-----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,
 AoO+OJ2drPfxm7VXAr1zxgnXtTKh9jPyDjSplmEQB35kKBGo0WeHsVkUdZHg8miy
 S9+k3WAGI+F5oQecHAAR+Q==

<SEC-DOCUMENT>0001181431-06-035043.txt : 20060605
<SEC-HEADER>0001181431-06-035043.hdr.sgml : 20060605
<ACCEPTANCE-DATETIME>20060605105109
ACCESSION NUMBER:		0001181431-06-035043
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060601
FILED AS OF DATE:		20060605
DATE AS OF CHANGE:		20060605

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ROCK ROBERT H
		CENTRAL INDEX KEY:			0001193199

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12019
		FILM NUMBER:		06885082

	MAIL ADDRESS:	
		STREET 1:		C/O ADVANTA CORP
		STREET 2:		WELSH & MCLEAN ROAD P O BOX 918
		CITY:			SPRING HOUSE
		STATE:			PA
		ZIP:			19477-0918

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			QUAKER CHEMICAL CORP
		CENTRAL INDEX KEY:			0000081362
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS PRODUCTS OF PETROLEUM &  COAL [2990]
		IRS NUMBER:				230993790
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE QUAKER PARK
		STREET 2:		901 HECTOR STREET
		CITY:			CONSHOHOCKEN
		STATE:			PA
		ZIP:			19428
		BUSINESS PHONE:		6108324000

	MAIL ADDRESS:	
		STREET 1:		ONE QUAKER PARK
		STREET 2:		901 HECTOR ST
		CITY:			CONSHOHOCKEN
		STATE:			PA
		ZIP:			19428
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd120439.xml
<DESCRIPTION>FORM 4 FOR ROBERT H. ROCK
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-06-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000081362</issuerCik>
        <issuerName>QUAKER CHEMICAL CORP</issuerName>
        <issuerTradingSymbol>KWR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001193199</rptOwnerCik>
            <rptOwnerName>ROCK ROBERT H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>QUAKER CHEMICAL CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>ONE QUAKER PARK, 901 HECTOR STREET</rptOwnerStreet2>
            <rptOwnerCity>CONSHOHOCKEN</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19428-0809</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>2006-06-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1055</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.06</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8514</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>Irene M. Kisleiko, Attorney-in-Fact for Robert H. Rock</signatureName>
        <signatureDate>2006-06-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----