kraft paper pouches standup good quality

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kraft paper pouches standup bags
1.FDA,SGS,ISO22000
2.size customized
3.Colors:1-12C
4.50 microns -200um

NOTE : Above sizes of kraft paper pouches standup bags shown in table is estimated and not perfect size.

1inch=25.4mm, 1oz=28.35g

Q: Why a lot of the packaging bag surface is silver foil?: Because of the use of aluminum foil can effectively prevent light barrier light, plastic packaging and direct food through accelerated food spoilage.

Q: What are the advantages and disadvantages of OPP and CPP membranes? What kind of bags are they used for?: (composite film) clothing, knitwear and flower packaging bags; documents and photo albums; films; food packaging.

Q: What are the characteristics of a good package?: This mainly refers to the packaging can perfectly protect and preserve the goods in the design of material selection, structure, can effectively cooperate with transportation storage loading and unloading circulation operation; enable consumers to use the goods, carrying and preservation is more convenient. In addition, whether the packaging material will cause pollution to the environment, and whether recycling is also very important. Packaging industry is a scientific and systematic project, and the packaging design must take into account the scientific aspects of each link, which also reflects the combination of art and science characteristics.

Q: Three layer coextrusion material for packaging bags: Three layer co extruded films composed of outer layer of high mechanical strength polyester or polypropylene, elastic material mixed or SEBS intermediate layer is polypropylene with different proportion (SEBS), mixed layer is polypropylene copolymers with SEBS.

Q: Which kind of transparent vacuum packing bag 16 wire and 24 wire?: The so-called silk is a unit, a trace of =0.01mm, from this point of view, the bag is thicker, the more difficult to leak, so the 24 wire than the 19 wire better.

Q: Is there any identification on the vacuum package?: Laser inkjet printer, laser energy generator is the product surface engraved characters.

Q: Why is the higher the elevation, the more food bags inflate? From a physical point of view: Because the food packaging bag is sealed, the air pressure inside is certain, with the elevation of the outside air pressure gradually decreased, which leads to gas bag outward extrusion pressure increased, so the higher the altitude, the food packaging bag inflated more.

Q: What's the size of the 5 kg vacuum bag, please?: Custom vacuum packing bag, I recommend to have experience in custom vacuum packaging bag manufacturers, because it can reduce the cost and time for many of you, can give you a lot of packaging design and customized recommendations.

Q: What is the difference between package material PETAL and VMPET?: What is the difference between PETAL and VMPET performance?:PETAL material with high barrier, sealing, incense retention, shielding and other functionsVMPET material has higher decoration.

Q: What's bread packing? Polyethylene film, waterproof cellophane, etc.: More importantly, the use of aluminum foil / composite or polyethylene composite or aluminum foil / polyethylene composite material. Although this type of packaging is opaque, it protects against loss of vitamin B1 in bread.

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