Zhongheng chemical Co., Ltd.

Zhongheng chemical Co., Ltd. is based in China and lists sodium metabisulfite products on Global Trade Plaza. The company offers food grade, industrial grade and high purity grades of sodium metabisulfite, each supplied as a white or light yellow crystalline powder. The food grade material meets a content specification of 97.0% Na2S2O5 with iron at 0.003%, arsenic at 0.0001%, heavy metals as lead at 0.0005%, pH 0-4.6 and water insoluble matter at 0.05%. The industrial grade provides 96.5% content with iron at 0.005%, arsenic at 0.0001%, heavy metals as lead at 0.0005%, pH 4.0-4.6 and water insoluble matter at 0.05%. The high purity grade specifies 98.0% content with iron at 0.003%, arsenic at 0.0001%, heavy metals as lead at 0.0005%, pH 4.0-4.6 and water insoluble matter at 0.05%. Buyers can send an enquiry through Global Trade Plaza.