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Help CenterPrime Tinplate Coils 0.20-0.50mm, 2.8/5.6 G/m² Differential Coating, 600-900mm Width
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Shandong Sino New Material Co., Ltd., a trusted manufacturer established in 2018, proudly presents our Prime Tinplate Coils in thicknesses from 0.20 mm to 0.50 mm, featuring a specialized 2.8/5.6 g/m² differential coating. With an annual export value exceeding US$2.5 million and a factory area spanning 10,000–30,000 square meters, we deliver high-quality packaging materials to markets across North America, Europe, Southeast Asia, and beyond. Our ISO9000-certified production line ensures consistent performance and reliable supply for your demanding applications.
These tinplate coils are engineered for the food canning industry, chemical packaging, and decorative containers where corrosion resistance and solderability are critical. The unique differential coating provides optimized protection: one side (2.8 g/m²) offers excellent lacquer adhesion, while the other side (5.6 g/m²) maximizes corrosion resistance, reducing cost without compromising safety.
Key Specifications
| Parameter | Available Range |
|---|---|
| Thickness | 0.20 – 0.50 mm (± 0.01 mm tolerance) |
| Width | 600 – 900 mm (custom widths upon request) |
| Coating (differential) | 2.8 / 5.6 g/m² (side 1 / side 2) |
| Coil Inner Diameter | 508 mm or 610 mm (optional) |
| Temper | T2, T3, T4 (customizable) |
| Surface Finish | Bright or matte (optional) |
| Coil Weight | Up to 10 tons per coil |
Product Features & Benefits
- Precise thickness control – Automatic gauge control system ensures thickness tolerance within ±0.01 mm, guaranteeing uniform forming and ease of welding.
- Differential coating flexibility – The unbalanced tin layer reduces raw material cost by up to 15% compared to equal coating, while maintaining high corrosion resistance on the outside of the can.
- Excellent flatness – High-quality annealing process eliminates internal stress, resulting in coil shape that minimizes wrinkling during stamping.
- Wide width adjustability – Available from 600 mm to 900 mm, enabling efficient layout for different can diameters and reducing scrap.
- Reliable lacquer adhesion – The lower coating side (2.8 g/m²) provides an ideal surface for coating systems, eliminating pin-holing risks.
- Global logistics support – With offices overseas and shipping ports in Qingdao, Tianjin, and Shanghai, we ensure timely delivery to 30+ countries.
Applications
- Food cans (vegetables, fruits, seafood)
- Beverage cans & aerosol cans
- Caps and closures
- Chemical and paint containers
- Battery shells & electronic components
Quality Assurance
Our manufacturing process follows ISO9000 standards, with each coil tested for coating weight, thickness, pinhole density, and temper. Random samples undergo solderability and corrosion tests in our in-house laboratory. We also comply with international food-contact regulations, providing certificates upon request.
Frequently Asked Questions
-
Q: What is the difference between differential coating and equal coating?
A: Differential coating applies different tin weights on each side (e.g., 2.8/5.6 g/m²), while equal coating has the same weight on both sides. Differential coating saves material cost and is suitable when one side requires better adhesion and the other needs higher corrosion resistance. -
Q: Can I get custom widths outside 600-900mm?
A: Yes, we offer custom slitting to meet your specific width requirements, subject to a minimum order quantity. -
Q: What is the minimum order quantity (MOQ)?
A: Typically 1 x 20ft container (about 20-25 tons). For trial orders, we can accommodate smaller quantities upon negotiation. -
Q: Are these coils suitable for deep drawing?
A: Yes, with proper temper selection (T2 or T3), our tinplate coils exhibit good ductility for deep-drawn cans. We recommend T3 for complex shapes. -
Q: Do you provide third-party inspection?
A: Yes, we accept SGS, Bureau Veritas, or any other reputable inspection agency at the buyer's cost. Our standard quality report is provided free. -
Q: How do you package the coils for export?
A: Coils are wrapped with moisture-proof paper, steel strapping, and secured on pallets or in containers. Seaworthy packaging is standard. -
Q: What is your payment term?
A: Typically T/T (30% deposit, 70% against copy of B/L) or L/C at sight. Other terms negotiable. -
Q: Can you supply coils with oiled or dry surface?
A: We offer both options. Oiled surface is recommended for long-term storage, while dry surface is suitable for immediate processing.
Backed by a professional team of over 100 employees and overseas offices, Shandong Sino New Material Co., Ltd. commits to reliable supply and responsive technical support. Whether you need small trial batches or regular container loads, we deliver consistent quality from our ISO9000-registered factory. Contact us today to discuss your packaging material requirements – our engineers are ready to provide sample coupons and competitive quotations.
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