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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0000940131-04-000004.txt : 20040521
<SEC-HEADER>0000940131-04-000004.hdr.sgml : 20040521
<ACCEPTANCE-DATETIME>20040521095334
ACCESSION NUMBER:		0000940131-04-000004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040520
FILED AS OF DATE:		20040521

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MATERIAL SCIENCES CORP
		CENTRAL INDEX KEY:			0000755003
		STANDARD INDUSTRIAL CLASSIFICATION:	COATING, ENGRAVING & ALLIED SERVICES [3470]
		IRS NUMBER:				952673173
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0228

	BUSINESS ADDRESS:	
		STREET 1:		2300 E PRATT BLVD
		CITY:			ELK GROVE VILLAGE
		STATE:			IL
		ZIP:			60007
		BUSINESS PHONE:		8474398270

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ROACH JOHN D
		CENTRAL INDEX KEY:			0000940131
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08803
		FILM NUMBER:		04822828

	BUSINESS ADDRESS:	
		STREET 1:		PMI GROUP INC
		STREET 2:		601 MONTGOMERY ST
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94111
		BUSINESS PHONE:		8002881970

	MAIL ADDRESS:	
		STREET 1:		PMI GROUP INC
		STREET 2:		601 MONTGOMERY ST
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94111
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c0000940131d20040521f4f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-05-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000755003</issuerCik>
        <issuerName>MATERIAL SCIENCES CORP</issuerName>
        <issuerTradingSymbol>MSC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000940131</rptOwnerCik>
            <rptOwnerName>ROACH JOHN D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>STONEGATE INTERNATIONAL</rptOwnerStreet1>
            <rptOwnerStreet2>100 CRESCENT CT.,  7TH FLOOR</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>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>11.35</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-05-20</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>I</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3525</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.35</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2005-03-01</value>
            </exerciseDate>
            <expirationDate>
                <value>2014-03-01</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3525</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Mr. Roach forfeited the options due to the Boards decision to replace the 2001 Compensation Plan for Non-Employee Directors with another plan.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>JOHN D. ROACH</signatureName>
        <signatureDate>2004-05-21</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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