1.Material:Stainless steel/Ni/Ti/SMO 2.Thickness: 0.5 /0.6mm 3.Delivery ... laval M3 plate NBR/EPDM/VITON Gasket Stainless steel/ Ti/Ni/ SMO plates for Gasket plate heat exchanger ALFA ... D=H theta, X=L theta) D type X type*Ti, 316L, 304, Hastelloy, Nickel plate availble*Thickness: 0.5mm ... design, with observation holes for leakage.The fixed and seal functions are separate, even if there are some problems ...