Added: 2 years ago
From: VOALearningEnglish
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  • Fire wood ash contains high carbon content. High carbon content is found to be detrimental to concrete. This specific rice hull ash unlike others contain 0% carbon and 95% SiO2 due to controlled incineration condition followed in the plant. Moreover, this specific rice hull ash is found to increase the strength and durability properties of concrete when used at correct replacement level. I m able to give you this information because I m the research student working in this project...Thanks

  • what if i used fire wood ash etc.. to add to Portland cement ? i am not a scientist but i have experimented many natural and some man made materials in mixing my cement .the result was very strong , fast setting material. just look around and you may find building material, most suitable ,strong and environmentally safer in your area.

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