30KG Plastic Laminated Kraft Paper Valve Bag For Cement

Inquire Now

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

1>Customized Design, Style, Size, Window, Thickness. etc.
2>Rotogravure Printing for a vivid color;

10/20/30KG Plastic Laminated Kraft Paper Valve Bag For Cement :

Q: 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.

Q: The package specifications are 9 multiplied by 14 plus 3. How big is it?: The height of the bag is 14CM, the width is 9CM, and the width of the side is 3CM. The bag type belongs to the organ bag!

Q: What is the material of detergent bag?: Polyethylene (polyethylene, referred to as PE) is a thermoplastic resin made by polymerization of ethylene. Industrially, it also includes copolymers of ethylene with a small amount of alpha olefins. Polyethylene is odorless, non-toxic, feel like wax, has excellent resistance to low temperature performance (minimum temperature up to -100~-70 degrees C), good chemical stability, erosion resistance to most acid-base (not resistant to oxidizing acid). At room temperature, insoluble in general solvents, low water absorption, good electrical insulation.

Q: 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.

Q: Printing process of packaging bag: If there is no peritoneal, press the printer faster;

Q: What is the difference between LDPE and PE-LD in a package?: LDPE is low density polyethylene, and PE-LD should be low density polyethylene. Because according to the PE classification, LDPE (low density polyethylene), MDPE (medium density polyethylene), HDPE (high density polyethylene), VLDPE (low density polyethylene), LLDPE (linear low density polyethylene (mPE), metallocene PE). See, "LD" means "low density".

Q: Why are some teas not vacuum packed?: Some tea leaves are not allowed to be packed in vacuum, such as crunchy and fragile tea leaves, easily caking tea leaves, easily deformed tea leaves, sharp edges and corners or higher hardness, and will puncture the tea bags and so on. For example, Yunnan tea, are generally made of tea or tea brick, covering the surface of a layer of paper for simple packaging.

Q: What does "13 silk" in vacuum packing bag mean?: Silk is a mechanical worker, commonly known as "0.01 millimeters", the workers who have inherited the technology of Shanghai say "silk", and in the north they say "0.01 millimeters" as "Dao".

Q: Printing solvent for food packing bag: Determine the amount of water in the solvent by means of the principle of a different dissolution effect. Take the most transparent glass cylinder tube with 100ml toluene solution, take a small amount of analyte ester solvent such as toluene, evenly pour. When you just pour in toluene, carefully observe whether there is turbidity (milk white) phenomenon. If there is this phenomenon, the water content of the solvent is seriously exceeded, and the experience shows that when the moisture content exceeds 0.5%, the phenomenon is obvious. The water content test of benzene solvent can be carried out by extracting solvent from the long glass tube to observe whether there is delamination.

Q: What can be easily removed from the words printed on plastic bags?: Plastic packaging is printed on the word if it is ordinary ink with thinner a wipe off, is not easy to erase the organic dye. Such dyes are colored substances. But a coloured substance is not necessarily a dye. What kind of dyes do you use on plastic bags?.

Send your message to us

*Email

*TEL

*Quantity

*Unit