Product Introduction
The MR electrolytic Tinplate Sheet represents a leading-edge packaging material engineered to meet the stringent demands of the modern metal packaging sector. Manufactured utilizing an advanced continuous electrolytic tinning process, this product features a uniform, high-density tin coating applied precisely over a cold-rolled low-carbon steel base (SPCC). This dual-structure engineering endows the Tinplate Sheet with a unique combination of structural integrity and exceptional surface protection.
The core attribute of our MR Tinplate Sheet is its high-efficiency barrier layer, which delivers excellent rust-proof and anti-corrosion protection. This barrier remains highly stable when subjected to structural deformation, making the material highly reliable under aggressive processing environments. It complies fully with international food-grade safety standards (including SGS and Mill Certifications), guaranteeing that no hazardous migration occurs during direct contact with consumable items. Combining reliable structural strength, excellent ductility, and an optimal surface for lithographic printing, this Tinplate Sheet serves as a dependable material for manufacturing high-integrity metal containers.
Application Scenarios
Our MR electrolytic Tinplate Sheet is engineered to perform across a diverse range of metal packaging operations, with primary deployment in high-speed commercial can-making lines:
Food Can Manufacturing: Ideally suited for three-piece cans, two-piece drawn containers, and deep-drawn sanitary cans. It is widely used to package high-shelf-life goods such as preserved fruits, processed vegetables, meat, fish, and tomato pastes.
Beverage Packaging: Provides the necessary structural rigidity and gas barrier properties required for carbonated drinks, juices, functional beverages, and tea drinks.
Dairy Packaging Containment: Formulated to meet the strict hygiene requirements necessary for manufacturing infant formula milk powder cans, condensed milk containers, and nutrition powder packaging.
Closures and Easy-Open Ends (EOEs): Excellent formability makes it the ideal substrate for pressing crown caps, twist-off lugs, jar lids, and modern easy-open scored tabs.
General Line Industrial Packaging: Extends beyond food applications to provide secure housing for chemical wipes, aerosol spray cans, lubricants, and domestic paint containers.
Product Technical Specifications
| Parameter Attribute | Technical Specification Standards & Values |
| Core Product Category | Prime Electrolytic Tinplate Sheet / Coil (SPTE) |
| Material Steel Grade | MR, SPCC |
| Compliance Standards | BS EN 10202, DIN EN 10203, GB/T2520, JIS G3303 |
| Thickness Range | 0.18mm – 0.45mm (Single Reduce / Double Reduce options up to 0.55mm) |
| Width Availability | 600mm – 1050mm (Coil slit options available up to 1200mm) |
| Length (Cut Sheets) | 500mm – 1168mm |
| Temper Designations | T2, T2.5, T3, T3.5, T4, T5, DR7, DR7M, DR8, DR9 |
| Tin Coating Mass | 2.8g/2.8g, 5.6g/5.6g, Differential Coatings (2.8/5.6, 2.0/2.0 gr/m²) |
| Surface Finish Profiles | Bright, Silver, Stone, Matte |
| Minimum Order Quantity | 25 Metric Tons (Standard Container Load) |
| Delivery Timeline | 15 – 30 Days post-payment verification |
Why Customers Choose Us
Global canning operations and packaging manufacturers partner with us due to our verifiable manufacturing metrics and operational reliability:
High-Efficiency Anti-Corrosion Engineering: Our advanced electrolytic coating lines ensure consistent distribution of the tin layer across every Tinplate Sheet. This precise deposition eliminates micro-pores, ensuring the material remains highly rust-proof throughout extended storage cycles and aggressive retorting processes.
Optimized Formability & Secondary Processing: Our material exhibits uniform mechanical characteristics across all temper ratings (from ductile T2 to high-tensile DR9). This uniformity prevents cracking, wrinkling, or tool wear during rapid stamping, body-shaping, and high-speed welding.
Superior Surface for High-Definition Printing: Whether ordering a Bright or Stone finish, our sheets undergo rigorous surface cleaning. This results in excellent lacquer adhesion and precise color registration for high-speed lithographic decoration.
Rigid Quality Inspection Standards: Every delivery batch is backed by SGS and comprehensive Mill Test Certificates. We implement strict thickness tolerances and flat-sheet control metrics to ensure smooth operation on automatic feeder lines.
Frequently Asked Questions (FAQ)
Q1: What makes the MR steel grade ideal for food can applications?
A: The MR (Metallurgical Residue) steel grade is specifically refined to possess low levels of residual trace elements. This chemical purity provides the Tinplate Sheet with superior corrosion resistance against mildly acidic food products, making it the global benchmark for food-safe metal packaging.
Q2: Can you supply differential tin coatings on the same Tinplate Sheet?
A: Yes. We can produce differential tin coatings (e.g., 2.8g/m² on one side and 5.6g/m² on the other). This allows manufacturers to use a heavier coating inside the can to resist corrosive food contents, while using a lighter coating on the outside to optimize cost efficiency.
Q3: How do you protect the Tinplate Sheet shipments from moisture during sea transit?
A: We utilize heavy-duty export packaging. Each stack of sheets is wrapped in anti-rust vapor barrier paper, enclosed with a protective iron guard chassis, and securely strapped to fumigated wooden pallets. This robust construction prevents moisture entry and rust formation during maritime transport.
Q4: What critical details are required to receive an accurate quotation?
A: To provide an immediate quote, please supply: Product name/grade, exact dimensions (thickness, width, and sheet length), coating mass configuration, temper designation, surface finish, rolling direction, total quantity, and your specific end-use application.
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