Q:Do vacuum packing bags have to be vacuum packed?

Vacuum packaging bags and vacuum packaging machines are related. Vacuum packaging machine not only can complete vacuum extraction, but also can complete heat sealing packaging in vacuum, and ensure vacuum in vacuum bag can meet the requirement.

Q:Dried fish vacuum packaging packing bag can not puncture

With dried fish, we recommend the use of aluminum foil bag, also can be vacuumized. It has the function of avoiding light and keeping fresh.

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

The cement packing bags shall clearly indicate the standards of implementation, cement varieties, codes, strength levels, producers' names, production licence marks (QS) and serial numbers, serial numbers, date of packing and net contents. Bags on both sides should be based on the varieties of cement with different color printing name and cement strength grade, Portland cement and ordinary portland cement Portland slag cement by using red, blue gray volcano; Portland cement and Portland fly-ash composite silicate cement by sleep and black or blue..

Q:What kind of material is the food packing bag in general?

Custom food vacuum packaging bag, I recommend to have food vacuum packaging bag manufacturers customized experience, 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 material should be used for transparent packing bags? How many cents do you want?

Generally Po (polyolefin) material, you can also use PE (polyethylene) material, PP (polypropylene) material, to see your specific needs

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

So, the difference is very clear, is the vacuum packaging bag of the air as much as possible out, but the inflation is the air in the bag is replaced by nitrogen or carbon dioxide and other inert gases, the purpose is as far as possible to reduce food and air contact oxidation process, slow food, avoid food rapid deterioration.

Q:Can aluminum packaging bags be recycled?

This separation technique is still under study, and no practical solutions are reported.

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:How big is the vacuum pack 28*40cm?

Now the standard of living has improved, basically the vacuum bag. This will improve the product's shelf life, preservation time is longer, more conducive to product sales.