Q:What's the difference between plastic packaging bags and clothing bags?

Clothing bags and plastic bags are just a general term for packaged products. Bags can also be made in various forms, so the machines are different,

Q:Should the food packaging bags be labeled with QS markers?

Hello, you me to answer the question: is not needed, packaging bag manufacturers is the right to own QS logo printing to the packaging bag on your package, the most is according to your request will be posted to the QS carton outside (i.e. certificate below). Your bag can only be printed with your QS logo, or not printed.

Q:What are the requirements of the mark on the cement packing bag?

Cement gradeCement is divided into strength grade: 1, Portland cement strength grade is divided into 42.5, 42.5R, 52.5, 52.5R, 62.5, 62.5R six levels. 2, ordinary portland cement strength grade is divided into 42.5, 42.5R, 52.5, 52.5R four grades.3. The strength grades of slag Portland cement, volcanic ash Portland cement, fly ash Portland cement and composite Portland cement are divided into 32.5 grades: six, 32.5R, 42.5, 42.5R, 52.5 and 52.5R.

Q:Why are some teas not vacuum packed?

Feng Xing packaging machinery factory experts explained that the main role of vacuum packaging machine is oxygen, moisture, high temperature fermentation, etc., in order to prevent the deterioration of tea. The principle is relatively simple, which is conducive to vacuum packaging machine to remove the air in the packaging bag, and then sealed, so that tea in a vacuum under the state, and absolutely isolated from the outside world.

Q:What are the requirements of the gas in the package?

Some of the most common baked foods, moon cakes, fried foods, potato chips, which are filled with nitrogen, are required to be food grade, high purity, minimum requirement is no harmful gas impurities!

Q:The difference between a vacuum and a vacuum in a food package

And packaging techniques like inflatable bags are called inflatable.

Q:What does "TM" mean in a food package?

Its role is to tell people that it is marked by the graphics or text of the goods or services of trademark, not the name is not advertising. English and "R" is the abbreviation of "register", "register" Chinese means "registered", goods or services on the mark that is told people, it marked the graphics or text but not trademarks, and registered trademarks, protected by law, unauthorized, unauthorized use can not be any other individuals and organizations.

Q:Why a lot of the packaging bag surface is silver foil?

Because candies are also considering moisture side so many sweets are wrapped in wax paper (because the wax paper can prevent water entering)For example, chocolate is a special kind of candy, its melting point is 36 degrees, it is very easy to get the temperature melting in the hand, so the reason is tin tin foil, the hands of the temperature can be very good to pass out to prevent the chocolate melts quickly.

Q:How do you determine the 210mm*300mm package and determine its version and length?

Usually 1 meters, or 1 meters, 2 of the lengthWidth 300,3, leave 40 margin, roll on the design length of 940, version 420 weeks, diameter 133.75

Q:Can the meat with plastic packing bag be pressed directly with a pressure cooker?

The plastic composite film (bag) products used in food packaging have 8 national and trade standards, and the main standards are divided into physical and mechanical performance indexes and sanitary performance indexes. The indexes of physical and mechanical properties are mainly tensile strength (or tensile strength), elongation, peel strength, heat resistance strength, Charpy impact energy, water vapor permeation amount and the amount of oxygen through the bag, bag, pressure resistance, heat resistance and dielectric performance drop, oil resistance, cold resistance, heat resistance etc.;