... .Material: Made of NBR ,Silicone ,FKM ,EPDM ,PTFE etc 2.Type:TC ,TB,TA, ... ,VC,VB,VA,KC,KB,KA ,DC.etc. NBR Seal1.Material :Made of NBR ,Silicone ,FKM ,EPDM ,PTFE etc.2.Type:TC ... for quotation and production , we will reply you very soon . NBR Seal