Dear Sir/Madam, Standard or Nonstandard:Standard Style:Mechanical Seal Material:Rubber Name:Rubber flat gaskets/flat o ring EPDM,NR,NBR,PTFE,CR,Neoprone Material:NBR /EPDM/ NR/ NBR/ PTFE rubber and silicone gasket application:Use for flange,good airtightness .. Style:Smooth Flat Gasket OEM or ODM Service:Welcome Various colors:Black, brown, or others Transport:Air, Sea, Express mail, etc. Working Temperature:-40~ 120 Centigrade Process:Vulcanization Dear Sir/Madam, We are interested in your product Please kind find attached product specification and quote your best price CIF, Montreal Quebec Canada would like some more details We need this quote as soon as possible. I look forward to your reply. Best regards Denis Eden Show More