EnviroMark 923 is a halogen-free, Pb-free and no-clean paste. Is said to have excellent wetting, low voiding and soft pin probeable residues. Reportedly has consistent solder paste volume deposits regardless of idle time, stencil life and print speed. Offers 0201 print and reflow capabilities with standard Type 3 powder. Capable up to 200 mm/sec print speed and bridge resistant.