-----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,
 TisjfQpnmcf2AWXEW83mf8styQdB5J/cb8t4qeLHq5JPHPeO+f3P3UOukKalg+VL
 RAT3UQN6gec471mfYJMigg==

<SEC-DOCUMENT>0000755003-06-000007.txt : 20060426
<SEC-HEADER>0000755003-06-000007.hdr.sgml : 20060426
<ACCEPTANCE-DATETIME>20060426165513
ACCESSION NUMBER:		0000755003-06-000007
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060420
FILED AS OF DATE:		20060426
DATE AS OF CHANGE:		20060426

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:			Williams Kevin Ray
		CENTRAL INDEX KEY:			0001360574

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08803
		FILM NUMBER:		06781688

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		312-519-1840

	MAIL ADDRESS:	
		STREET 1:		2420 WEST CORTEZ
		STREET 2:		UNIT 3
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60622
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2006-04-20</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001360574</rptOwnerCik>
            <rptOwnerName>Williams Kevin Ray</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2420 W. CORTEZ</rptOwnerStreet1>
            <rptOwnerStreet2>UNIT #3</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60622</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP-OPERATIONS</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>KEVIN RAY WILLIAMS</signatureName>
        <signatureDate>2006-04-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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