SAT NANO is an excellent manufacturer of Antibacterial Silver colloids in China. Silver dispersion is a liquid product formed by dispersing nanoscale silver particle in a solution. silver dispersions have excellent catalytic performance, antibacterial properties, conductivity, and optical properties, making them widely used in medical, environmental, electronic, and optical fields. We can supply 300ppm, 500ppm, 1000ppm, 2000ppm, 5000ppm, 10000ppm.