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Association/Organization in Washington, United States
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The Portland Cement Association (PCA), founded in 1916, is the premier policy, research, education, and market intelligence organization serving …

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Frequently asked questions

Q:
What is the difference between cement and concrete?
A:
Cement is a key ingredient of concrete, typically making up 10 to 15 percent of the concrete mix by volume. Portland cement and portland-limestone cement are the most...
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