Stabilized Potassium Stannate Solution Precursor
Powder precursor for preparing stabilized potassium stannate solutions in plating lines. Remains HTS 2841.90.30.00 as solid salt, not solution. Prevents precipitation in concentrated baths.
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• Distinguish from ready solutions (2825); include reconstitution instructions
Related Products under HTS 2841.90.30.00
Potassium Stannate Trihydrate
Potassium stannate trihydrate (K2SnO3·3H2O) is a white crystalline powder used primarily as a source of stannate ions in chemical plating processes for metals. It falls under HTS 2841.90.30.00 as it is specifically the potassium salt of stannic acid, a peroxometallic acid derivative. This chemically defined inorganic compound is essential for electroless tin plating on substrates like circuit boards.
Anhydrous Potassium Stannate
Anhydrous potassium stannate (K2SnO3) is a high-purity, water-free form used in advanced electroplating solutions for corrosion-resistant tin coatings. Classified under HTS 2841.90.30.00 as the potassium salt of stannic acid, meeting Chapter 28 criteria for chemically defined oxometallic salts. It provides stable stannate ions without hydration interference in formulations.
Technical Grade Potassium Stannate
Technical grade potassium stannate is a commercial powder (typically 40-60% K2SnO3) for immersion tin plating in electronics manufacturing. It qualifies for HTS 2841.90.30.00 as the designated potassium salt of stannic acid, despite minor impurities allowed in technical grades. Used to create uniform tin layers on copper for solderability.
High Purity Potassium Stannate 99%
99% pure potassium stannate crystals for laboratory and semiconductor applications requiring ultra-clean stannate sources. Precisely classified under HTS 2841.90.30.00 as chemically defined potassium stannate per Chapter 28 Note 1. Essential for atomic layer deposition of tin oxide films.
Potassium Stannate for Glass Coating
Specialty potassium stannate formulation for transparent conductive oxide coatings on glass substrates. Falls under HTS 2841.90.30.00 as the base potassium stannate compound before application. Provides tin source for ITO (indium tin oxide) production.
Electroless Plating Grade Potassium Stannate
Electroless plating grade potassium stannate optimized for stable bath life in PCB manufacturing. HTS 2841.90.30.00 classification as pure potassium stannate salt. Delivers consistent tin deposition rates for ENIG processes.