Mineral oil based quenching oil is not a green quenchant because it produces hazardous substance during service and wasted oil is difficult to be degraded.
The synthesis of oxyethylene oxypropylene copolyethers used for quenchant was studied by using anionic ring opening polymerization, diol or triol as the starting agent and KOH as the catalyst.
Application of cooling control technology of PAG quenchant for mesh-belt heat treating line
free radical quenchant
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