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345x465mm #K Blue Poly Mailer Bags Plastic Envelopes For Posting Moisture Proof
|In CO extrusion, different resin melt membranes are gathered together and formed into a combination that can be carried out inside or outside the die. Mold compound can be three, five or more kinds of resin composite together, the bonding between the layers mainly depends on the solubility and affinity resin, and the melting temperature of resin is not very different. Outside the building, also known as composite composite joints.|
express mailers, which is characterized by temporary package to be transferred in a variety of vehicles, parcel will be stacked with each other, squeezing. Poly bubble mailers can be divided into ordinary plastic bags, paper envelopes, bubble envelopes, Poly bubble mailers, woven bags and so on.
Ordinary plastic bags are made of low-density polyethylene, there is also a high-density polyethylene, a large amount of Poly bubble mailers, light weight, small size, attached to the package weight and small size, ideal for less demanding products to transportation such as clothing, footwear, jewelry, and other debris.
Courier envelope document mainly paper, divided into white paper, white card, cardboard and other cattle, paper surface usually covered with a layer of plastic film, and waterproof for added strength.
Courier bubble mailers, mostly plastic, lined with polyethylene bubbles, the outside layer of PET composite film or kraft paper, these bags lined with bubble has its cushioning effect, to better protect the bag of goods, but also pad It has a certain insulation, thermal insulation effect.
The mailers packaging mainly including the mailing bags, bubble mailers and padded envelopes.
The mailing bag is a general designation, which included may kinds of materials and many kinds of structures, the materials including the PE, PET, OPP, PVC, Aluminum, stell, paper etc. the structures including single layer, double layers and multiple layers.
|Melting Point :||160~170℃|
|Working Temperature :||-100°C~+100°C|
|Material Density :||0.925g/cm³|
|Common Size :||345x465mm #K|
|Sample Color :||Wheat|
|Basic Material :||PET|
|Protruding Characteristics :||Antifreeze|
|Typical Application Industry :||Beverage|
|Shape Style :||Stand Up|
|Classification:||Poly Bubble Mailers|
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