Overview Reviews Product Description Graphitized Multi Wall Carbon Nanotubes99.9% Pure, OD: 20-30 nm, Length: 30 umSSA: > 55 m2/g Product Videos Custom Field CAS Number - Formula MWCNT Dangerous Goods N/A Product Reviews Write a Review Write a Review × MKNano OD: 20-30 nm Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *