<SEC-DOCUMENT>0000024240-19-000034-index.html : 20190326
<SEC-HEADER>0000024240-19-000034.hdr.sgml : 20190326
<ACCEPTANCE-DATETIME>20190326162326
ACCESSION NUMBER:		0000024240-19-000034
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20190516
FILED AS OF DATE:		20190326
DATE AS OF CHANGE:		20190326
EFFECTIVENESS DATE:		20190326

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NL INDUSTRIES INC
		CENTRAL INDEX KEY:			0000072162
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INORGANIC CHEMICALS [2810]
		IRS NUMBER:				135267260
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-00640
		FILM NUMBER:		19705572

	BUSINESS ADDRESS:	
		STREET 1:		5430 LBJ FREEWAY
		STREET 2:		SUITE 1700
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240-2697
		BUSINESS PHONE:		972-233-1700

	MAIL ADDRESS:	
		STREET 1:		5430 LBJ FREEWAY
		STREET 2:		SUITE 1700
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240-2697

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NATIONAL LEAD CO
		DATE OF NAME CHANGE:	19710520
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>nldefa1903.htm
<DESCRIPTION>NL INDUSTRIES, INC. SCHEDULE 14A
<TEXT>
Document 1 - file: nldefa1903.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>image2.jpg
<TEXT>
Document 2 - file: image2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>image4.jpg
<TEXT>
Document 3 - file: image4.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>image5.jpg
<TEXT>
Document 4 - file: image5.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>image00006.jpg
<TEXT>
Document 5 - file: image00006.jpg

</DOCUMENT>
</SEC-DOCUMENT>