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Introduction of yogurt foil

No matter what food it is, it needs to be consumed within the shelf life. The storage of yogurt is very important. The silver paper on the yogurt cover is aluminum foil. It is sealed with aluminum foil, which is heat-insulated, moisture-proof, hygienic, and has a long storage time. Yogurt foil is mainly based on 8 series alloys, such as 8011. Yogurt is also a kind oflidding foil heat sealing foil dairy products with complex ingredients, which are easily affected by temperature, oxygen, light, microorganisms, mechanical effects, etc., resulting in discoloration, oxidation, damage, and deterioration of their products, thus shortening the shelf life.

Why does yogurt foil use aluminum foil?

Large enterprises now use aluminum foil to seal dairy products, which has the following advantages:

The airtightness of aluminum foil is better than that of pure plastic. When viewed under a magnifying glass, the plastic material actually has many small holes through which air and water can penetrate;

The aluminum foil composite film is strong;

The third is the sealing process. Yogurt generally uses heat sealing technology, the origin of the name lidding foilheat sealing foil. In principle, a piece of hot iron is used to iron the sealing film and the mouth of the bottle, so that the sealing film and the mouth of the bottle will stick together to achieve a sealing effect after being heated and melted. Aluminum foil has high temperature resistance and better sealing effect.

Alloy and specification

Typical alloy

8011

Material temper

O

Thickness (mm)

0.012-0.1

Width (mm)

180-1500

Strip length (mm)

C(according to customer requirements)

Strip inner diameter

Φ75,Φ150 (according to customer requirements)

Size tolerance

Alloy

Allowable thickness tolerance

Allowable width tolerance

8011

<0.03

±0.001

+1

>0.03

±0.002

Alloy properties

Alloy

Alloy temper

Tensile strength/Mpa (normal temperature)

Elongation after breaking/%

Water-brushing test

8011

O

100-120

8-10

A

Alloy composition

Composition

Si

Fe

Cu

Mn

Mg

Cr

Zn

Ti

Al

8011

0.5-0.9

0.6-1.0

0.1

0.2

0.05

0.05

0.1

0.08

remain

The development of yogurt foil

As people pay attention to food hygiene and safety, the quality and performance requirements of products that are in close contact with food are constantly improving, and they are also more concerned about their appearance. Yogurt packaging must not only have good barrier properties to ensure the quality of the product, but also ensure the convenience of consumers while improving the grade of yogurt products. Mingtai's 8011 lidding foilheat sealing foil has good surface quality, flat plate shape and small thickness tolerance. It is an ideal material for yogurt foil and lidding foilheat sealing foil.

When purchasing yogurt foil and heat sealing foil, users try to choose such manufacturers as possible:

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