-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Wqn4+V9gK/wVXL3yOJwYF+azDUMu7UwqoCE4qiOjMrGW6Fc3ozeBFLK4ooxhlv3+
 3vNj2fPicKdwGppUt53vzg==

<SEC-DOCUMENT>0001208889-10-000005.txt : 20100713
<SEC-HEADER>0001208889-10-000005.hdr.sgml : 20100713
<ACCEPTANCE-DATETIME>20100713155534
ACCESSION NUMBER:		0001208889-10-000005
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100709
FILED AS OF DATE:		20100713
DATE AS OF CHANGE:		20100713

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SL INDUSTRIES INC
		CENTRAL INDEX KEY:			0000089270
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COMPONENTS, NEC [3679]
		IRS NUMBER:				210682685
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		520 FELLOWSHIP ROAD
		STREET 2:		SUITE A114
		CITY:			MT LAUREL
		STATE:			NJ
		ZIP:			08054
		BUSINESS PHONE:		8567271500

	MAIL ADDRESS:	
		STREET 1:		520 FELLOWSHIP ROAD
		STREET 2:		SUITE A114
		CITY:			MT LAUREL
		STATE:			NJ
		ZIP:			08054

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SGL INDUSTRIES INC
		DATE OF NAME CHANGE:	19841008

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GL INDUSTRIES INC
		DATE OF NAME CHANGE:	19710111

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GL ELECTRONICS CO INC
		DATE OF NAME CHANGE:	19670928

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SCHWARZ MARK E
		CENTRAL INDEX KEY:			0001208889

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-04987
		FILM NUMBER:		10950400

	MAIL ADDRESS:	
		STREET 1:		200 CRESCENT COURT
		STREET 2:		STE 1400
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-07-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000089270</issuerCik>
        <issuerName>SL INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>SLI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001208889</rptOwnerCik>
            <rptOwnerName>SCHWARZ MARK E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>200 CRESCENT COURT</rptOwnerStreet1>
            <rptOwnerStreet2>STE 1400</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75201</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-07-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>7566</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>209490</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>see footnotes</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-07-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F3"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1560</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1560</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-07-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F4"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1560</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>209490</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F5"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>see footnotes</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Transaction constitutes a distribution of shares by NP in satisfaction of redemption requests as of June 30, 2010.   Amount indicated (7,566) reflects shares distributed to limited partners other than Mark Schwarz as described in footnote 3.</footnote>
        <footnote id="F2">The Reporting Person is a director of the Issuer. Newcastle Capital Management, LP is the general partner of Newcastle Partners, LP. and Newcastle Focus Fund II, L.P. Newcastle Capital Group, LLC is the general partner of Newcastle Capital Management, LP. The Reporting Person is the managing member of Newcastle Capital Group, LLC. Accordingly, the Reporting Person may be deemed to beneficially own the shares of the Issuer's Common Stock directly owned by Newcastle Partners, L.P. and Newcastle Focus Fund II, L.P. The Reporting Person disclaims beneficial ownership of the shares of the Issuer's Common stock owned by Newcastle Partners, L.P. and Newcastle Focus Fund II, L.P. except to the extent of his pecuniary interest therein.</footnote>
        <footnote id="F3">Transaction constitutes a distribution by Newcastle Partners, L.P. to Mark Schwarz in satisfaction of a partial redemption as of June 30, 2010.</footnote>
        <footnote id="F4">Transaction constitutes a contribution of shares by Mark Schwarz to Newcastle Focus Fund II, L.P..</footnote>
        <footnote id="F5">Includes, as of 07/13/2010 after giving effect to the transactions reported herein, (1) 181,807 shares of the Issuer's Common Stock owned by Newcastle Partners, L.P., (2) 1,560 shares of the Issuer's Common Stock owned by Newcastle Focus Fund II, L.P. and (3) 26,123 vested options exercisable into shares of the Issuer's Common Stock owned by the Reporting Person.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Mark E. Schwarz</signatureName>
        <signatureDate>2010-07-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----