Product standards: Q/HSF01-2004
Items Specifications
Hypoviscosity Hyperviscosity
Octenyl succinic anhydride replacing degree ≥0.02
Sulfur dioxide mg/Kg ≥50
pH (1% water solution) 4.0-7.0
Viscosity (6% water solution) mpa.s 4-10 20-3
0Loss on drying % ≥10.0
Heavy metal (Pb) % ≥0.003
Arsenic (As) % ≥0.0003