Overview Reviews Product Description Cobalt NanoWiresCo, 99% PureDia: 200-300 nm, Length: < 200 microns Product Videos Custom Field CAS Number 7440-48-4 Formula Co Dangerous Goods N/A Product Reviews Write a Review Write a Review × MKNano Cobalt NanoWires Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *