wet film thickness by elcometer

coating thickness gauges - wet film thickness

It is important that a coating is applied to the correct thickness. Applying too much wet coating will not only waste time and money, but there is also a possibility of the coating cracking during the curing process. Too little coating and there is a chance that the substrate will not be sufficiently covered.

To control process variables, it is often desirable to measure whilst the film is still wet. Wet film measurements are also useful for systems where the dry film thickness can only be measured destructively.

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		Elcometer 3230 Wet Film Wheels Formally known as the Elcometer 120, the Elcometer 3230 wet film wheel consists of three circles. The central circle is of smaller diameter and is eccentric of the two outer circles. By rolling the gauge through a wet coating, the centre disc eventually touches the film. This point on the scale indicates the thickness. Various measurement ranges from 0 to 25µm - 0 to 3000µm (0 to 1mil - 0 to 40mils) are available.
		Elcometer 3230 Coil Coating Wet Film Wheels Similar to the Elcometer 3230 wet film wheels, but designed for use in the coil coating process. These coil coating wheels consist of three circles. The outer circles are knurled to allow measurements to be taken on slippery coatings or on fast moving substrates.
		Elcometer 112 & 3236 Hexagonal Wet Film Combs Precision formed in stainless steel to be long-lasting and reusable, these hexagonal wet film combs are supplied in a range of thicknesses and can measure up to a maximum thickness of 3000µm (120mils). This high upper value allows measurement of thick coatings which are difficult to test by other methods.
		Elcometer 112AL Punched Aluminium Wet Film Combs Being punched from Aluminium, the Elcometer 112AL is not as accurate as the high precision versions but it does provide a low cost alternative for measurement of wet film thickness.
		Elcometer 115 Wet Film Combs These reusable precision stainless steel combs are made to be long lasting. Available as either metric or imperial combs with thickness ranges up to a maximum of 1270?m or 50mils, the Elcometer 115 is manufactured to an accuracy of 5% or 2.5?m (0.01mil), whichever is the greater.
		Elcometer 3238 Long Edge Wet Film Combs These stainless steel combs are wire eroded to provide an accuracy of ±2.5µm (0.01mil) and are supplied with either Metric or Imperial measurements.
		Elcometer 154 Plastic Wet Film Combs Made from ABS plastic, the Elcometer 154 Wet Film Combs are designed to be used only once and kept as a record of wet film thickness measurement for your ISO or customer requirements. Both Metric and Imperial values are on the same comb, 50 to 800µm on one side, 2 to 32mils on the reverse.
		Elcometer 3233 Pfund Thickness Gauge This instrument consists of two concentric cylinders, one sliding inside the other. A spherical glass lens is fitted to the end of the central cylinder and when pressed into the wet film it leaves a trace. The diameter of this mark depends on the thickness of the coating.

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