Chemical Formula: Na₂S

CAS Number: 1313-82-2 (anhydrous); 1313-84-4 (nonahydrate)

HS Code: 28301010

UN Number: UN 1385 (classified as hazardous; Corrosive Solid, Basic, Inorganic, N.O.S.)

Purity: 98% or higher (industrial grade, typically nonahydrate form)

Appearance: Yellow or reddish crystalline flakes or powder, strong sulfurous odor

Packaging: 25kg woven bags, 1000kg jumbo bags, or export-standard packaging

Applications in Electroplating:

Surface Preparation: Acts as a reducing agent to remove oxide layers and clean metal surfaces, improving adhesion of coatings, especially on copper, brass, and steel substrates.

Sulfide Plating: Serves as a sulfur source in specialized sulfide plating processes, forming protective or decorative sulfide coatings on metal surfaces.

Quality Enhancement: Enhances the corrosion resistance and uniformity of plated layers, commonly used in electronics, hardware, and decorative finishes.

Benefits:

Ensures effective surface preparation, leading to high-quality plating results.

Cost-effective and widely compatible with specialized electroplating processes.

Enhances corrosion resistance and functionality, prolonging the lifespan of plated products.

Procurement Details:

MOQ: 100kg

Sample Availability: Available upon request (freight collect)

Lead Time: 10-15 days after order confirmation

Shipping Port: Qingdao, China (or other major ports upon request)

Price: Contact us for a tailored quote based on volume and destination

Payment Terms: T/T, L/C