Who makes Makrolon now?
Makrolon is sold by Covestro in the U.S., Canada and Latin America. Polymer: PC. Checked Nov 2, 2026.
The short answer
Owner now (Americas): Covestro (majority owned by XRG, ADNOC's investment arm)
Parent changed 2025
What changed, and when
Brand name unchanged. XRG signed an investment agreement with Covestro in Oct 2024 and closed the takeover on Dec 10, 2025.
Sources
Ownership history
- Bayer (sold in the US through Mobay) (1953)
- Miles Inc. (Bayer US unit, formerly Mobay) (1992)
- Bayer Corporation (1995)
- Bayer MaterialScience (2004)
- Covestro (2015)
- Covestro (majority owned by XRG, ADNOC's investment arm) (2025)
What to check on your Makrolon paperwork
- The brand name usually stays the same. Ask whether the legal entity on invoices, COAs and letters changed.
- Confirm your regulatory letters and UL file are still current.
- Check that your grade is still offered under the same code.
Company names you may see on older Makrolon paperwork
Bayer, Mobay, Mobay Chemical, Miles, Miles Inc., Bayer Corporation, Bayer Polymers, Bayer MaterialScience. If an old drawing, COA or UL file names one of these, it can still refer to Makrolon.
Current Makrolon data sheets
Covestro Makrolon brand page and grades. Show all opens the Covestro product finder filtered to Makrolon. Use the newest data sheet and COA from the current owner, not a copy saved years ago.
Makrolon grades on this site
Other brands from Covestro
Apec, Bayblend, Desmopan, Makroblend, Texin.
Buying Makrolon or an alternative
ResinBridge quotes Makrolon where we can source it, or a matched alternative with what differs, from one gaylord to a railcar. See our guide to Polycarbonate.
Questions
Who makes Makrolon now?
Covestro (majority owned by XRG, ADNOC's investment arm) sells Makrolon in the U.S., Canada and Latin America (checked Nov 2, 2026).
Did Makrolon change owners?
Status: Parent changed 2025. Brand name unchanged.
Where do I find current Makrolon data sheets?
On the owner's site: Covestro Makrolon brand page and grades. Use the newest data sheet and COA from the current owner.
From our resin brand ownership tracker, which covers 318 brands with a source for every row. Spot a change we missed? Tell us.
Need Makrolon or a matched alternative?
Send the Makrolon grade you run. A polymer chemist confirms it, quotes it where we can source it, or suggests a matched alternative with what differs.