Sodium tungstate is mainly used for producing ammonium paratungstate(APT), ammonium metatungstate, tungstic acid, tungsten trioxide, tungsten carbide, tungsten rod and tungsten wire.
| Item | Index % | ||
| A.R | High purity | Industry grade | |
| Na2WO4 | 99 | 98 | 96 |
| Mo | ≤0.002 | ≤0.02 | ≤0.04 |
| As | ≤0.001 | ≤0.002 | |
| Cu | ≤0.0005 | ≤0.0005 | |
| Fe | ≤0.001 | ≤0.002 | ≤0.005 |
| Si | ≤0.004 | ≤0.004 | ≤0.04 |
| Insol. in water | ≤0.005 | ≤0.01 | |
| Heavy metal (Pb) | ≤0.001 | ≤0.002 | |
| Cl | ≤0.007 | ≤0.03 | |
Najin Import and Export (Shandong) Co., Ltd. is a comprehensive, diversified, and comprehensive company with BDO, PEG, PPG, PTMEG, MDI, TDI, PVA, NMP, and polyether polyols, polyester polyols, and polymer polyols as its main industrial chains. We have a professional sales team that has won recognition and praise from the industry with exquisite technology, sound administrative management, and good teamwork. The product is sold to multiple domestic and foreign enterprises.
We always adhere to the principle of "quality first, customer first, and reputation first", and are committed to providing customers with the best products. We will also continue to build a professional chemical product supply chain with the highest quality service, best products, and maximum efforts.
