# Nitric acid and Nylon (PA6, PA66)

Their prices have moved together.

Source page: https://www.materialinsights.org/links/nitric-acid-and-nylon-pa6-pa66/

[Nitric acid](https://www.materialinsights.org/chemicals/nitric_acid/) (chemical) and [Nylon (PA6, PA66)](https://www.materialinsights.org/chemicals/nylon/) (chemical): 1 relationship.

## How they are linked

### 1. Price link: derived product

*Cost and price · Moderate · Both ways*

Nitric acid is used to make adipic acid, a building block of nylon 66. The nylon proxy is a broad US plastics index, which correlates at 0.25 for monthly moves and 0.57 for yearly moves.

- **0.25** monthly change correlation
- **0.57** 12-month change correlation
- **1.39** fitted elasticity

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