... stagnation 1. MaterialPlate Material: 304,304L,321,316,316L,titanium(TA1-A),254SMO,nickel alloyGasket Material: NBR rubber, EPDM ... working environment with serious erosion of acid or basic medium304L316316LCommercial pure titanium 0.6~1.0TalAlkali or salt making, cryogenic freezing ... .000Cr18Ni14Mo2Cu2Place has organic solvent, chlorine ion and intercrystalline corrosion plate heat exchanger milk