo frames, gifts, clocks and watches. And other items, is a personal mail, the company can choose to choose] supplies.
The causes of holes in the film are: (1) the aluminum in the evaporation boat is too full. The solution is to reduce the speed of aluminum delivery and improve the evaporation boat current. 2. There is a short circuit between the evaporation boats in the vacuum chamber. Solution: exclude short circuit. (3) the solution of the impurity splash in the vacuum chamber: the clean vacuum chamber wall, the aluminum vapor deposition device, the cooling drum, the reel, the coiling device and the guide rolls. 3. The reason for the tensile phenomenon of the film during aluminum plating is as follows: (1) the tensile strength of the substrate is too large. The solution is to adjust the tension control system and reduce the tension properly. The cooling system works well. Solution: check the cooling system and eliminate the failure. The temperature of the evaporating boat is too high. The solution is to reduce the heating current of the evaporation boat and improve the speed of the car.
|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
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|The color is yellowish, translucent and lustrous. Transparency is better than polyethylene, polypropylene, poor polystyrene, with the auxiliary dosage is different, divided into soft and hard PVC, soft products soft and tough, feel sticky, hardness of hard goods is higher than low density polyethylene, and lower than polypropylene, in the inflection place will appear whitening phenomenon. Stable; not easy to be acid and alkali corrosion; heat tolerance.
PVC has the advantages of flame retardant (flame retardant value above 40), high chemical resistance (concentrated hydrochloric acid, sulfuric acid concentration of 90%, nitric acid concentration of 60% and sodium hydroxide concentration of 20%), mechanical strength and good electrical insulation advantages.
Polyvinyl chloride has poor stability to light and heat. The softening point is 80, and it begins to decompose at 130. In the absence of heating stabilizer, PVC began to decompose at 100 degrees Celsius, and decomposed faster than 130 degrees celsius. When heated, the hydrogen chloride gas is released, and hydrogen chloride is toxic gas, which makes the color change from white to pale yellow to red to brown to black. Ultraviolet rays and oxygen in the sun will cause the decomposition of polyvinyl chloride, which makes the flexibility of polyvinyl chloride decrease and finally become brittle. From here, it is not difficult to understand why some PVC plastic will become yellow and brittle for a long time.
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