# Carbon black and Sodium silicate

Their prices have moved together.

Source page: https://www.materialinsights.org/links/carbon-black-and-sodium-silicate/

[Carbon black](https://www.materialinsights.org/chemicals/carbon_black/) (chemical) and [Sodium silicate](https://www.materialinsights.org/chemicals/sodium_silicate/) (chemical): 1 relationship.

## How they are linked

### 1. Price link: competing filler

*Cost and price · Moderate · Both ways*

Precipitated silica, made from sodium silicate, replaces carbon black in fuel-saving tyres. The two indices correlate at 0.12 for monthly moves and 0.51 for yearly moves, a shared tyre and chemicals cycle.

- **0.12** monthly change correlation
- **0.51** 12-month change correlation
- **0.49** fitted elasticity

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