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Date:2018-12-27 17:24     writer:admin     Views:

  Committed to Sustainability

  The United States cement industry is dedicated to manufacturing a superior product while constantly improving energy efficiency, minimizing emissions, and reducing environmental impacts.

  This Environmental Product Declaration (EPD) was developed to document the environmental impacts of

  our products. Inside, you will find ASTM-certified, ISO-compliant information on cement’s environmental footprint, including energy use and global warming potential. This is intended for business-to-business communication.

  Our goal is to balance society’s need for cement products with stewardship of the air, land, and water  along with conservation of energy and natural resources.

  Cement or Concrete?

  Cement is actually an ingredient of concrete. It is the fine powder that, when mixed with water, sand, and gravel or crushed stone, forms the rock-like mass known as concrete.

  Cement acts as the binding agent or glue. A chemical reaction called hydration is triggered when water and cement are mixed in the right proportions. This reaction causes the cement to harden and bind the aggregate into a solid mass.

  When freshly mixed, concrete can be molded into almost any form. Yet when hardened, its strength and durability often exceed that of natural stone.

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Active lime is produced from limestone dolomite chalk and other minerals with high calcium carbonate content by the calcination process under the temperature of 1000-1100 ° C. There are various processes for the active lime production mainly

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