Component
Sacrificial anode
An aluminum rod that corrodes instead of the steel water-heater tank.
Criticality
Medium
Unit cost
$8
Quality
55 / 100
US completeness
40.0
Made in US
4,000,000 units
Current demand
10,000,000 units
US exports
320,000 units
Opportunity score
58.0
Domestic vs international supply
Planned US investment, next 5 years
$40M
Expected extra output: 1,500,000 units per year