The ASTM Copper Sulphate Test is a reliable surface inspection solution used to detect free iron contamination and verify the effectiveness of passivation on stainless steel surfaces. Widely used in quality control and industrial inspection processes, this test helps ensure stainless steel components meet required cleanliness and corrosion resistance standards.
Designed in accordance with ASTM testing methods, the Copper Sulphate Test provides fast and accurate results, making it ideal for fabrication workshops, maintenance operations, and hygienic industries where stainless steel surface integrity is critical.
Key Features
- Detects free iron contamination on stainless steel
- Helps verify passivation effectiveness
- Designed to support ASTM testing procedures
- Fast and easy inspection process
- Suitable for workshop and on-site quality control





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