Special High Grade Zinc (SHG) is a high purity grade of zinc (99.990% Zn minimum) used in hot-dip and electro-galvanizing and as a component of brass alloys. SHG-Zinc suits all applications and can be mixed with other alloying elements.
Special high-grade zinc of 99.995% purity (minimum) must conform to the chemical composition of one of the following standards:
- BS EN 1179:2003 – 99.995% grade
- ISO 752:2004 – ZN-1 grade
- ASTM B6-12 – LME grade
- GB/T 470-2008 – Zn99.995 grade