Why controlled curing?

Controlled curing means: Controlling temperature and humidity of the atmosphere that fresh concrete products cure in. This is done in order to accelerate and optimize the curing process.

The hydration process of concrete almost stops at temperatures in between +5°C and 0°C leading to slow curing of the concrete product. Adding heat accelerates hydration, speeding up hardening of the concrete.

The binding agent in the concrete mixture (cement) however must not suffer from a lack of water as this will also disturb the hydration.

Under controlled conditions (with the right amount of water and the correct temperature), you can adjust the process in a product specific manner.

Under "normal" set conditions (without controlled curing) only about 80% of the cement in the mix reacts to become concrete.

Permanently adding the necessary amount of water allows hydration of more of the cement, which can lead to cement savings of 10% or more.

The controlled supply of heat to the product accelerates the hydration process.

This has the following advantages:

  cement savings (up to 10%)

 
  Saving of color pigments
(by the lower cement content)
  Faster curing times (early strength)
  Even product quality (summer / winter)
  Uniform color
  Higher quality of products
  Reduction of the required storage capacity
  Reduction of the concrete mold use times

 
  Harder edges and corners
(less customer claims)
  Better abrasion resistance

 
  Secondary processes (grinding, blasting, rumbling, breaking) are possible "inline"

CureTec Energietechnik GmbH & Co. KG
Lehmkuhlen 13 • 49757 Vrees / Germany
Fon +49 (0) 4479 / 9390-600
Fax +49 (0) 4479 / 9390-620
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