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Appearance: dark grey powder
Application: the additive of tungsten carbide products, cermet, coating material, and the material of niobium bar, powder
| Grade | FNbC-1 | FNbC-2 | NbC-C-3 | ||||
|---|---|---|---|---|---|---|---|
| impurity content% max | T.C | 11.0±0.5 | 11.5±0.5 | 11.0±0.5 | |||
| impurity content% max | F.C | 0.20 | 0.20 | 0.10 | |||
| impurity content% max | N | 0.15 | 0.15 | 0.15 | |||
| impurity content% max | O | 0.80 | 0.30 | 0.10 | |||
| impurity content% max | Ta | 0.25 | 0.25 | 0.25 | |||
| impurity content% max | Ti | 0.02 | 0.02 | 0.02 | |||
| impurity content% max | Si | 0.01 | 0.01 | 0.01 | |||
| impurity content% max | Fe | 0.15 | 0.15 | 0.40 | |||
| impurity content% max | Ca | 0.01 | 0.01 | 0.01 | |||
| Fsss(um) | 1.20±0.30 | 3.0±1.0 | -- | ||||
| Sieve size（mesh） | -60/+325, -100/+200, -200/+325, -325 | ||||||
Niobium carbide powder is a brown-gray metallic powder with a purple luster. The powder is also a high melting point and high hardness material with high chemical stability and high-temperature function. It is widely applied to high-temperature refractory material and additive of cemented carbide.
