Application
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Especially designed for aluminium and ferrous quenching.
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Aluminium quenching: The solution heat treatment procedures for aluminium alloys, in either the cast, forged or wrought form, has traditionally incorporated a water quench.
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The use of Plurasafe® Quenchant can minimizes the residual stress, and therefore distortion levels, produced during the quenching phase of thermal treatment without sacrifice of mechanical or intergranular corrosion properties.
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Age-hardening of the components then proceed as for water quenched items irrespective of whether natural or artificial ageing procedures are used.
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Ferrous quenching: For ferrous treatment Plurasafe® Quenchant has been successfully used for the induction and flame hardening of components such as gears, shafts, steering racks and other items of variable geometry and steel composition.
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It has also found application during the quenching of a wide variety of component size / chemistry combinations from shaker, pit, integral quench, or continuous furnaces employing either oxidizing or protective atmospheres.
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The non-flammable polymeric quenchant is based on an aqueous solution of polyalkylene glycol and a corrosion inhibitor system on nitrite base.
Properties
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Eliminates fire risk due to the relatively high concentration of water
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Eliminates smoke, soot and oil quenchant residues, ensuring a clean working environment and easier equipment maintenance
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High flexibility since ideal concentrations, bath temperatures and/or agitation may be determined for optimum quenching conditions for specific materials or components
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Minimizes the replacement and control requirements compared to PVA and soluble oil quenchants due to deterioration and/or agitation
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Minimizes residual stress, distortion and soft spotting associated with water quenching of aluminium based materials
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Produces clean components ready for further processing – drag out losses are reduced compared to oil and no degreasing is necessary
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Easily mixable to the operating concentration
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Good anti-corrosion properties, protecting the quenching system
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Extended lifetime due to low levels of drag out and bath deterioration
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