Lowering Efflorescence With Sodium Silicate
Posted On : Sep-15-2011 | seen (176) times | Article Word Count : 414 |

Efflorescence has been one of the greatest headaches for the concrete product manufacturers. This is pretty essential for the architecture or aesthetic concrete item producers. Efflorescence has been one of the greatest headaches for the concrete product manufacturers. This is pretty essential for the architecture or aesthetic concrete item producers.



Efflorescence may be effortlessly explained as white deposits on the concrete surface. Yet Cheap Soccer Jerseys China , there's a rather broad science behind this phenomenon. According to the literature, this condition occurs primarily in poorly constructed concrete. Poorly constructed concrete means the 1 with insufficient curing, and also the 1 with significant sum of pores or cracks.



Efflorescence is truly dried Calcium Carbonate (CaCO3) Cheap Soccer Jerseys , which formed from the reaction between Calcium Hydroxide (Ca(OH)2) from the hardened concrete and Carbon Dioxide (CO2) inside the air. Ca(OH)2 is truly a by-product of hydration process. The presence of Ca(OH)2 is proportionate towards the presence of C3A content inside the cement. Therefore to decrease the Ca(OH)two content material in concrete, the C3A content material must be reduced inside the cement. One of the techniques to reduce the C3A content in cement is by replacing component of the cement with pozzolans (especially the slag). The pozzolanic material will react with Ca(OH)2 inside the mix, as a result reducing or often eliminating the chances of Ca(OH)two leaching out of concrete. Secondly Cheap Jerseys China Online , by adding pozzolanic material, the C3A content material is reduced, and for that reason it creates a lot lesser Ca(OH)2. This is how the pozzolanic material assists to reduce efflorescence.



There exists also yet another way of lowering (eliminating) efflorescence on concrete surface. If the calcium hydroxide can be converted into hydration product Cheap Jerseys China Free Shipping , then this may aid to lessen the efflorescence difficulty. One of the most beneficial hydration item in concrete may be the calcium silicate hydrate (C-S-H). As a result, a silicate should be introduced inthe concrete so that you can get the Ca(OH)two hydrated. The hydration between Ca(OH)two and silicates will produce C-S-H. Theoretically it sounds possible, but how and when to introduce the silicates is totally an additional dilemma to deal with.

Efflorescence has been one of the greatest headaches for the concrete product manufacturers. This is pretty essential for the architecture or aesthetic concrete item producers.



Efflorescence may be effortlessly explained as white deposits on the concrete surface. Yet Cheap Jerseys China Wholesale , there's a rather broad science behind this phenomenon. According to the literature, this condition occurs primarily in poorly constructed concrete. Poorly constructed concrete means the 1 with insufficient curing, and also the 1 with significant sum of pores or cracks.



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