What Are The Inspection Rules For Tin Ingots?
Jan 17, 2025
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What are the inspection rules for tin ingots?
Pure tin has a peculiar property: when tin rods and tin plates are bent, a special bursting sound like crying will be emitted. This sound is caused by the friction between crystals. When the crystal is deformed, such friction will be generated. Strangely, if a tin alloy is used instead, this crying sound will not be emitted when deformed. Therefore, people often use this characteristic of tin to identify whether a piece of metal is tin.
Product Parameters
| Item | Sn 99.90 | Sn 99.95 | Sn 99.99 |
| Sn %≥ | 99.9 | 99.95 | 99.99 |
| As %≤ | 0.008 | 0.003 | 0.0005 |
| Fe %≤ | 0.007 | 0.004 | 0.002 |
| Cu %≤ | 0.008 | 0.004 | 0.0005 |
| Pb %≤ | 0.032 | 0.02 | 0.0035 |
| Bi %≤ | 0.015 | 0.006 | 0.0025 |
| Sb %≤ | 0.02 | 0.014 | 0.0015 |
| Cd %≤ | 0.0008 | 0.0005 | 0.0003 |
| Zn %≤ | 0.001 | 0.0008 | 0.0003 |
| Al %≤ | 0.001 | 0.0008 | 0.0005 |
| S %≤ | 0.0005 | 0.0005 | 0.0003 |
| Ag %≤ | 0.005 | 0.0001 | 0.0001 |
| Ni+Co %≤ | 0.005 | 0.005 | 0.0006 |
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