<SEC-DOCUMENT>0001193125-17-342725-index.html : 20171114
<SEC-HEADER>0001193125-17-342725.hdr.sgml : 20171114
<ACCEPTANCE-DATETIME>20171114171318
ACCESSION NUMBER:		0001193125-17-342725
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20171114
DATE AS OF CHANGE:		20171114

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WESTLAKE CHEMICAL CORP
		CENTRAL INDEX KEY:			0001262823
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL ORGANIC CHEMICALS [2860]
		IRS NUMBER:				760346924
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-213548
		FILM NUMBER:		171202895

	BUSINESS ADDRESS:	
		STREET 1:		2801 POST OAK BLVD
		STREET 2:		SUITE 600
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056
		BUSINESS PHONE:		713-960-9111

	MAIL ADDRESS:	
		STREET 1:		2801 POST OAK BLVD
		STREET 2:		SUITE 600
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B5
<SEQUENCE>1
<FILENAME>d431487d424b5.htm
<DESCRIPTION>424B5
<TEXT>
Document 1 - file: d431487d424b5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g431487g03i23.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g431487g03i23.jpg

</DOCUMENT>
</SEC-DOCUMENT>