This is for all customers in Asia-Pacific and the Middle East Africa region with immediate effect.
The company said all existing contracts and supply agreements will be honoured.
The company is active in more than 100 countries around the world and generated sales of US$15bn (€13.1bn) and an operating profit (adjusted EBITDA) of US$2.5bn (€2.15bn) in 2019.
Evonik goes far beyond chemistry to create innovative, profitable and sustainable solutions for customers. More than 32,000 employees work together for a common purpose: We want to improve life, today and tomorrow.