Electroplating Sulfamic Acid is a process chemical for nickel sulfamate plating and electroforming, used in bath preparation, replenishment, and pH adjustment. Its controlled chemical composition makes it suitable for industrial plating systems with defined raw-material specifications.
Technical Specifications
|
Item |
Standard |
Result |
|
Assay |
99.5% Min |
99.84% |
|
Loss on Drying |
0.1% Max |
0.02% |
|
SO₄ |
0.05% Max |
0.01% |
|
NH₃ |
200 ppm Max |
80 ppm |
|
Fe |
0.003% Max |
0.0003% |
|
Heavy Metal (Pb) |
10 ppm Max |
1 ppm |
|
Chloride (Cl) |
1 ppm Max |
0 ppm |
|
pH Value (1%) |
1.0–1.4 |
1.2 |
|
Bulk Density |
1.15–1.35 g/cm³ |
1.22 g/cm³ |
|
Water-Insoluble Matter |
0.02% Max |
0.004% |
|
Appearance |
White crystalline |
White crystalline |
Key Applications
Nickel Sulfamate Plating: Used in sulfamate nickel plating baths for bath preparation and chemical replenishment.
Electroforming: Applied in nickel electroforming systems requiring controlled sulfamate electrolyte chemistry.
Bath pH Adjustment: Used to lower plating-bath pH according to measured bath conditions and process requirements.
Metal Finishing: Suitable for industrial plating and finishing processes where low chloride, sulfate and metallic impurities are required.
Other Industrial Applications: Also used in industrial descaling, cleaning, chemical synthesis, pulp and paper processing, and resin production.
Electroplating Bath Preparation & pH Adjustment
Bath Preparation: Sulfamic acid can be used as a raw material when preparing sulfamate-based plating solutions. The required addition level should follow the bath formulation and process specification.
pH Adjustment: Its acidic character allows controlled reduction of plating-bath pH when analysis shows that adjustment is required.
Solution Testing: Bath additions should be based on measured pH and chemical analysis rather than a fixed dosage, since operating conditions vary between plating systems.
Chemical Compatibility: Before use, the supplied grade should be checked against the plating-bath formulation, particularly for chloride, sulfate and metallic impurity limits.
Purity & Impurities Control
Active Content Verification: Formulated with a high baseline assay to ensure predictable reaction stoichiometry and consistent performance in industrial synthesis.
Trace Metal Control: Controlled limits for iron and heavy metals help support applications where low metallic impurity levels are required.
Residue and Byproduct Limitation: Restricts insoluble matter and volatile byproducts to prevent suspended particulates or secondary contamination in closed-loop systems.
Moisture and Caking Prevention: Controlled moisture content helps reduce caking and maintain consistent handling and dissolution characteristics during storage.
Packaging & Storage
Label & Batch Identification: Export packages should carry product identification and batch information to support warehouse receiving, stock control and production traceability.
Moisture Barrier Integrity: Requires storage in tightly sealed, moisture-resistant packaging to protect the hygroscopic material from atmospheric humidity.
Separation & Compatibility: Must be stored away from strong oxidizing agents, alkaline compounds, and hypochlorite-based chemicals to avoid accidental neutralization or hazardous reactions.
Safety & Regulatory
Acid Substitution Profile: Replaces hydrochloric acid in operations requiring reduced corrosiveness, lower volatility, and the complete absence of toxic fumes.
Chemical Compatibility: Keep away from strong oxidizers, strong alkalis and incompatible chemicals. Do not mix with hypochlorite-based chemicals unless compatibility has been specifically confirmed.
Chemical Identifiers: Registered under CAS Registry Number 5329-14-6, EINECS Number 226-218-8, and HS Code 28111980.


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