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Film application

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Film application

Film application in coating industry includes a broad range of different devices and instruments which are an absolute necessity for testing or evaluation. Only in this way the quality-related properties required can be tested, compared, documented and communicated in compliance with the requirements.

Film application covers a range of instrume...

Film application in coating industry includes a broad range of different devices and instruments which are an absolute necessity for testing or evaluation. Only in this way the quality-related properties required can be tested, compared, documented and communicated in compliance with the requirements.

Film application covers a range of instruments that can be divided in four groups:

  • Applicators
  • Application tables
  • Application machines
  • Test charts
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Subcategories

  • Film Applicators

    Applicator types come as Bird, Baker, Wire Bar, Micrometer Casting Knife, Sag and Leveling, Stap Gap, Quadruplex, Octoplex, Hand Proofer etc.. The choice depends on specification or what one is accustomed to. Applicators vary in width, single or multiple gap, clearance in either microns or mils, hight adjustable or not, or wired in different sizes. The theoretical wet film thickness is etched onto every drawdown bar. The theoretical applied wet film thickness is roughly one-half the actual gap clearance. If you have a gap clearance of 60 micron, the theoretical wet film thickness etched on the bar applicator is 30 micron. Due to the many variables the drawdown is not guaranteed to the theoretical film thickness. Actual a variation of 50 to 90% in film thickness is possible depending on gap clearance. If the applicator is used manually variables in speed and movement can cause an uneven drawdown. In these cases we recommend an automatic film applicator.

  • Applicators for Sag and Levelling

    The TQC Sag and Levelling Film Applicator is a special film applicator with dual function. One side with 10 gaps from 75 to 300 micron to test the tendency to sag in relation to the film thickness.

  • Automatic film applicators

    To prepare samples for testing rheological properties, abrasion resistance, hiding power and gloss the TQC Automatic film applicator is a must have. To apply a uniform and reliable coating film onto test charts, panels or foils in order to eliminate variations caused by human factors a automatic film applicator is needed. Variations in speed, pressure and direction of draw down cause irregularities, those are elimminated by use of this type of applicator. Other factors that may influence the result are the shear rate and the weight of the applicator. With the automatic film applicator these variable factors are being stabilized. Over the complete surface the film thickness is even. The TQC automatic film applicator has all capabilities to use any kind of applicators on any kind of test panel on chart sizes A4, A5 and A6. A choice of glass table, vacuum table perforated or canaled table, speed and length adjustments are just a few features.

  • Application tables

    To apply a uniform film for examination a stable hard surface is needed to make a good drawdown on test charts with a high degree of reproducibility. The glass application tables are equipped with a strong clamp to hold down the charts and supplied with rubber top cover for use with specific applicators.

  • The TQC Sag and Levelling Film Applicator is a special film applicator with dual function. One side with 10 gaps from 75 to 300 micron to test the tendency to sag in relation to the film thickness. At the counter side 5 pairs of notches of increasing depth are made to create sets of two film stripes. The merging of the stripes can be evaluated to define...

  • Cylindrical film applicator with 4 application sides for applicating paint-films of 4 different pre-defined thicknesses. The Baker applicator’s are available in film width 60 mm and 80 mm and are suitable for applying a host of different products onto flat and relatively solid substrates. Since it’s made out of high-grade stainless steel, the Baker Film...

  • TQC Bird-type film applicator with flat edges. Four application sides for applying 4 different pre-defined thicknesses. The TQC Bird-type applicator is available in film width 50, 75 and 100mm and suitable for applying a host of different products onto flat and relatively solid substrates. The high-grade stainless steel will not be affected by acid or...

  • The TQC 4-Sided Film Applicator (Quadruplex) has four application sides to apply paint films with four different predefined thicknesses, in film width 60 or 80 mm. One side of the applicator is equipped with a removable lateral guidance support for straight application.  The high grade stainless steel will not be affected by acid or base elements. 

  • Multifunctional film applicator (Octoplex) with 8 pre-defined thickness sides for applying paint-films of: 25, 50, 75, 100, 125, 150, 175, 200 micron. Film width 60 mm. The high-grade stainless steel will not be affected by acid or base elements.

  • Adjustable Micrometer Film Applicator with stainless steel blade, aluminum frame and chrome thimbles and barrels. The detachable blade makes cleaning easy. Also, this Micrometer Film Applicator isn’t supplied with springs which can break, rust or get clogged.

  • TQC Wire bar applicator with a film width of 310 mm and available in ranges from 4 to 200 µmThe Wire bar or spiral bar / drawdown rod applicator is ideal for applying a film on thin materials such as sheets or plastic. Also works on flexible substrates, and with motorized film applicators*. The high-grade stainless steel will not be affected by acid or...

  • The TQC Motorised Automatic film applicator or drawdown machine provides a reliable basis to apply coating films and slurries to test charts, panels or foils in a uniform and reproducible way in order to eliminate variations caused by human factors. Variations in speed, pressure and direction of draw down cause irregularities. Other factors that may...

  • Grindometer tool to be used as an optional test tool for the TQC Automatic Film Applicators. This device allows the user to clamp a TQC grindometer scraper onto the TQC Automatic Film Applicator, to define the fineness of grind accurately and reproduciblely. 

  • A series of ultra-flat TQC Glass Film Application Tables, designed to draw down sample coatings on test charts with a high degree of reproducibility.The glass application tables are equipped with a strong clamp to hold down the charts and four rubber feet at the bottom to prevent the glass application table from slipping. 

  • Heated perforated vacuum table to be used to create smooth and consistent thin films of paint, lacquers and other materials on sample specimen such as opacity test charts, sample panels, foils or other flat substrates.The vacuum table is made of hard aluminium and anodized in hardcoat flat black to provide a durable and inert surface with an absolute...

  • A wide range of consistent test charts for testing physical properties of coating, lacquers and inks. Suitable for determining hiding power, opacity and spreading rate. They come in a variety of dimensions from DIN A6 up to and including DIN A4. All charts are film laminated for an excellent solvent and chemical resistance and an even film spread. On each...

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