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Potassium Hydroxide Alkalinity Builder for Boilers - Bottle

Potassium Hydroxide Alkalinity Builder for Boilers - Bottle

Accepta 6059 is a high performance, highly concentrated potassium hydroxide based solid chemical boiler water  alkalinity builder scientifically formulated for the control and adjustment of pH in boiler water systems.

Accepta 6059 is a boiler water treatment product developed to increase water system alkalinity.

Accepta 6059 is especially suited to help raise the alkalinity in boiler feed waters where the make-up water is low in alkalinity, such as reverse osmosis (RO) water.

Accepta 6059 is available in fully recyclable plastic bottles each containing 5.5kg of concentrated solid chemical.

Accepta 6059 is packaged in cases containing 4 x 5.5kg bottles.

Each case weighs 21.8kg.

Product Benefits

  • Innovative solid chemical technology
  • High performance potassium hydroxide alkalinity builder for boilers
  • Especially suited to help raise the alkalinity in boiler feed waters where the make-up water is low in alkalinity
  • Significant safety improvements
  • Easy to handle, simple to dose
  • Environmentally friendly
  • Reduces carbon footprint
  • Significant space savings

Product Properties

Appearance: White solid
Odour: Odourless
Bulk density: 1197 kg/m3
Solubility in water: Complete but dissolves slowly
pH (1% solution): 13.5

*Full details of the product properties are available in the Safety Data Sheet. See below.

Application & Dosage Information

Accepta 6058 should be applied to maintain 600 – 1000 ppm nitrite in the boiler water.

Testing & Control

Testing In Boiler Water
In Condensate Return
NO2 600 - 1000ppm -
Conductivity See manufacturers guidelines -
pH - 7.0 - 8.5
Iron -  <1ppm 

Extreme care must be taken when handling Accepta 6059 and all users should refer to the latest Safety Data Sheet for this product.

Using Accepta 6059 with our dissolving system (Accepta board), a solution strength of approximately 20% will be achieved in the reservoir.

During dissolution, water temperatures may exceed 65.5 oC. This solution is hazardous and all specified safety precautions must be followed. Appropriate warning labels should also be maintained on the reservoir.


Feed Acepta 6059 using an Acepta board system.

It is always advisable to carry out a 'Control Of Substances Hazardous to Health' (COSHH) assessment before use.

For further technical assistance concerning Accepta 6059 please contact Accepta.

Safety, Storage & Handling

For full details concerning safety precautions, storage and handling procedures for Accepta 6059 please refer to the latest Safety Data Sheet. To download the latest safety data for this product use the following link:

Safety Data for Accepta 6059

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To discover how you could benefit from our environmentally sensitive, quality driven chemical manufacturing capabilities please call us on +44 (0) 161 877 2334 or contact us.

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