Electrolytic Tinplate (ETP) for Metal Packaging

1.Structure of Electrolytic Tinplate (ETP) for Metal Packaging Description

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Electrolytic Tin Plate Coils and Sheets for Foods Metal Packaging,  is one thin steel sheet with a coating of tin applied by electrolytic deposition. Tinplate made by this process is essentially a sandwich in which the central core is strip steel. This core is cleaned in a pickling solution and then fed through tanks containing electrolyte, where tin is deposited on both sides. As the strip passes between high-frequency electric induction coils, it is heated so that the tin coating melts and flows to form a lustrous coat.

2.Main Features of the Electrolytic Tinplate (ETP) for Metal Packaging

Appearance &#; Electrolytic Tin Plate is characterized by its beautiful metallic luster. Products with various kinds of surface roughness are produced by selecting the surface finish of the substrate steel sheet.

Paintability and printability &#; Electrolytic Tin Plates have excellent paintability and printability. Printing is beautifully finished using various lacquers and inks.

Formability and strength &#; Electrolytic Tin Plates have got very good formability and strength. By selecting a proper temper grade, appropriate formability is obtained for different applications as well as the required strength after forming.

Corrosion resistance &#; Tinplate has got good corrosion resistance. By selecting a proper coating weight, appropriate corrosion resistance is obtained against container contents. Coated items should meet 24 hour 5 % salt spray requirement.

Solderability and weldability &#; Electrolytic Tin Plates can be joined both by soldering or welding. These properties of tinplate are used for making various types of cans.

Hygienic &#; Tin coating provides good and non toxic barrier properties to protect food products from impurities, bacteria, moisture, light and odours.

Safe &#; Tinplate being low weight and high strength makes food cans easy to ship and transport.

Eco friendly &#; Tinplate offers 100 % recyclability.

Tin is not good for low temperature applications since it changes structure and loses adhesion when exposed to temperatures below &#; 40 deg C.

3.Electrolytic Tinplate (ETP) for Metal Packaging Images

4.Electrolytic Tinplate (ETP) for Metal Packaging Specification

Standard

ISO -,         GB/T-,JIS G,ASTM A623, BS EN

Material

MR,SPCC

Thickness

0.15mm - 0.50mm

Width

600mm -mm

Temper

T1-T5

Annealing

BA & CA

Coil Inner         Diameter

508mm

Weight

6-10         tons/coil 1~1.7 tons/sheets   bundle

Passivation

311

Oil

DOS 

Surface

Finish,bright,stone,matte,silver

5.FAQ of Electrolytic Tinplate (ETP) for Metal Packaging

-How to place .an order or contact you ?

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- How is your quality ?

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In this field with serious quality control standard . Advanced equipment, We welcome your visit to our factory .

To identify if the tinplate is of good quality there are several factors and procedures that can be followed.

Visual Inspection: A visual observation must be carried out both inside and outside the tin containers, complementing it with a photographic record to detect possible defects or inconsistencies.

Quality Control at Reception: Upon receiving the tinplate, the labels must be checked and tests of the physical-chemical characteristics of the material must be carried out. This includes verification of dimensions, detection of surface defects and possible pores in the lamination.

Sample Analysis: Tin samples must be taken at the beginning and end of each coil to be analyzed in the laboratory, thus controlling its quality consistently.

Technical Specifications: The tinplate supplier must ensure that the tinplate specification is suitable for the stated end use. This includes aspects such as the level of passivation and the weight of the tin coating.

Standards Compliance: The tinplate manufacturer must have quality procedures to ensure that each order meets established standards, such as ASTM or ISO.

Corrosion Resistance Tests: Good quality tinplate should have high anti-corrosion properties, protected by tin and other passivation treatments.

Tin Coating Verification: The different types of tin coating must be identified, which are marked with parallel lines on one of the sides of the tinplate.

Surface Roughness: The surface roughness should be measured after chemically detinning the sample, and is done at right angles to the rolling direction.

Mechanical Characteristics: For certain uses, such as beverage containers, low-gauge, double-reduced tinplate may be specified to ensure adequate mechanical strength without extensive sterilization processes.