... powder, that is Copper,Indium,Gallium,Selenium. Cu-In-Ga-Se alloy powder Specification:1. Cu 19.69% In 24.9 ... % Se 48.96% Ga 6.48%2. Cu 20.25% In ... 18.30% Se 50.34% Ga 11.11%3. Cu 63% In 49 ... % Ga 2.1%4. Cu 34% In 22.2% Se 36.5% Ga 7.3%5. Cu 0% In 36. ... 58% Se 53.9% Ga 9.52%6.we also can produce ...