Tungsten oxide harzard property: It has low toxicity. It is irritating to eyes and skin. Weakness, fever, measles-like rash, and proteinuria of tungsten steel smelting workers may be related to the inhalation of tungsten trioxide during smelting. The product is non-flammable and irritating.
Therefore, workers during handling process should wear facial mask and gloves to avoid direct contact and inhale of tungsten oxide.