... adding alkali), are light,highly effective, energy saving, and of environmental protection, and they are ... to replace H2 cylinder.H2 is produced on demond.3. Technical Parameter:Type/ SpecificationQL ... 02-0.4 (output under stable pressure)Fluctuation Rate of Output Pressure (%)<0.2H2 Purity (%)>99.999Second ... protection. Such as: electronic industry, the control board need H2 for protection. H2 is ...