Wet Film and Powder Coating

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Wet Film & Powder Thickness

Measuring coatings before they have cured can predict the final film thickness.

Applying too much coating not only wastes time and materials, it can also affect the performance and finish of the product. Too much wet film can cause the coating to crack as it cures; too little coating increases the risk that the substrate will not be sufficiently protected, leading to rust spots.

In the powder coating industry, ensuring the end product has the correct levels of adhesion and appearance is dependent on the thickness of the powder prior to the curing process. Too much powder can lead to poor adhesion, too little can lead to a discolouration and loss in gloss of the coating.

 

Wet Film Combs

Wide selection of wet film combs from long edge combs to hexagonal combs through to punched aluminium combs.

 

Elcometer 115 Wet Film Combs

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These reusable precision stainless steel combs are made to be long lasting and are supplied with either Metric or Imperial measurements.

Four separate thickness ranges are available up to a maximum of 1270µm / 50mils and are manufactured to an accuracy of 5% or 2.5µm (0.01mil), whichever is the greater.

Each comb has 10 measurement steps (teeth).

 

Elcometer 3238 Long Edge Wet Film Combs

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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.

Each comb has 24 measurement stages (teeth) providing a more accurate wet film thickness value.

 

Elcometer 112 & 3236 Hexagonal Wet Film Combs

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These hexagonal precision formed stainless steel wet film combs are long lasting and reusable and are supplied in a range of thicknesses measuring up to 3000µm (120mils).

These six sided combs vary in size, giving either 24 or 36 measurement steps, depending on the comb, providing increased accuracy.

Part Number Range Values
K0003236M201 20 – 370µm 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 150, 170, 190, 210, 230, 250, 270, 290, 310, 330, 350, 370µm
K0003236M202 25 – 2000µm 25, 50, 75, 100, 125, 150, 175, 200, 225, 250, 275, 300, 350, 400, 450, 500, 550, 600, 650, 700, 750, 800, 850, 900, 950, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900, 2000µm
B112—-1B 25 – 3000µm 25, 50, 75, 100, 125, 150, 175, 200, 225, 250, 275, 300, 350, 400, 450, 500, 550, 600, 650, 700, 750, 800, 850, 900, 1000, 1100, 1200, 1400, 1600, 1800, 2000, 2200, 2400, 2600, 2800, 3000µm
K0US3236M203 0.5 – 15mils 0.5, 0.75, 1.0, 1.25, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 8, 9, 10, 11, 12, 13, 14, 15mils
K0US3236M204 1 – 80mils 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 55, 60, 65, 70, 75, 80mils
B112—-2B 1 – 120mils 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 45, 50, 55, 60, 70, 80, 90, 100, 110, 120mils

 

Elcometer 112AL Punched Aluminium Wet Film Combs

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These punched aluminium combs offer the user a low cost method of measuring the wet film thickness.

The Elcometer 112AL, being punched from aluminium, is not as accurate as precision formed, stainless steel wet film combs and has a shorter lifespan.

Supplied in a pack of 10 combs, they have Metric units (25 – 3000µm) on one side and Imperial values (1 – 118mils) on the other.

 

Elcometer 154 Plastic Wet Film Combs

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The Elcometer 154 Wet Film Combs are made from ABS plastic and are designed to be used once and kept as a record of wet film thickness measurement for quality assurance or customer requirements.

Metric and Imperial values are on the same comb, 50 to 800µm on one side, 2 to 32mils on the other.

Supplied in a pack containing 500 combs. Each comb has 16 measurement steps.

 

Elcometer 3233 Pfund Thickness Gauge

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This instrument consists of two concentric cylinders, one sliding inside the other. A spherical glass lens, which has engraved measurements, is fitted to the end of the central cylinder and when pressed into the wet film, leaves a circular trace.

The diameter of the mark on the lens is measured and, using the supplied conversion table, the thickness of the coating can be easily assessed.

  • Ideal for measuring the thickness of wet translucent products such as varnish, oils etc
  • Measurement range of 2.25 – 360µm (0.09 – 14.17mils)

 

Wet Film Wheels

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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 Wet Film Wheels
  • Elcometer 3230 Coil Coating Wet Film Wheels

 

Powder Thickness Measurement

  • Elcometer 155 Uncured Powder Film Comb
  • Elcometer 550 Non-Contact Powder Thickness Gauge