model	QH#LF97H	Metal content	90.0±1%
melting point	223℃	Alloy composition	SnAg0.3Cu0.7
Tin powder particle size	25-45um	diffusivity	83.5%
Insulation resistance	1.6×1012Ω	Copper plate corrosion test	Pass

Product Features
High-quality printing and forming, clear and stable outline, 0.4mm spacing without kneading after 1 hour pause, printing speed 25-150mm/sec; thermal collapse is better than the maximum bridging spacing specified by IPC J-STD-005 standard, good diffusion , the residue is colorless