Tianya Chemical iproduces and supplies Sodium Metabisulfite Food Grade and Industrial grade (Technical Grade) products with huge production capacity.

Based on National Standard and chemical industry standard, differences between sodium metabisulfite food grade and sodium metabisulfite industrial grade (Technical Grade) are as follows:

The purity requirement for both food grade and industrial grade (Technical Grade) of sodium metabisulfite is ≥ 96.5%. Sodium metabisulfite food grade has the requirements for clarity and heavy metal (lead) content, while industrial grade doesn’t have the requirements for these two items. And they have different requirements for other parameters.

Sodium Metabisulfite Oxidation