Check Powder Thickness Before Curing to Ensure Correct Cured Film Thickness DeFelsko - Powder Comb. Check Powder thickness with Powder Comb before curing to help ensure correctly cured film thickness the first time through the line. Avoid stripping and re-coating which can cause problems with adhesion and coating integrity. Ideal for set-up and quality control. Available in microns (metric) or mils (imperial). Versatility Works on a variety of part sizes, shapes and substrates such as metal, plastic, wood, glass, and more Quality Broad stand-offs on both sides of teeth help keep gage perpendicular to surface when measuringPrecision gage; manufactured to a tolerance ±5 microns or ±0.0002 inch Protective leather…
DeFelsko - Powder Comb. Check Powder thickness with Powder Comb before curing to help ensure correctly cured film thickness the first time through the line. Avoid stripping and re-coating which can cause problems with adhesion and coating integrity. Ideal for set-up and quality control. Available in microns (metric) or mils (imperial).
1. Push the Powder Comb perpendicularly into the dry powder so that the two stand-offs (end tabs) on both sides of the teeth rest firmly on the substrate.
2. Drag the Powder Comb along the surface of the coated part for at least 1 centimeter.
3. Remove the Powder Comb from the surface and examine the marks left in the powder.The powder thickness is between the highest numbered tooth which made a mark and has powder clinging to it, and the next highest tooth which left no mark and has no powder clinging to it.
Example: The 75 and 150 micron teeth both make lines and have powder clinging to them but the 225 mil tooth does not. The uncured powder thickness is determined to be between 150 and 225 microns. (see Tech Specs)
Note - Most powders cure to approximately 50% of their dry thickness. Marks left by the gage may affect the characteristics of the cured film.
What is Coating Thickness?
Coating thickness or dry film thickness (DFT) is an important variable that plays a role in product quality, process control, and cost control. Measurement of film thickness can be accomplished by selecting the best mil gage for the particular application.
Why Dry Film Thickness Measurement is Important
Dry film thickness (DFT) or coating thickness is arguably the single most important measurement made during the application and inspection of protective coatings. Coatings are designed to perform their intended function when applied within a tight DFT range as specified by the manufacturer. Correct thickness ensures optimum product performance. Even the most basic specification will require DFT to be measured.
The Measure of Quality
Regular film thickness measurement helps control material costs, manage application efficiency, maintain finish quality and ensure compliance with contract specifications. Paint manufacturers recommend target ranges to achieve optimum performance characteristics and clients expect these parameters to be met.
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