HVAC CHILLER DESCALING CHEMICAL

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Scale Remover-11

HVAC CHILLER DESCALING CHEMICAL

SKU: RXSOL-11-8865-025
High Performance Scale Remover for HVAC Chillers, Heat Exchangers, Condensers and Cooling Water Systems
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Technical Specifications

Descaling Chemical compound Should have following Properties

Odour

Characteristic smell

Appearance

Viscous Liquid, soluble in water

pH (Neat)   

  2.0 at 100 % concentration

Boiling point

~ 100 °C at 760 mm /Hg

Vapour pressure

105.5 at 20 deg C

Specific gravity (water=1)

1.20±0.05

Freezing point~

30 °C at 760 mm/Hg

Solubility with water at 20 degree C

    100%

Flammable Non combustible 

Application & Dosage

What Causes Scale in Chiller & Condenser Tubes?

Central AC plants often operate with continuous water circulation. Depending on water chemistry, minerals such as calcium carbonate, calcium sulfate, magnesium deposits, silica, iron oxides, and other contaminants can accumulate on heat-transfer surfaces.

The problem can become more severe when:

  • Hard water is used

  • Cooling-water treatment is inadequate

  • Water circulation is poor

  • Blowdown is insufficient

  • pH and alkalinity are not properly controlled

  • Equipment operates continuously for long periods

The resulting deposits form an insulating layer over heat-transfer surfaces.

RXSOL-41-8865-025 contains a powerful dissolving agent for various mineral compounds. Early stage uses of  RXSOL-41-8865-025 prohibit scales build up which results in tube blockage, or regular cleaning is recommended as well. It is impossible to do a circulating cleaning when the tube is completely blocked.

* Calcium sulfate is easier to be formed when the temperature goes higher.

The most effective method of RXSOL-41-8865-025 is circulation for large systems or components. In the case of small components, the soak method in an immersion bath can be used.

If the equipment to be cleaned is contaminated by oil, grease, sludge or carbonised oil, then pre-cleaning with RXSOL-20-2002-SC or Rxsol-10-1006 is necessary.
 

Why Chiller Descaling is Important

Scale acts as a thermal barrier between the circulating water and the metal surface. Even a relatively thin deposit can reduce heat-transfer efficiency.

Regular inspection and appropriate chemical cleaning can help:

  • Restore heat-transfer efficiency

  • Improve condenser performance

  • Reduce energy consumption

  • Improve chilled-water system operation

  • Remove mineral deposits

  • Improve water circulation

  • Reduce maintenance problems

  • Extend equipment service life

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