# PET resin and Polyester fibre

Their prices have moved together.

Source page: https://www.materialinsights.org/links/pet-resin-and-polyester-fibre/

[PET resin](https://www.materialinsights.org/chemicals/pet/) (chemical) and [Polyester fibre](https://www.materialinsights.org/chemicals/polyester_fibre/) (chemical): 1 relationship.

## How they are linked

### 1. Price link: sister product

*Cost and price · Moderate · Both ways*

PET resin and polyester fibre are the same polymer made on similar lines, and recycled bottles feed fibre plants. The fibre index moves with the resin proxy at 0.24 monthly and 0.42 yearly, as fibre follows textile cycles.

- **0.24** monthly change correlation
- **0.42** 12-month change correlation
- **0.54** fitted elasticity

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