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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 SmV40ifi/j4lutzA/y8SS8salxqEtI2IX0XgCfltiqChDirUf7QbxwiIYqnZtfqa
 DmTU1fasoEQoar3i1lkaoQ==

<SEC-DOCUMENT>0001179110-03-002486.txt : 20030627
<SEC-HEADER>0001179110-03-002486.hdr.sgml : 20030627
<ACCEPTANCE-DATETIME>20030627155523
ACCESSION NUMBER:		0001179110-03-002486
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030627
FILED AS OF DATE:		20030627

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEALED AIR CORP/DE
		CENTRAL INDEX KEY:			0001012100
		STANDARD INDUSTRIAL CLASSIFICATION:	CONVERTED PAPER & PAPERBOARD PRODS (NO CONTAINERS/BOXES) [2670]
		IRS NUMBER:				650654331
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		PARK 80 EAST
		CITY:			SADDLE BROOK
		STATE:			NJ
		ZIP:			07663-5291
		BUSINESS PHONE:		2017917600

	MAIL ADDRESS:	
		STREET 1:		PARK 80 EAST
		CITY:			SADDLE BROOK
		STATE:			NJ
		ZIP:			07663-5291

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WR GRACE & CO/DE
		DATE OF NAME CHANGE:	19961015

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GRACE HOLDING INC
		DATE OF NAME CHANGE:	19960805

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DUNPHY T J DERMOT
		CENTRAL INDEX KEY:			0001195833

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12139
		FILM NUMBER:		03761376

	BUSINESS ADDRESS:	
		STREET 1:		C/O KILDARE ENTERPRISES LLC
		STREET 2:		34 CHURCH ST
		CITY:			LIBERTY CORNER
		STATE:			NJ
		ZIP:			07938
		BUSINESS PHONE:		9085809760

	MAIL ADDRESS:	
		STREET 1:		C/O KILDARE ENTERPRISES LLC
		STREET 2:		34 CHURCH ST
		CITY:			LIBERTY CORNER
		STATE:			NJ
		ZIP:			07938
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -2003-06-27
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0101</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-06-27</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0001012100</issuerCik><issuerName>SEALED AIR CORP/DE</issuerName>        <issuerTradingSymbol>SEE</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001195833</rptOwnerCik><rptOwnerName>DUNPHY T J DERMOT</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>  </rptOwnerStreet1><rptOwnerStreet2>  </rptOwnerStreet2><rptOwnerCity>  </rptOwnerCity><rptOwnerState>  </rptOwnerState><rptOwnerZipCode>  </rptOwnerZipCode></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle></officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><nonDerivativeSecurity><securityTitle><value>Common Stock</value></securityTitle>
<transactionDate><value>2003-06-27</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>681</value></transactionShares><transactionValue><value>.10</value><footnoteId id="F1"/></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>529254</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeSecurity><nonDerivativeSecurity><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>1988-08-08</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transaction
Code>J</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>0</value></transactionShares><transactionValue><value>0</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>31000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>By Self as Custodian for family member</value></natureOfOwnership></ownershipNature></nonDerivativeSecurity><nonDerivativeSecurity><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>1988-08-08</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>J</transactionCode><equitySwapInvolved>0</equitySwapInvolved></t
ransactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>0</value></transactionShares><transactionValue><value>0</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>68410</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>By Profit-Sharing Plan</value></natureOfOwnership></ownershipNature></nonDerivativeSecurity><derivativeSecurity><securityTitle><value>Award of Common Stock (Right to Buy)</value></securityTitle><conversionOrExercisePrice><value>.10</value></conversionOrExercisePrice><transactionDate><value>2003-06-27</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>false</equitySwa
pInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>681</value></transactionShares><transactionValue><value>0</value><footnoteId id="F1"/></transactionValue><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2003-05-16</value></exerciseDate><expirationDate><value>2003-06-30</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>681</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>0</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeSecurity><derivativeSecurity><securityTitle><value>Series A Convertible Preferred Stock</value></securityTitle><conversionOr
ExercisePrice><value>0</value></conversionOrExercisePrice><transactionDate><value>1988-08-08</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>J</transactionCode><equitySwapInvolved>false</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>0</value></transactionShares><transactionValue><value>0</value></transactionValue><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2003-06-27</value></exerciseDate><expirationDate><value>1988-08-08</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>3540</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>4000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownersh
ipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeSecurity><footnotes><footnote id="F1">Award made under the Sealed Air Corporation 2002 Stock Plan for Non-Employee Directors.</footnote></footnotes><ownerSignature><signatureName>T. J. Dermot Dunphy</signatureName><signatureDate>2003-06-27</signatureDate></ownerSignature></ownershipDocument>

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