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Concrete Glossary

Flash Set

Flash set is an abnormally rapid, premature stiffening of a concrete batch shortly after mixing, making it unworkable well before normal set time. It's typically caused by a chemical incompatibility in the cement and generally cannot be corrected by re-mixing or adding water.

Compiled by the Reborn Rental team, backed by our field engineers and dispatch staff working Denver-metro concrete washout and equipment rental jobs.

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