silver powder 1. particle size:20nm, 30-50nm, 50-80nm, purity: 99.99% 2. conductive paste 3. antibiosis 4. mould silver powder: Particle sizeN471:20nm, N472:30-50nm, N473:50-80nm, etc.Purity99.99%Application1. Conductive paste2. Antibiosis in paper, plastic, textile, etc.3. Mouldproof matrerials in plastic, ceramic, textile, rubber, medical dressing, coating, structural adhesive, etc.4. ...