Overview Reviews Product Description Tantalum NanopowderTa, 99.9% Pure, APS: 70 nm Product Videos CAS Number CAS Number 7440-25-7 Formula Ta Dangerous Goods N/A Product Reviews Write a Review Write a Review × MKNano Tantalum, 70 nm Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *