1. Product Overview & Specifications

CAS No.: 27206-35-5
Molecular Formula: C₆H₁₂Na₂O₆S₄
Molecular Weight: 354.4 g/mol
Appearance: White crystalline powder
Solubility: Highly soluble in water (>200 g/L at 20°C)

2. Key Applications & Use Cases

Primary Industrial Uses:

• Electroplating additive for copper/tin-zinc alloys
• Surface treatment agent in PCB manufacturing
• Corrosion inhibitor in cooling systems

Operational Guidelines:

1. Optimal concentration: 0.5-3.0 g/L in plating baths
2. Maintain pH between 8.5-11.0 for maximum efficacy
3. Compatible with most thiol-based accelerators

3. Industry Case Studies

Case Study 1: High-Density PCB Manufacturer

Client: Shenzhen Grandwave Electronics Co., Ltd. (2023)
Challenge: Microvia voiding in 8-layer HDI boards
Solution: SPS-based electrolyte formulation at 2.8 g/L
Results: 72% reduction in plating defects

Case Study 2: Automotive Connector Supplier

Client: Suzhou Amphenol Interconnect (2022)
Challenge: Inconsistent contact resistance in brass terminals
Solution: SPS-modified cyanide-free copper bath
Results: 0.8-1.2 mΩ consistent contact resistance

4. Technical Inquiry & Support

For technical specifications sheets or customized formulations:
info@vivalr.com
(86) 15866781826

Request sample quantities:
– Trial samples: 100g-500g available
– Bulk orders: ISO-certified production batches