Phthalate plasticizers :

Most vinyl products have plasticizers which radically recover their performance characteristic.

The most common plasticizers are derivatives of phthalic acid. Such a materials selected on their compatibility with the polymer, low volatility levels, and cost.

These materials are typically oily colorless substances that can be blend well with the PVC particles.

90% of the plasticizer market, expected to be millions of tons per year all around the worldwide, is dedicated to PVC