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Water Movement Through Acrylic Plastic¹

USDA, Mandan, North Dakota

D. R. Nielsen, Associate Professor of Irrigation and J. W. Biggar, Associate Irrigationist

University of California, Davis, respectively

ABSTRACT

Water movement through acrylic plastic was quantitatively determined. Measurements showed an average diffusion coefficient of 8 x 10^-6 cm²/sec for water through 0.053-, 0.129-, and 0.250-inch thick acrylic plastic. This amount of water movement through plastic is considered significant for some experimental work.

¹ Contribution from the Northern Plains Branch, Soil and Water Conservation Research Division, ARS, USDA, and the Department of Irrigation, University of California, Davis.

Received for publication March 1, 1965. Accepted for publication May 18, 1965.