<SEC-DOCUMENT>0001564590-20-015141-index.html : 20200403
<SEC-HEADER>0001564590-20-015141.hdr.sgml : 20200403
<ACCEPTANCE-DATETIME>20200403092303
ACCESSION NUMBER:		0001564590-20-015141
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20200515
FILED AS OF DATE:		20200403
DATE AS OF CHANGE:		20200403
EFFECTIVENESS DATE:		20200403

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:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32260
		FILM NUMBER:		20771929

	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>DEF 14A
<SEQUENCE>1
<FILENAME>wlk-def14a_20200515.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: wlk-def14a_20200515.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g3s40rtgxasc000002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g3s40rtgxasc000002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g3s40rtgxasc000004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g3s40rtgxasc000004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g3s40rtgxasc000003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g3s40rtgxasc000003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g3s40rtgxasc000001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g3s40rtgxasc000001.jpg

</DOCUMENT>
</SEC-DOCUMENT>