What material is the tea vacuum bag?

What material is the tea vacuum bag?

Time:2020-12-18

Vacuum bags, also known as personal moisture-proof bags, aluminum foil bags, aluminum-plastic composite bags, are generally made of PET/AL/CPE or PET/NY/AL/CPE. Among them, PET——good printing effect, NY——low oxygen permeability , AL——Strong barrier, opaque, CPE——Packing inner layer.

PET tea vacuum bag
That is, packaging bags made of polyethylene terephthalate as a material are the most important variety in thermoplastic polyester. The English name is Polythylene terephthalate, abbreviated as PET or PETP, commonly known as polyester resin. It is a condensation polymer of terephthalic acid and ethylene glycol. Together with PBT, it is collectively referred to as thermoplastic polyester, or saturated polyester.

AL tea vacuum bag
Aluminum-plastic bag is a packaging product that integrates various packaging advantages. It has low cost and beautiful printing. The product has: anti-static, anti-ultraviolet, moisture-proof, oxygen-proof and shading, cold-resistant, oil-resistant, high-temperature, fresh-keeping, oxygen-proof and easy to seal. Strong and other characteristics.

CPE tea vacuum bag
Commonly used food packaging plastic bags are mostly made of polyethylene film, which is non-toxic and can be used to hold food. There is another kind of film made of polyvinyl chloride, which is also non-toxic, but the additives added according to the purpose of the film are often harmful to the human body and have certain toxicity. Therefore, this kind of film and plastic bags made of the film are not suitable for holding food. It can also stick things for easy operation.

NY tea vacuum bag
NY particle packaging bags are specially used to package plastic NY particles. They are used more in the chemical industry and are rarely seen in our daily lives.

Composite tea vacuum bag
It is a vacuum bag produced by uniformly mixing the two or three materials mentioned above into raw materials according to a certain ratio. Such bags have stronger physical properties and longer service life. The mixing method is to improve the quality of the packaging bags. One of the good ways.

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