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Tinplate
Characteristics
| Product | Tinplate | Hi-Top | |||||
|---|---|---|---|---|---|---|---|
| Tin (Sn=2.8 g/m²) | LTS | Hi-Top | K-3 HT | WHT | WHT-2 | ||
| Weldability | RC value (mΩ) *1 | 0.1 to 0.3 | 0.1 to 0.3 | 100 to 200 | 30 to 70 | 0.1 to 0.3 | 0.1 to 0.3 |
| Assessment | Good | Good | Bad | Poor | Good | Good | |
| Rust proofing | Salt spray test *2 | Excellent | Good | Poor | Bad | Poor | Poor |
| Coating materials Adhesion |
Cup process adhesion test *3 | Poor | Good | Excellent | Excellent | Excellent | Excellent |
| T peel test *4 | Poor | Good | Excellent | Excellent | Excellent | Excellent | |
(Comments)
- RC value: Test materials heat processed for 20 minutes at 205 degree centigrade then contact electrical resistance is measured using our company's RC measuring instruments (RC value: Small → Weldability: Good)
- Salt spray test: 35 degree centigrade, 5% salt solution sprayed for 2 hours → visual inspection
- Cup process adhesion test: Lacquer coating → cup process → cup wall surface coated film strength peeled with tape → visual inspection
- T peel test: Lacquer coating → Cut to 5 mm width → 2 test material sheets thermally compressed via nylon film → Measure peeling stress
WeldabilityThe following diagram shows an example of the weldable current range using manufactured can seam welder.Good welding materials possess a wide weldable current range. |
