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Description
Electrolytic Tin Plate (ETP) is steel coated with tin by electrolytic deposition. Its superb solderability and corrosion resistance makes it ideal as a packaging material. The steel base (black plate) gives it the strength and formability necessary for can fabrication. The tin layer offers not only attractive shiny surface finish but is also non-toxic--an essential quality in food packaging.
Applications
Three-piece can bodies, D&I (Drawn and Ironed) two
-piece can bodies for beer and beverage, food cans, easy-open ends, canisters, crown caps, closures, aerosol-can bodies, containers for chemical products (oil, paint, etc.), automotive parts such as filters and gaskets, etc.
Description
Tin Free Steel (TFS) or Electrolytic Chromium Coated Steel (ECCS) is steel coated with chromium oxides and metallic chromium by electrolytic deposition. Compared with Tinplates (ETP), Tin Free Steel offers better economy, paint adhesion and heat resistance; but is less welderable than ETP. Tin Free Steel is not compatible with soldering. The chrome coating offers excellent corrosion resistance, printability, and attractive metallic finish.
Applications
Three-piece can bodies, Drawn and Redrawn (DRD) two-piece can bodies, food and beverage cans, containers, electrical equipment, home appliances, cables, etc.
Description
Double-Reduced tin mill products are given a second cold reduction after the annealing process. The result is steel of thinner gauge and greater structural strength compared with Single Reduced (SR) products.
Batch Anneal Furnace (BAF): A process by which a batch of steel is placed in a circular furnace to achieve the desired annealing results.
Continuous Anneal Line (CAL): A process by which the steel undergoes a continuous annealing line consisting of several furnace sections.
Double Cold-Reduced (DCR): A process by which the steel undergoes a second cold reduction after the annealing process. The result is steel of greater strength and thinner gauge compared with Single Reduced products.
Drawn & Ironed (DI) Cans: Two-piece can bodies manufactured by the process of drawing a circular disk through a die and then thinning it to final dimensions by pushing it through ironing rings. DI cans are widely used for inner pressure drinks such as beer and carbonated drinks due to their seamless bodies. Made with Tinplates or Aluminum.
Drawn & Redrawn (DRD) Cans: Two-piece cans manufactured by the process of drawing a circular disk through a die and then redrawing it through more dies to achieve desired dimensions. Made with Tin Free Steel or Aluminum.
Easy Open Ends (EOE): Tinplate and Aluminized Easy-Open-Ends are commonly used for packing retort/sterilized foods such as tuna, vegetables, fruits, juices, and dry products such as coffee powder, milk powder, etc. They are available in full opening and partial opening.
Two-Piece Cans: Two-piece cans consist of a top and a body where the bottom and the sides are a single unit. Two-piece can bodies require more advanced techniques to fabricate than three-piece can bodies, where the bottom and the sides are separately manufactured. The seamless two-piece cans are essential for packing inner pressure beverage, such as beer and carbonated drinks.