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Pfund Wet Film Thickness Gauges

Art. No.: 14099

Pfund Wet Film Thickness Gauge

The Pfund Wet Film Thickness Gauge consists of a spherical convex surface which is forced through the wet paint layer. An oversized circular paint spot is formed on the glass lens, corresponding to the sum of the thicknesses of both the original undisturbed paint film and the displaced paint film that wets the glass. 

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  • Ideal for measuring the thickness of wet translucent products such as varnish, laquers and oils etc.
  • A simple 1:1 ratio has been assumed between these two variable thicknesses and used to construct the table furnished with the instrument.
  • Used to measure wet film thickness up to 14.2 mils (360 µm)
  • Conforms to ASTM D1212
  • The Pfund Paint Film Gauge is described in detail in “Physical and Chemical Examination of Paints, Varnishes, Lacquers, and Colors” by H.A. Gardner and G.G. Sward, 13th Edition, (1972). It’s also described under “Method B, Pfund Gauge”, in ASTM D 1212 “Measurement of Wet Film Thickness of Paint, Varnish, Lacquer, and Related Products”.

Technical Data Chart
Data
Diameter of Spot (mm)(mm)(mils)S. R. (sq. ft. per gal.)
3.002250.08918,088
4.004000.15710,175
5.006250.2466,512
6.009000.3544,522
7.012250.4833,321
8.016000.6302,543
9.020250.7972,009
10.025000.9841,628
11.030251.1821,345
12.036001.4181,130
13.042251.660963
14.049001.930830
15.056252.214723
16.064002.520636
17.072252.850563
18.081003.185502
19.090253.550460
20.100003.937407
21.110254.34369
22.121004.75336
23.132255.21307
24.144005.67282
25.156256.15260
26.169006.66241
27.182257.16223
28.196007.71207
29.210258.28193
30.225008.85180
32.2560010.04158
34.2890011.38141
36.3240012.75125
38.3610014.21113