# Carbon black and Styrene-butadiene rubber

Their prices have moved together.

Source page: https://www.materialinsights.org/links/carbon-black-and-styrene-butadiene-rubber/

[Carbon black](https://www.materialinsights.org/chemicals/carbon_black/) (chemical) and [Styrene-butadiene rubber](https://www.materialinsights.org/chemicals/sbr/) (chemical): 1 relationship.

## How they are linked

### 1. Price link: co-input in tyres

*Cost and price · Strong · Both ways*

Synthetic rubber and carbon black are mixed in tyres, and both are oil-based and priced on contracts. The SBR index correlates at 0.33 for monthly moves and 0.62 for yearly moves.

- **0.33** monthly change correlation
- **0.62** 12-month change correlation
- **1.61** fitted elasticity

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