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Express carton packaging, plastic packaging should be how to deal with?
- Express packaging bags can be used as garbage bags, now online shopping people, in addition to vegetables, fruits this difficult to preserve things, a considerable portion of daily necessities are purchased from the internet. However, the excessive packaging of online shopping packages once troubled people. "Online shopping, a clothing is generally at least two layers of packaging, and the first is the clothes factory comes with transparent plastic bags, and there is a layer of express bags attached to the courier."." Some time ago, "double 11", a friend bought three clothes and a set of speakers, these days have gradually arrived, and summed up a total of eight large plastic bags and two cartons.s
Can food wrap be heated in a microwave oven?
- A package or container that is not suitable for microwave heating:1 metallic or metallic or metallic (absolutely not)2, if the porcelain with metal decorative patterns, it can not.3 、 special plastic for non microwave oven and special plastic film for non microwave oven.4, all containers that do not indicate microwave heating are not recommended.s
Is the color of cement packing bags related to cement?
- The color of cement packing bags is related to cement.Portland cement and ordinary portland cement red,Portland cement;s
Why is the higher the elevation, the more food bags inflate? From a physical point of view
- The higher the altitude, the less the atmosphere, the smaller the pressure, and the pressure in the food package is a fixed value. The reason for the swelling of food packaging bags is that the pressure inside the food bags is greater than the external pressure!s
How do you determine the 210mm*300mm package and determine its version and length?
- Length 21 cm, width 30, vertical roll length suggest up to cooperate with compound printing equipments
What's the packing of the air in the food package?
- For example, our common bag of potato chips, which is mostly nitrogen N2, a gas filling packaging is fat, on the one hand is the replacement of the original air bag and prolong the shelf life; on the one hand, there is a large amount of gas support chips during transportation and storage, can also be to reduce the impact of fragmentation. You certainly don't want to buy potato chips all over it.s
How are food bags made out?
- The layout of printing: in food packaging printing machine is prepared with coated, and then printing according to the first layer material food company confirmed, as a food packaging bag is usually composed of three layers compounded. Printing requires printing only one layer of the surface. Printed with design renderings have no difference. Dongguan Yu packing is a nine color full automatic computer controlled printing press. The printing effect is comparable to that of the poster.s
What are the common materials of tea packing bags?
- PE bag (plastic bag)Polyethylene bags, or PE bags, are widely used packaging materials at present. There are two kinds of low density PE bags and high-density PE bags. The low density PE bags are breathable and breathable, while the high-density PE bags are smaller.The advantages of PE bag are economical, cheap and damp proof. Its disadvantages are light transmission and poor air resistance. It can not be used in tea packaging individually. The best can add a layer of light resistance and low permeability of the outside packaging using polyethylene bags, such as synthetic paper cans, cans and other PE bag permeability is bigger, also difficult to solve the problem of oxygen in the packaging bag, and is not the ideal packaging material.s
Characteristics and application range of pressure sensitive tape
- The pressure sensitive tape is a special type of adhesive tape, which is made of a special adhesive (PSA) coated on a ribbon substrate. It is composed of pressure sensitive adhesiv...
What is the best thickness of aluminum foil
- Thickness of aluminum foil is strong, its conductive properties are good, it can easily wound up online material, it can be according to customer requirements to cut into various s...
What are the characteristics and use of self adhesive tape
- Sself adhesive tape is felt for the child group，after dipping high-quality 100 # asphalt saturated and made up.There have been 150 years of history in North America, and has been...
How to removedouble double sided tape for clothes
- How to remove double sided tape for clothes ？About this problem every girl has encountered, although the new clothes are very beautiful, but in order to avoid the embarrassment o...
What is the use of colored masking tape
- All kinds of hand can let us enjoy the slow life, love the manual DIY is a kind of good habits of the people. No matter how busy we are, don't forget to leave some time for you...