宜兴市锦程化工有限公司

Executive Standard: HG/T3814-2006

Standard: (Technical grade)

SO₂ Content: 64～67
Water Insoluble Matter: ≤0.03
Chloride (Cl): ≤0.05
Heavy Metal ( in Pb): 0.001
Iron (Fe): ≤0.004
Arsenic (As): ≤0.0002
PH Value (50g/L solution): 4.0～5.0

Packing: 25KG woven bag