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Chemtex manufactures Descalents which dissolves, disperse or purge scales in heat exchangers & pipelines.



Heat exchangers & pipelines are an essential element in chemical industries. They are known to accumulate rust, scale & soil deposits from time to time.Descalants or Descaling Agents are chemical compounds that effectively dissolves, disperse or purge these scales, rust and soil deposits from by means of re-circulation method, fill and soak method or immersion method.


Proper Corrosion Inhibitors are added in descalants to avoid damage to system metals.After acidic descaling of system, it is important to passivate and neutralize the system with proper Passivating Agents for avoiding chances of flash rusting after descaling.


In some cases Scale Softeners and mechanical means like brushing and scrubbing of tubes is also required for heavily fouled systems.

The dosing of these chemical is a  labour oriented job & requires huge downtime.Due to this the use of alternatives such as Online Descalants and Antiscalants are getting popular.

Chemtex offers a wide range of descalants under its registered trade names of ALSTASCALE for:-

  • ·       Heat Exchanger Descaling Chemical (Condenser Descalant)
  • ·       PHE Descalant (Plate Heat Exchanger Descaling Chemical)
  • ·       RO Membrane Descalant Cleaner
  • ·       Inhibited Sulfamic Acid Boiler Descalant
  • ·       Boiler Online Sludge Conditioner Descalant

Contact Us

Chemtex Speciality Limited
Regd. Office :33 Brabourne Road, Kolkata 700 001,
West Bengal, India Phone : +(91)-(33)-7111-1111 / 7111-1112 Fax : +(91)-(33)-7111-1117 Mobile : +(91)-896-111-1111


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