Pp bag is a plastic bag, mainly made of polypropylene, the production process used mainly color printing and offset printing, pp bags are more bright colors, generally woven bags, belonging to the thermoplastic bags, with good stretch. pp bags belong to the environmentally friendly bags, non-toxic and tasteless and is more transparent, more widely used, this bag has a good toughness, and better quality. This bag has good toughness and better quality.
Pe bags are also a kind of plastic bags, but the material used in this plastic bag is polyethylene, we all know that polyethylene is the best material, this material is not only non-toxic and tasteless and feel very good, the most important thing is to meet the standards of food hygiene packaging. pe bags also have a good moisture, acid and alkali resistance and anti-oxidation properties, so it is more important, but also the use of more of a. Pe bags are used more More is a variety of food packaging, and some fiber packaging, our daily life products can also be used, has a good ductility, when using will not be easily broken.
First of all, the two use different materials, pp bags are used polypropylene, but pe bags are used polyethylene.
Secondly, pe bags are no taste, no poison, feel like wax, has a good low-temperature performance, the minimum temperature can reach minus one hundred degrees, and chemically stable, encountering strong acids and alkalis will not change, in the normal temperature in the general solvent will not melt, and water absorption is relatively small, also has a good electrical insulation, but the aging resistance is not good. The Pp bag has good mechanical properties.
Pp bags have very good mechanical properties, good toughness, impact resistance is also better, in strong acids and alkalis and organic solvents will not change.
The third difference lies in the use of the range is not the same, pe bags are used more plastic bags and some plastic film, but pp bags are used more in some industries, for a variety of food and beverage, etc. to provide good packaging.
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