Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by function]
6. adhesive
7. [adhesive by composition or origin]
8. inorganic adhesive

Additional parents:

1. top of the aat hierarchies
2. Materials Facet
3. Materials
4. materials
5. materials by composition
6. inorganic material
7. metal
8. metal by composition or origin
9. nonferrous metal
10. lead, lead isotopes, compounds, alloys
11. lead alloys

Narrower term/s

• hard solder
• soft solder[+]
  • fine solder

Anotations

Scope note:

Any of various types of alloy, commonly of lead and tin, used in soldering; the primary requirement is that it have a lower melting point than the metal surfaces to be joined.