Add to Cart Nb4C3 MXene Powder Niobium Carbide MSRP: Now: $450.00 Was: Nb4C3 is a two-dimensional transition metal carbide based member of the MXenes. These MXene sheets are formed starting from MAXene phases and our in-house processing technique to reduce the... Pwd-MX-Nb4C3 MSRP: Now: $450.00 Was: Add to Cart Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $450.00 Was: Subtotal: Add to Cart