Loading Port:Tianjin
Payment Terms:TT OR LC
Min Order Qty:100 m.t.
Supply Capability:4000 m.t./month
We manufactures and sales Electrolytic Tinplate (ETP) and provides the lithography service for its domestic and international clients, guaranteeing quality, timely deliveries and offering technical assistance with the purpose of providing our clients added value with our products. We provide technical assistance and contribute in special projects made with our indirect clients to develop the market of our direct clients.
Tinplate (TP) is a heterogeneous material of stratified structure known like electrolytic tinplate (TP), whose base is made by a sheet of sweet steel of low carbon, covered by both faces by a cap of tin, which is used to manufacture tin cans and tin can parts, which must comply certain properties according to the product to be canned, the process of production and the final destination of the canned product.
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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