|Type||Grade 1||Grade 2||Grade3|
|Impurity content not more than(%)||Element||Max||Max||Max|
Tungstic Acid is yellow, with color uniform. products do not have impurities which are not visible to be naked eye.
The product packaging used steel barrel, polyethylene-lined plastic bags and they should be tightly enclosed separately. The net weight for each is 50、100、200kg.
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