How to Measure Wet Film Thickness using Elcometer Wet Film Combs

This is how to measure wet film thickness using a wet film thickness gauge, also known as a wet film comb.
Wet film combs measure wet film thickness, and are available in a variety of materials including stainless steel, aluminium and plastic, with various measurement scales ranging from 20µm to 3000µm.
How to measure wet film thickness using a wet film comb: place a comb perpendicular to and touching the substrate. Hold the comb in position and wait a few seconds until the teeth are wet. Remove the comb from the film. The wet film thickness lies between the biggest value ‘coated’ or ‘wet’ tooth and the smallest value ‘uncoated’ or ‘dry’ tooth.
Elcometer offer a wide range of wet film combs to measure wet film thickness. For more information on Elcometer wet film combs, please contact Elcometer at [e-mail] or visit our website at www.elcometer.com
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STANDARDS:
Elcometer 112AL, 112 & 3236 Hexagonal Wet Film Combs:
ASTM D 4414-A, AS/NZS 1580.107.3, BS 3900-C5-7B, ISO 2808-1A, ISO 2808-7B, JIS K 5600-1-7, NF T30-125, US NAVY PPI 63101-000, US NAVY NSI 009-32
Elcometer 115 Wet Film Combs:
ASTM D 4414-A, AS/NZS 1580.107.3, BS 3900-C5-7B, ISO 2808-1A, ISO 2808-7B, JIS K 5600-1-7, NF T30-125, US NAVY PPI 63101-000, US NAVY NSI 009-32
Elcometer 3238 Long Edge Wet Film Combs:
ASTM D 4414-A, AS/NZS 1580.107.3, BS 3900-C5-7B, ISO 2808-1A, ISO 2808-7B, JIS K 5600-1-7, NF T30-125, US NAVY PPI 63101-000, US NAVY NSI 009-32
Elcometer 154 Plastic Wet Film Combs:
BS 3900-C5-7B, ISO 2808-1A, ISO 2808-7B, JIS K 5600-1-7, NF T30-125