Method of and apparatus for measuring the amount of coating mate

Details Method of and apparatus for measuring the amount of coating mate Method of and apparatus for measuring the amount of coating mate

1974-01-02

1976-02-03

Smith, Alfred E.

Electricity: measuring and testing

Determining nonelectric properties by measuring electric...

Erosion

324 65R, 324 30R, G01N 2700, G01R 2702

Patent

active

039367380

ABSTRACT:
The conductivity and temperature of a coating material before application to a substrate are measured. The overall conductance and the elevated temperature of the coating material after application to the substrate are also measured. A temperature corrected conductivity is then determined from the measured conductivity and the temperature differential between the coating material before and after application to the substrate. Measured overall conductance is then divided by the corrected conductivity to determine the thickness. In addition, the dry weight of the coating may be determined by multiplying the thickness times the density of the coating material times the fractional solids weight.

REFERENCES:
patent: 2008046 (1935-07-01), Snelling
patent: 3043993 (1962-07-01), Maltby
patent: 3358223 (1967-12-01), Birnstingl
patent: 3746975 (1973-07-01), Maltby

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