Cafelat silicone gasket - I'm calling it - Page 3 ... I heard it explained regarding hydraulic break seals and gaskets - and compatibility between gasket material ... Online shopping from a great selection at Automotive Store. MACs Auto Parts 49-61421 Bulk Gasket Material - Cork and Rubber Composite - 10 x 26 Sheet - 1/8 Thick 93 results for exhaust gasket material Save exhaust gasket material to get e-mail alerts and updates on your eBay Feed. Unfollow exhaust gasket material to stop getting updates on your eBay Feed. Product description. Size:E61 8mm (Red) Premium Cafelat group gaskets are made from food grade FDA silicone. Unlike regular gaskets that are made from rubber, these do not have any smell or taste whatsoever, and are easy to change since they will not bake rock hard like rubber does.