Houghton Aqua-Quench 251 - Water soluble polymer quenchant - 54005

Houghton Aqua-Quench 251 - Water soluble polymer quenchant - 54005

Houghton Aqua-Quench 251 - Water soluble polymer quenchant - 54005

 

A water soluble polymer quenchant for the solution heat treatment of aluminium alloys.

Aqua-Quench 251 is a pale amber coloured fluid concentrate based upon polyalkalene glycol. It mixes readily with water to produce a solution which is instantly ready for use. As Aqua-Quench 251 solutions are heated the organic polymer becomes insoluble in the water at temperatures above 74°C. When the solution is cooled the polymer goes back into solution and is fully miscible. It is this property known as "inverse solubility" which imparts the unique cooling mechanism to Aqua-Quench 251.

 

Application:

Aqua-Quench 251 is a versatile water soluble polymer quenchant for use in the solution heat treatment of aluminium alloys. The flexibility of quenching speed and uniform heat transfer characteristics of Aqua-Quench 251 eliminates many of the disadvantages of water or mineral oil based quenchants. 

Aqua-Quench 251 complies with Aerospace Material Specification (AMS) 3025(C) as a Type 2 multiple Polymer quenchant. Aqua-Quench 251 can be used for processing a wide range of aluminium alloys such as 2024, 6061 and 7075 and is suitable for cast and forged components, extruded sections, brazed fabrications and assemblies manufactured from thin gauge sheet.

 

Advantages:

  • Minimises distortion and provides excellent dimensional control. 
  • ‰Uniform heat transfer characteristics. 
  • ‰Elimination of steam pockets, uneven heat transfer, high residual stress, and stress corrosion cracking associated with water quenching. 
  • ‰Flexibility of quenching speed through concentration control 
  • ‰Eliminates needs for heating of quench tanks. 
  • ‰Eliminates the smoke fumes and fire hazards associated with oil quenching. 
  • ‰Low drag out provides economy in use. 
  • ‰Suitable for a wide range of aluminium alloys. 
  • ‰Suitable for thin gauge sheet and cast or forged components.
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