Westlake's U.S.-based global customer service team is staffed with seasoned, experienced professionals. Many have more than 30 years of experience building long-term, one-on-one relationships with customers that result in rapid response to inquiries and proactive assessment of customer needs.

Available 24/7, Westlake can provide tailored levels of customer service—from handling simple account inquiries to managing the material requisition process.

Customer Service Contact Information

Westlake product Safety Data Sheets can be found by clicking here or by emailing Corporate Product Stewardship at MSDSInfo@axiall.com.


PVC and Chlor-Alkali Products

Tel:  +1-800-321-8550  


Chlorovinyls and Resins - Plaquemine and Aberdeen

Fax: +1 855-844-0651


Chlor-Alkali Products and Chlorinated Ethylenes - Pittsburgh

Tel:  +1-800-243-6774

Fax: +1 855-631-0441


Water Treatment Products - Pittsburgh

Tel:  +1-800-245-2974