... , purity: 99.99% 2. conductive paste 3. antibiosis 4. mould silver powder: Particle sizeN471:20nm, N472:30-50nm, N473:50-80nm, etc ... matrerials in plastic, ceramic, textile, rubber, medical dressing, coating, structural adhesive, etc.4. Preservation of cultural relicsAppearanceDeep grey brown powderSEMFor more ...