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, tin plated iron. Why can't we get white wine?
Should be caused by the unqualified corrosion resistance of the tinplate. The reasons are as follows:Tin plating on the surface of the tinplate has played a certain role in corrosion protection, tin surface will be six chromium passivation, further improve the corrosion resistance. However, the liquor contains a lot of water, and if the long-term contact with the iron (without coating tin), the surface of the tin layer will be corrosion, and then corrosion to iron.
Q:Why tinned fruit cans, some snow wall, and some inner wall does not appear?
Tin cans inside must use the high Xiliang (11.2 - 15.1), the inner wall of the conventional oxidation after a snowflake, which belongs to the benign chemical reaction, enhance the taste.
Q:How do you solve the water stains on the tinplate?
Keep in an ample shade of light for about a week, during which time the spray stops.
Q:You can do is tin iron electromagnet
This kind of galvanized steel in a long time Chinese called "tin", some people think that the tin plate cans was made from the Guangdong province of Macao (English Macao for tinplate imports, readable) so called "tin".
Q:Who knows the process of tinplate production?
The basic production process of tinplate: pickling cold rolling cut I skim -- > I I I I I of Kaiping tin flat temperingTropical pickling: hot rolled coils must be pickled before cold rolling to produce cold rolling
Q:Advantages and disadvantages of tinplate packaging
Because of these properties, so can provide a besides the heat, completely isolated from the closed system of environmental factors, avoid color food because of light, oxygen, moisture and deterioration, nor because of aroma through and become weak or affected by environmental pollution through the smell and taste, stability is better than that of other packaging materials of food storage. Vitamin C save the highest rate, nutrient retention is the best. International environmental management standards will be implemented soon based on ISO-14000, has the advantages of low pollution, tin recycling, resource characteristics, in the future packaging applications, will have a broader space for development.
Q:Can tinplate be used as a water tower? Is hot water durable?
Tinplate is commonly known as tin plated thin steel plate. It is a cold-rolled low carbon steel sheet or strip coated with pure tin on both sides. Tin plays a major role in preventing corrosion and rusting.
Q:And what are the main packing materials?
Currently on the market and it is mainly two kinds of packaging: PET plastic bottles and cans cans of Maguchi Tetsumi.Pet Chinese means: polybutylene terephthalate mainly consists of polyethylene terephthalate, two ester PET and polybutylene terephthalate Ding Erzhi PBT. Polyethylene terephthalate is also commonly known as polyester resin, commonly known as polyester resin. It is a condensation of terephthalic acid with ethylene glycol and is collectively referred to as thermoplastic polyester, or saturated polyester, with PBT.
Q:Is it necessary for the two cold rolling in the process of tinplate production, such as tempering and cold rolling (also called flatness)?
This is not the standard terms, generally refers to the 2 cold rolling coil after cold rolled hardness increased after heat treatment after recrystallization to obtain greater reduction.
Q:Is to buy canned tinplate or aluminum
Tinned food is usually made of tinplate, because the strength of tin is higher than that of aluminum cans, and the tin can not be deflatedAluminium is generally used in carbonated beveragesTin can be best served from the point of view of transport

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