Wafer Grinding Coolant Agitator
Continuous stirring machine for coolant reservoirs in wafer grinders/lappers, preventing abrasive settling during backgrinding to achieve <1 micron flatness. HTS 8479.82.0040 for semiconductor wafer preparation equipment mixing per statistical note (a)(ii)(C). Maintains suspension for TTV control.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as grinder spare part
Parts of classified grinding machines follow principal machine classification.
If liquid pump with secondary agitation
Pumping function principal shifts from pure mixing classification.
If supplied pre-filled with coolant
Prepared chemical suspension value exceeds machinery classification.
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Import Tips & Compliance
• Specify coolant flow rates matching grinder specifications (5-20 GPM)
• Provide particle settling prevention test results for sub-micron abrasives
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