Developer Helling Nord-Test U 89 is a professional developer designed for non-pressurized leak testing and surface inspections within the penetrant testing system. The spray is used as the final step in detecting cracks, pores, and other surface defects on both metallic and non-metallic materials.

The Developer U 89 is part of the Nord-Test Eindringprüfsystem system from the reliable brand Helling and is intended for use in inspections on ferrous and non-ferrous metals, glass, ceramics, and other materials. The system is free of halogens and sulfur, making it suitable for use even in demanding industrial environments. The product meets the requirements of the DIN EN ISO 3432-2 standard and complies with the standards of the ASME Boiler and Pressure Vessel Code, Lloyd's Register of Shipping, AMS 2644, and AMS 2647.

Thanks to its wide range of certifications, this developer finds application in many industries:

• Mechanical engineering and pressure vessel manufacturing
• Shipbuilding and boiler making
• Welding and metallurgy
• Automotive industry and aerospace
• Medical and electrical engineering
• Blacksmithing and die forging

The practical packaging in the form of a 500 ml aerosol spray ensures convenient and precise application even in hard-to-reach areas. The spray is ideal for professional non-destructive testing personnel as well as demanding DIY enthusiasts who require reliable surface inspection results.