Descaling Powder for Metal
Blended powder of sulfamic acid, phosphates, and inhibitors for immersion descaling of heat exchanger tubes. Under HTS 3810.90.5000 as metal pickling preparation, dissolves calcium/magnesium scale without hydrogen embrittlement. Rinse to neutral pH.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pure sulfamic acid crystals
Single acids classify under Chapter 28 inorganics.
If phosphate salts without acid blend
Individual phosphates are separate chemicals.
If household descaler without industrial metal claim
Consumer cleaning preparations use Chapter 34.
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Import Tips & Compliance
• Scale composition efficacy data confirms pickling preparation status
• Inhibitor package prevents base metal attack validation
• Dissolution rate testing for concentration instructions
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