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The following chart shows major supplier compound numbers of similar properties.

	Standard Gasket	Parker	Spec Seals	Wynn's Precision	National/ Hutchinson	Acushnet	Minnesota Rubber	Parco
Buna-N	BG7A1	N674-70	N100-70	7507	B46	H14327	366Y	4200-70
Silicone	GE7A1	S604-70	S500-70	11357	S59	L13402	71417C	1235-70
Viton (Black)	HK7A1	V747-75	V700-75	19357	V14	F13664	514AD	9009-75
Viton (Brown)	HK7A2	V884-75	V708-75	16207	V35	F13327	---	9005-75
EPDM	CA7A1	E603-70 E1028-70	E300-70	3077	E14	E17016	559N	5601-70
FDA Buna-N	BG7A2	N1069-70 N508-75	N168-70	7077	C22	H14100	275B	2068-B
Buna-N, 90 Duro	BG9A1	N552-90	N140-90	8309	C90	H144339	477B	4177-90 4058-90

The above cross references are not intended to imply strict equivalency, but, rather, general compatibility in application. While differences are generally insignificant, each of the above compounds are proprietary formulas bearing unique physical properties and performance qualities.



  
    
    
    
      
      
      
        
          
          
          
          
          
          
          
          

          
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        Metro 
        Industries, Inc.

    4018 E. 137th Terrace  
        Grandview, Missouri  64030 (USA)

        Centrally located in the Greater Kansas City area
        
        .

        
        © All materials 
        copyright  Metro Industries, Inc., 1967-2005      Last modified: 
    January 17, 2010
        
        
        
        For
        Large Orders, Custom Quotes, Company Info, 
        Technical Assistance:
        
          
          
          Email: 
          
          sales@metrogasket.com
          
          
          Phone: 800-545-8578/ 816-763-7277 x302
          
          
          Fax:
          
          816-763-0476 
          Attn: Sales
        
        
        
        For
        Existing Orders or Standard/Semi-Standard Product Inquiries 
        (O-Rings, Flange Gaskets, Rubber Washers, Sponge Stripping, Sheet 
        Rubber, etc.): 
        
          
          
          Email: 
          
          custserv@metrogasket.com 
          
          
          
          Phone: 800-545-8578 / 816-763-7277 x350 
          
          
          Fax: 816-763-0476 Attn: Customer Service

Metro Industries proudly operates under an ISO 9001:2008 Quality System (click to view certificate)

Try MI Rubber & Gasket for the best information on the web on Rubber Washers, Flange Gaskets, O-Rings, Plastic Washers/Shims, Sponge Weather Stripping, Rubber Grommets, Steel Rule Die Cutting, Rubber Gaskets, Rubber Extrusions, Sheet Rubber, Sponge Rubber, Molded Rubber, Air Diffuser Tubes/Sleeves, Roll Slitting, and more.