chapter 80 Tin and articles thereof
Subheading Note.
1.- In this Chapter the following expressions have the meanings hereby assigned to them:
(a) Tin, not alloyed
Metal containing by weight at least 99 % of tin, provided that the content by weight of any bismuth or copper is less than the limit specified in the following table:
TABLE - Other elements
┌─────────────┬───────────────┐
│ Element │ Limiting content % by weight │
├─────────────┼───────────────┤
│ Bi Bismuth │ 0.1 │
│ Cu Copper │ 0.4 │
└─────────────┴───────────────┘
(b) Tin alloys
Metallic substances in which tin predominates by weight over each of the other elements, provided that:
(ⅰ) the total content by weight of such other elements exceeds 1 %; or
(ⅱ) the content by weight of either bismuth or copper is equal to or greater than the limit specified in the foregoing table.