At what pressure the immersion suit is pressure tested as per SOLAS?

According to SOLAS, Testing and Evaluation of lifesaving appliances , part II, 2.2

Every immersion suit & anti-exposure suit should be tested with constant air pressure for a period ofatleast 15 mins & check for leaks using a leak detection fluid, the air pressure should be appropriate to the type of material used in manufacture of suit and should never be less than 0.02 bar.