Thin Layer Coating Film Applicator

The thin-layer coating film applicator evenly spreads liquid samples onto the substrate surface using a mechanical blade or roller, forming a film with controllable thickness. It is used in laboratories to simulate industrial coating processes, testing the leveling, hiding power, and drying characteristics of coatings and inks. It is suitable for verifying the coating quality of materials such as paper and plastic films.
Selection
When selecting, consider that the coating width should match the sample size, the coating thickness range should cover the testing requirements, and the substrate clamping method should adapt to different materials. Pay attention to the corrosion resistance of the blade material, and ensure the adjustability of the operating speed to guarantee uniform coating. Prioritize models that are easy to operate and have low maintenance costs, and refer to practical application cases to verify the stability of the equipment.

Terms

Standards

Instruments

Using a formed pRoduction process, the film Film thickness is as thin as 4.6μm, the accuracy is up to 0.1 micron, and the effective Spreader width is 30cm. It can be used with an automatic Film Applicator and has the advantage of continuous wire.

$ 186.00

Impact energy 3N, Impact device mass 75g, suitable for measurement of small or thin specimens and surface hardening layer, the minimum thickness can be measured 1mm and the minimum hardening layer depth 0.2mm.

$ 764.00

Equipped with 254nm and 365nm dual-wavelength ultraviolet light sources, it supports thin-layer analysis and paper-layer analysis, can identify fluorescent substances, and is equipped with a 200 * 50mm filter.

$ 198.00

Adopting a wire-wound process, with a wet film thickness of 9.1 microns and a coating width of 300mm, it is suitable for ultra-thin coating requirements, offering high precision and ease of operation.

$ 167.00

Adopting 500 * 700mm Dimensions, used with bar or Film Applicator, is conducive to the smooth and effective film, and improves the convenience of film operation.

$ 227.00

Made of stainless steel wear-resistant material, wet film thickness 41.1 μ m, application width 300mm, suitable for thin coating scraping test of soft materials, durable.

$ 160.00

The wet film thickness can be as low as 1.5μm to achieve ultra-thin Spreader; the bottom of the groove is wider, and the Coating Weight is larger; the extrusion process is adopted to avoid the problem of loose wire and broken wire, and it is easy to clean.

$ 477.00

Using extrusion process and chrome plating surface, the wet film thickness can be as low as 1.5 μ m, and the groove design is wide to improve the Coating Weight, which solves the problem of traditional steel wire loosening and cleaning difficulties, and realizes stable ultra-thin Spreader.

$ 477.00

Wire-wound pRoduction process, wet film thickness 41.1 μ m, application width 300mm, stainless steel wear-resistant material to ensure durability, especially suitable for soft material thin coating Spreader.

$ 186.00

The continuous groove structure is made by extrusion process, the thickness of Spreader is 0 μ m, the total length is 400mm and the application width is 300mm. 304 stainless steel is easy to clean.

$ 178.00

Coating speed 5~ 90mm/s adjustable, meyer Rod coating accuracy of +/- 0.001mm, using brushless DC motor drive, digital displacement control, suitable for ultra-thin film and High Accuracy Spreader needs.

$ 1122.00

Adopting the formed preparation 1.5μm wet-film, stainless steel material is durable and easy to clean, suitable for a variety of Coating and chemical fields, application width 60mm.

$ 120.00

Wet film thickness 1.5μm, formed pRoduction process and 304 stainless steel material, to ensure that the Spreader uniform durability, suitable for a variety of Coating application scenarios.

$ 178.00

Spreader width 100mm, wet film thickness 40μm, wear resistant corrosion resistant alloy steel material, can be manually operated or with automatic Film Applicator to ensure coating conformity and Repeatability.

$ 143.00

Using stainless steel material acid and alkali, wet film thickness 50μm accuracy +/- 2μm, suitable for flat and solid substrate coating different pRoducts, surface polishing.

$ 1406.00

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.
Standard Test Method for Measuring Optical Haze of Transparent Coated Films Using a Haze Meter
This article introduces the standard method for measuring the optical haze of transparent coated films using a haze meter. First, the instrument must be calibrated according to the standard, and the sample needs to be conditioned in a constant temperature and humidity environment. The measurement involves four steps, including air zeroing, measuring total transmission and scattered light flux, and finally calculating the haze value.
The effect of the substrate fixing method on coating uniformity in a vacuum adsorption blade coating tester.
This article discusses the impact of different substrate fixing methods on coating uniformity in a vacuum-assisted knife-over-roll coating tester. It compares four methods—vacuum adsorption, electrostatic adsorption, mechanical clamping, and adhesive fixing—focusing on their mechanical principles and limitations.
Comparison of Coating Accuracy between Laboratory Blade Coater and Slot Die Coater
This article compares the coating precision of blade coaters and slot-die coaters in the laboratory. Blade coaters are suitable for thick coatings, with simple operation but relatively large uniformity errors; slot-die coaters offer higher precision and better uniformity for thin coatings. The choice of equipment depends on coating thickness and precision requirements.
Laboratory blade coating machine is used for analyzing the film-forming characteristics of high-viscosity slurries.
This article analyzes the characteristics of a laboratory doctor blade coater for forming films from high-viscosity slurries. It focuses on the impact of slurry rheological properties on film formation quality.
Process optimization of heating coater in lithium battery electrode preparation
This article introduces process optimization methods for heating coaters in the preparation of lithium battery electrodes.
Effect of Different Coating Speeds on Film Thickness Consistency in an Adjustable Film Applicator
This paper studies the influence of coating speed of an adjustable film applicator on film thickness uniformity. In the experiment, the coating blade gap was fixed at 100 μm, and a resin solution with a viscosity of 200 mPa·s was used to prepare films at five speeds ranging from 10 to 80 mm/s, followed by thickness measurements.
The Stripe Issue Caused by Tension Fluctuations in Roll-to-Roll Laboratory Coaters and Its Solutions
This paper analyzes the causes of and countermeasures for coating streaks resulting from tension fluctuations in roll-to-roll laboratory coaters.
Analysis of Common Defects in Laboratory Coating Machine Blade Coating and Adjustment Methods for Process Parameters
This article introduces common defects in the blade coating process of laboratory coaters, such as streaks, orange peel, bubbles, uneven thickness, and missed coating. It analyzes the causes of these issues, which are primarily related to material properties, operating parameters, and environmental factors.
Application of Laboratory Scraper Heating Coating Machine in Hot Melt Adhesive Coating
This article introduces the application of a laboratory blade heating coating machine in hot melt adhesive coating. It first explains the coating process and principles, including three stages—heat conduction, fluid shear, and surface wetting—as well as the influence of temperature on adhesive viscosity.
Laboratory rod coater for submicron wet film preparation of photoresist.
This article introduces the process of using a laboratory bar coater to prepare submicron wet films of photoresist.
Application of Perovskite Coater in the Preparation of Intermediate Layers in Tandem Solar Cells
This article introduces the application of perovskite coating machines in the preparation of the intermediate layer of tandem solar cells.
Using a spray coater to achieve the preparation of functionally graded films.
This paper introduces a method for preparing functionally gradient films using a spray coating machine.
Application of Spray Coating Machines in the Encapsulation of Flexible Electronic Devices
This paper introduces the application of spray coating machines in the encapsulation of flexible electronic devices.
Roll-to-Roll Preparation of Perovskite Coaters for Flexible Perovskite Solar Cells
This article introduces the roll-to-roll fabrication method of flexible perovskite solar cells.