Chemical resistance: it depends on the type of plastic and the medium, Pressure range: low vacuum up to 6 bar (6 bar assured up to a temperature of 20C), Pressure and heat resistance: high expansion, Advantages: no eddy currents, strong.
Standard stainless steel canisterMaterial: Hastelloy (1.45712.4610)Chemical resistance: goodPressure range: vacuum up to 25 bar (as a special solution possible up to 300 bar)Temperature range: -190C up to +350CPressure and heat resistance: average resistanceAdvantages: customized solutions very easy to realize, very solid, different materials