1. Water-soluble sulfur black 
 HS: 3204.1911.00 
 CAS :1326-83-6 
 Quality Standard: HG/T3632-1999 
 Appearance: Black uniform granules or powder 
 100 + -5 amount of standard information 
 Strength: 100% 
 Shade: similar to a micro- 
 Moisture content: less than equal to 7.0% 
 The amount of insoluble debris: 0.5% or less 
 Solubility: greater than or equal 60% 
 Packing: woven bag, carton or iron drum, net weight 25 kg 
 2. Liquid Sulphur Black 
 Appearance: Black viscous liquid 
 PH value :12.0-13.5 
 Viscosity: 300 mPa sec or less 
 Density of less than equal to 1.30-1.50 
 Packing: plastic drum net 30,50.1000 kg