... , 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 ...