Coverage wire Rod

The hiding power applicator is a metal rod with engraved grooves, which forms wet films of varying thicknesses during coating. The hiding effect is observed after drying. It is used for testing the hiding power of paints and inks, evaluating hiding performance by comparing the minimum hiding thickness.
Selection
When selecting, consider the hardness of the wire rod material, the precision of the grooves, and the range of specifications. Stainless steel offers wear resistance, while tungsten carbide provides greater durability. Choose the wire diameter based on the viscosity of the test sample: wider grooves for high viscosity, and a range of 25–100 μm for conventional viscosity. Select the corresponding length to match the size of the substrate.

Terms

Instruments

Wet film thickness 22.9 microns, diaMeter 9.52 mm, the forming Rod uses an extrusion process to process continuous grooves, with no wire breakage and easy cleaning; the wire-wound Rod is based on the traditional principle, and there are differences in coating amount.

$ 167.00

Using wire-wound stainless steel wire structure, the film thickness is 100 microns, the total length is 375mm, and the application width is 255mm to ensure that the Spreader is uniform and firm, suitable for precision experimental operation.

$ 173.00

The wire-wound structure enables coating with a 171.5-micron thick film, while the stainless steel material ensures corrosion resistance and long-term durability. The 9.52mm diaMeter Rod body, combined with 1.91mm steel wire, ensures operational stability.

$ 167.00

Equipped with dual coating methods of wire rod and blade, with an infinitely adjustable coating speed of 1–300 mm/s, wire rod accuracy of ±0.001 mm, blade accuracy of ±0.003 mm, and optional heating and vacuum adsorption functions to meet coating requirements of various thicknesses.

$ 9433.00

Wire-wound structure ensures 0.1 micron High Accuracy, wet film thickness 50.3 μm, stainless steel material is durable and easy to clean, and the wide-Rod Film Applicator achieves uniform coating.

$ 160.00

A groove control film is formed on the smooth Rod body by extrusion process. The wear-resistant stainless steel material is not easy to break the wire and is easy to clean. The wet film thickness is 105.2 μ m and the application width is 300mm.

$ 167.00

Using 180 * 480mm size, with wire Rod or Film Applicator scraping ink, is conducive to the film flat and effective, improve film mass.

$ 122.00

Wire-wound design wet film thickness 11.4μm, wire diaMeter Φ 0.13mm, not easy to block and easy to clean, suitable for a variety of substrates, to achieve uniform Spreader and flexible thickness adjustment.

$ 525.00

Spreader speed 5~ 180mm/s stepless speed, wire Rod Spreader accuracy of +/- 0.001mm, standard High Accuracy imported wire Rod, support a variety of customized functions to meet different application needs.

$ 2655.00

Wire-wound design wet film thickness 9.1 μ m, steel wire diaMeter Φ 0.10mm, chrome-plated surface is easy to clean and prolong life, suitable for a variety of substrates, Spreader uniform and flexible.

$ 525.00

Utilizing a dual coating method with wire rod and doctor blade, the coating speed is adjustable from 1 to 300 mm/s with stepless speed control, ensuring high precision in film thickness control. Equipped with vacuum adsorption and heating functions, the temperature uniformity reaches ±1°C. The flip-top design facilitates easy cleaning.

$ 24279.00

A wet film of 148.6 μm can be prepared using a wire-wound process with a 1.65 mm wire diaMeter, ensuring accurate and durable coating while preventing wire breakage issues.

$ 167.00

Wire-wound design, wet film thickness of 102.9μm, wire diaMeter Φ 1.14mm, effective application width 1500mm, not easy to block and easy to clean, suitable for high viscosity coatings.

$ 719.00

Wire-wound design can achieve 80 micron wet film thickness, diaMeter 9 mm, total length 245 mm, suitable for comparison specimens, one Spreader can handle a variety of Coatings.

$ 157.00

Wire-wound process is prepared with 6.9 μm wet-film, and the diaMeter of the steel wire is only 0.08mm. If the hair is thin, seamless winding reduces the risk of broken wire, and is suitable for a variety of fluid Spreader applications.

