Aqueous Technologies Misprint Cleaning Machine

Equipped with an adjustable misprint rack, the Aqueous Misprint cleaning machine is ideal for cleaning misprinted circuit boards and assemblies. It eliminates the risk of "B" to "A" side solder paste transfer using ultrasonic energy technology. Rather than pushing solder paste off the circuit board, it is pulled off, eliminating the risks of solder spheres being redeposited under the components.


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The Misprint cleaning machines utilise precisely controlled sound waves to remove un-reflowed solder paste from misprinted assemblies and stencils. At 40 kHz, the ultrasonic energy is gentle enough not to damage delicate parts yet is highly effective in the removal of solder pastes. The built-in ultrasonic "sweep" generator oscillates the cleaning frequency between 37 kHz and 43 kHz, preventing damage to wire bonds and other delicate devices.


  • Electronics
  • PCB assembly
  • De-fluxing
  • Semiconductor

Key Features

  • Capable of cleaning misprints or stencils up to 29" x 29" in size
  • Complete zero discharge operation
  • Programmable digital wash cycle timer 
  • Safe 31 watts per liter power ratio 
  • Wash solution heating system with programmable digital temperature controller 
  • Closed-loop wash solution filtration system with stainless steel housing
  • Closed-loop rinse water filtration system with stainless steel housing
  • Hand-held rinse wand
  • Hand-held airknife
  • Fully enclosed 

Key Benefits

  • Low operational cost
  • Small footprint
  • Safe for the environment
  • StencilWasher is designed to remove all solder-paste types in cycle times averaging less than five minutes