Amtech NC-559-ASM soldering flux paste. This is a premium, no-clean, lead-free flux formulation widely used by professionals in electronics repair and manufacturing. 

• Product Type: No-clean solder flux paste. 

• Intended Use: Used globally for BGA, SMD, and PCB rework applications, including mobile phone repair. 

• Key Features: Offers superior wetting, excellent thermal stability, and minimal residue after soldering. 

• Volume: The container holds 100g of flux. 

• Manufacturer: Advanced Metals Technology Inc (Amtech), Made in USA.