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STAR CHEMICALS AND CATALYSTS CO,.LTD.

Water treatment chemicals HPMA

  • Category :
    Catalyst and Auxiliary/Other Auxiliary Agent
  • CAS NO :
  • EC NO :
  • Molecular Formula :
  • Molecular Weight :
  • Main Specifications :
  • Packing :
    220 kg drum
  • Product description :

    NS-303: HPMA
    Chemical name: Hydrolyzed polymaleic anhydride
    Description: equivalent to FMC抯 Belcor-200
    Specification:
    Appearance: homogeneous orange or orange-brown clear liquid
    Solid content: 48.0% min.
    Number average molecular weight: 300 min.
    Bromine number: 160 mg/g max.
    Density (20癈): 1.18 min.
    PH (1% aqueous solution): 2.0 - 3.0
    Packing: 220 kg drum
    Usage:
    Usually used at a concentration of 2-3ppm together with phosphate, in systems like circulating cooling water, oilfield fill water, crude oil dewatering and inside-the-furnace trace treatment of low-pressure boilers. It has good scaling-prevention and descaling capability with scaling prevention rate of 98%. When it is used with 1-2ppm of zinc salts, it can effectively inhibit corrosion of carbon steel.
  • Usage :
    Usually used at a concentration of 2-3ppm together with phosphate, in systems like circulating cooling water, oilfield fill water, crude oil dewatering and inside-the-furnace trace treatment of low-pressure boilers. It has good scaling-prevention and desc
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