... another corrosive solution.Material:1)Heat transfer Tube: Pure titanium seamless tube,Thickness 0.55mm2)Shell: stainless steel 304 or 316L, Thickness 1.0mm ... leave the factory. Make sure the tube is strong and not leakage . 4)The shell is stainless steel 304 or 316L, So,it ... can used for high temperature solution,(stainless steel shell can stand 120 degree Celsiusthe , But the PVC shell ...