Prime Electrolytic Tin Plate For Canning With Excellent Alkali And Rust Resistance
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Prime Electrolytic Tin Plate for Canning with Excellent Alkali and Rust Resistance Basic composition: A stampable thin steel plate is used as the substrate, and a thin
layer of metal tin is plated on its surface through electroplating
and other processes. The thickness is generally 0.1-0.4mm. It has a
multi-layer protective film, which is steel base layer, tin-iron
alloy layer, tin layer, oxide film from the inside to the outside.
Some are also coated with oil film on the surface. Principle of alkali resistance and rust resistance Alkali resistance: Tin itself has a certain chemical stability. It is not easy to
react chemically in an alkaline environment and can effectively
resist the erosion of alkaline substances. At the same time, the
oxide film and oil film on the surface of the tinplate can also
play a certain isolation role, further enhancing its alkali
resistance. Rust resistance: On the one hand, the tin layer isolates the steel substrate from
air, moisture and other media that may cause rust, playing a
physical protective role; on the other hand, from an
electrochemical point of view, in a general atmospheric
environment, the potential of tin is higher than that of iron. When
an electrolyte is present, a primary battery is formed, iron is
protected as the anode, and tin is the cathode. Tin is the first to
undergo oxidation reaction, thereby slowing down the rusting speed
of iron. Other characteristics: In addition to excellent alkali resistance and rust resistance, it
is also non-toxic and tasteless, will not pollute food and other
contents, and meets food safety standards; it has a certain
strength and hardness, good formability and easy welding, and is
easy to process into cans of various shapes; the surface is bright,
and it has strong adaptability to ambient temperature and can
maintain good performance under different temperature conditions. Application areas: Mainly used for packaging of food, beverages, etc., such as common
canned fruit, canned meat, beverage cans, etc., which can
effectively protect the contents from deterioration during the
shelf life and extend the shelf life of the product.
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Production Process PARTNER CERTIFICATE |
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Product Tags: Alkali Resistance Electrolytic Tin Plate Rust Resistance Electrolytic Tin Plate Canning Electrolytic Tin Plate |
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