News / efflock sample

• Apr 19, 2013

  Efflock testing: Boral Material Technical Services

       Photo showing Efflock testing samples in the first week of testing (very slight efflorescence is visible on the control samples without Efflock on the left). Efflock is currently undergoing independent testing at the Boral Laboratory in Baulkham Hills, Sydney. This test facility is the largest of it's type in the Southern Hemisphere and is well recognised. Efflorescence testing can take a little while to manifest, but I've just had word from the Senior Development Engineer, Tony Song, that they are beginning to observe more conclusive results, and Efflock does perform. As part of the testing, we have created...

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• Oct 27, 2012

  Efflock test with salt water samples

  We've put Efflock to the test with exactly what you should not do to concrete! Pictured are two samples of 4 sand: 1 cement each made with 140mls of straight sea water from Coogee Bay off the coast of Sydney. They have been cured and placed in a dish of water to test their water repellency. In the foreground is the Efflock sample. Even with salt water in the concrete mix there is clearly no wicking effect! Without water able to dissolve salts and free lime, efflorescence cannot occur.

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