Dodecyl Dimethyl Benzyl ammonium Chloride(Benzalkonium Chloride,1227)
  Dichloro Isocyanuric Acid(Euchlorine)
  SD-401 Composite Bactericide
  SD-402 Composite Bactericide
  SD-406 Composite Bactericide
  SD-409 Sludge Stripper
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SD-402 Composite Bactericide
SD-402 is composed of quaternary ammonium salt and isothiazolinone. SD-402 has the advantages of high efficiency, wide range, low toxicity, quick effect and durable, strong penetration, convenience in use, and wide range of suitable temperature and pH, no drug resistance even after long period of using.





Yellow greenish transparent liquid

pH(1% water solution)


Density (20”ę)g/cm3


SD-402 can be used as fungi disinfectant and sludge stripper in industrial circulating cool water systems in fields such as power plant, chemical industry, fertilizer, oil refining and metallurgy. Its effect is better that that of 1227. In addition, this product has certain effect of corrosion inhibition.
Impact charge, dosage of 80-200mg/L will kill all algae. Enlarge dosage if wish to quickly remove multitude algae. Clean out the removed sludge and floatages to prevent their deposit. Once existed more foams, antifoaming agent should be added. NO blend with anion surfactant. 

Package and Storage:
25kg in plastic barrel, or confirmed by clients. Storage for six months.

Safety Protection:
Stimulation to skin, once contacted, flush with water.
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