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A concrete densifier is a chemical that fills pores and strengthens concrete surfaces. Learn how it works for polished and non-polished concrete, and what types of densifiers are available.
Learn what polished concrete is, how it is made, and its advantages and disadvantages. Explore the history of polished concrete from ancient times to modern days, and the different methods and techniques to achieve it.
A microhardness test for very brittle materials or thin sheets using a pyramidal diamond point. The test measures the indentation depth and load, and calculates the Knoop hardness value in kg f ⋅mm −2 or MPa.
Rapper Sean Kingston and his mother pleaded not guilty Monday to charges of defrauding multiple businesses of more than $1 million. Kingston, whose real name is Kisean Anderson, and his mother ...
Diamond is the hardest naturally occurring material because of its cubic lattice, in which each carbon atom has four neighbors covalently bonded to it. Diamond's hardness is directional, anisotropic, and dependent on the size and perfection of the crystal, as well as the type of tip used for testing.
Sealant is a substance used to block the passage of fluids through openings in materials, such as building construction, automotive and aerospace industries. Learn about the history, functions, properties and classification of sealants, and how they differ from adhesives.
Mike Tyson says it's 'hard to walk' With the fight two months away, Tyson said he recently sparred six rounds. He said that will increase to 10 rounds as he prepares for a bout scheduled for eight ...
Indentation hardness is the resistance of a material to plastic deformation under a load. Learn about different types of indentation tests, such as macro, micro and nanoindentation, and how they measure hardness and other properties.