$ 186.00

Articles

How to choose a laboratory coater? Which one should you buy: wire bar, scraper, or slot die?
This article introduces three methods for selecting laboratory coating machines: wire bar coating is suitable for low-viscosity coatings, offering low cost and simple operation; blade coating is ideal for medium-to-high viscosity slurries or those containing particles, with a wide range of film thickness control; slot-die coating provides the highest precision and is suitable for high-end applications such as electronic films.
The wire bar coater with heating and vacuum adsorption is used for the preparation of perovskite solar cell layers.
This article introduces a new technique for preparing the light-absorbing layer of perovskite solar cells: a wire-bar coater with heating and vacuum adsorption capabilities.
Key Points for Controlling Coating Longitudinal Uniformity with Manual Rod Coater Constant Speed Dragging Techniques
This article discusses how to control the longitudinal uniformity of the coating by dragging at a constant speed when using a manual wire rod coater. A constant-speed drag is crucial, as it directly determines the consistency of the wet film thickness.
Derivation and Validation of the Quantitative Relationship between Wire Diameter and Wet Film Thickness in Wire Wound Coating Bars
This paper investigates the relationship between the wire diameter in a wire-wound rod coater and the wet film thickness. Theoretically, under ideal conditions, the wet film thickness is approximately half of the wire diameter.
Actual Coating Thickness Deviation of Stainless Steel Wire Rod Coaters at Different Slurry Solid Contents
This article analyzes the actual coating thickness deviation of stainless steel wire rod coaters under different slurry solid contents. The study finds that the solid content of the slurry affects its viscosity and flowability, leading to deviations in the actual coating thickness from the theoretical value.
Coating film preparation techniques: comparison between wire-wound applicators and wet film preparators
This article compares two commonly used tools in laboratory coating film preparation: the wire rod coater and the wet film applicator.
The laboratory coating machine easily coats various aqueous and oily slurries.
The laboratory film applicator is a precision instrument used to prepare uniform coatings on substrates, primarily operating on the principle of a blade or wire-wound rod. It allows adjustment of parameters such as speed and pressure to control coating thickness.
How to achieve high uniformity in silver nanowire transparent conductive films through wire rod coating
This article introduces how to prepare uniform silver nanowire transparent conductive films using the wire rod coating technique. These films, which use silver nanowires as the conductive material, exhibit high transparency and conductivity, making them suitable for applications such as touch panels.
Common Troubleshooting for Wire Bar Coater: Solving Issues of Streaking and Uneven Thickness
This article mainly introduces solutions to two common faults in the operation of the wire rod coater—coating streaks and uneven coating thickness.
Blade Coating VS Wire Rod Coating: The Precision Battle and Selection Guide in the Lab
Blade coating and wire bar coating are two commonly used physical coating methods in laboratories. When selecting between them, factors such as material properties, target thickness, and experimental conditions must be considered. Both methods have their own advantages and can be flexibly chosen or used to validate each other based on specific requirements.
Application of Wire Bar Coater in the Preparation of Coating, Ink, and Printing Samples
A wire-wound rod coater is a laboratory tool used for preparing uniform wet film coatings on flat substrates, widely applied in the production of samples in the coatings, inks, and printing industries.
The working principle of laboratory wire rod coaters and methods for controlling coating thickness
The laboratory wire rod coater is a precision instrument used to prepare uniform, thickness-controllable wet film coatings on substrate surfaces. Its core components include a coating rod, a flat coating platform, clamps for securing the substrate, and a mechanical system that drives the coating rod to move at a constant speed.
Inventory of Laboratory Coating Instruments
Laboratory coating tools include gap coaters, wire rods, automatic coating machines, etc. What are the differences between them? This article will tell you!
The difference between a wire bar coater and a gap-type wet film applicator.
The wire-wound drawdown bar directly quantifies the coating through the gap between wires, making it suitable for thin coating preparation with high precision, particularly for low-viscosity fluids. In contrast, the gap-type wet film applicator indirectly controls film thickness through the groove depth, with the actual coating thickness significantly influenced by material properties, making it more suitable for high-viscosity coatings and thick film preparation.
The difference between a wire-wound rod coater and an extrusion coating rod
This article primarily compares the technical differences between wire-wound and extrusion coating rods. Although they are interchangeable in most scenarios, there are subtle variations in liquid loading capacity due to their distinct groove principles.