New Hampshire Code of Administrative Rules
Env - Department of Environmental Services
Subtitle Env-A - Air Related Programs (formerly designated as rules of Division of Air Resources.)
Chapter Env-A 4200 - ARCHITECTURAL AND INDUSTRIAL MAINTENANCE COATINGS
Part Env-A 4202 - DEFINITIONS
Section Env-A 4202.17 - Concrete surface retarder

Universal Citation: NH Admin Rules Env-A 4202.17
Current through Register No. 13, March 27, 2025

"Concrete surface retarder" means a mixture of retarding ingredients, such as extender pigments, primary pigments, resins, and solvents, that interacts chemically with the concrete to which it is applied to prevent hardening on the surface, allowing the retarded surface concrete to be washed away to create an exposed aggregate finish.

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