HL-93 high temperature resistance potassium chloride zinc-plating softening agentPacking specifications:25kg/plastic drum or 200kg/plastic drum or 1 ton plastic drum
The technology used to produce a continuous flow of high purity N2 How Lab Gas Nitrogen Generators Work is pressure swing adsorption (PSA). This technology uses a combination of molecular sieves to selectively eliminate O2 and other contaminants in the am