# Caustic soda and Other and primary batteries

Their prices have moved together.

Source page: https://www.materialinsights.org/links/caustic-soda-and-other-and-primary-batteries/

[Caustic soda](https://www.materialinsights.org/chemicals/caustic_soda/) (chemical) and [Other and primary batteries](https://www.materialinsights.org/energy/e_other_batt/) (energy): 1 relationship.

## How they are linked

### 1. Price link: electrolyte process

*Cost and price · Moderate · Both ways*

Alkaline cells use potassium hydroxide electrolyte made by chlor-alkali electrolysis, the same process as caustic soda. The alkalies proxy correlates at 0.22 for monthly moves and 0.52 for yearly moves, partly through shared US chemical inflation.

- **0.22** monthly change correlation
- **0.52** 12-month change correlation
- **0.45** fitted elasticity

Built from the site data on production routes, energy flows, industry value chains, input-output tables and prices.