Of High Quality ETP sheets

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Electrolytic Tinplate undoubtedly enjoys the pride of place as a packaging medium especially for food. It owes its unique position to its "nine layer sandwich structure", each of which contributes to its eminence as a packing material. The steel base provides the necessary strength and formability for can fabrication. The tin-iron alloy layer provides the bond between the steel and free tin layer. The free tin layer is not only responsible for the attractive bright finish and ease of solderability but is also non-toxic- a factor of vital importance in food packaging!


Electrolytic TinPlate: Composition


E.T.P. consists of five layers each of which performs a different role:

1.
Steel Base: Provides stiffness to the material due to its thickness and mechanical strength. Its chemical composition imparts special properties to resist corrosion.

2.
Iron-Tin Alloy: This is made up by the inter-metallic compound Fe-Sn2. Due to its electrochemical characteristics, it acts as a barrier against corrosion. For effective action, its continuity is more important than its quantity.

3.
Metallic Tin: Tin has many advantages which have turned it into the most important element to protect steel used for cans; in many foods, it acts as a simple barrier against corrosion, improves weldability, it is an excellent base for lithographic printing and for applying lacquers. In tin-robbing foods, it acts as a sacrificial element.

4.
Passivation Film: According to its nature, it makes it possible to improve the E.T.P.’s resistance to sulphiding, oxidation and rust. It is also a conditioner to improve the adherence of varnishes, inks, lacquers etc.

5.
Oil Film: Protects the sheet from the humidity in the environment and makes easy to handle. It is applied using an electrostatic oiler on both sides of the sheet.



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Q:Tin cans in what way sterilization good ah
Meat and pepper 1KG or so is tinplate packaging, it is best to use water bath sterilization pot, water bath spinning the best.
Q:How to test the tightness of tin metal cans?
A careful observation of empty tank tank bottom edge and welding seam has no air bubbles, where the same parts of continuous bubbles, should be judged as leakage, leakage of the recording time and vacuum degree, and make a mark in the leak site.
Q:Both tinplate and stainless steel have corrosion protection
Stainless steel is added in the iron, Cr, Ni and other corrosion-resistant materials, is fundamentally changed the anti-corrosion properties of materials.
Q:Who can tell me how to adjust the roller seal defects?
The sealing process of hxa tank by double seam operation completed. Double seam method refers to two different groove shape of seaming rolls, through two feed motion sequence, the tank body and the tank cover with lid, crochet and cans, flanging hook tightly, so as to achieve the purpose of sealing method. Simply, that is the first edge hook, two edge compression molding.
Q:You can do is tin iron electromagnet
Tinplate is a tin covered with tin, it is not easy to rust, also known as tin iron.
Q:What is the use of tinplate printing tin, storage of food safety
Tinplate was first imported into China from abroad. It is a kind of iron with better quality and is made of extremely thin iron sheet
Q:What is the tin plated iron?
In the galvanic cell of the tin, iron is negative and oxidized because iron is more active than tin.Therefore, in the coating damage, corrosion resistance than tin tin.
Q:How do you clean the dust and trace oil on tin containers?
Solvent cleaning: This is the traditional way, from the middle of the Qing Dynasty period have been used, it is with a cleaning agent such as solvent, steam coal, white oil (to waterlogging, water purifier, hydrocarbon and so on).
Q:And what are the main packing materials?
The difference between the two cans is usually called a tin plate of three cans. The material is usually made of tin and hence its name. Canned container used for beverage, dry powder, chemical product, aerosol product.
Q:Tin can weldingHow can the side of the column of the pop top be welded or pressed?,
Mainly divided into the tank, the tank cover and the tank bottom three parts. The tank body is made of a piece of iron material through the curl bending machine, by using copper welder and welding. Now the mainstream of aerosol cans, food cans and beverage cans are produced by this method.

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