Manual Coating Spreader

The film applicator evenly spreads liquid samples onto the substrate surface using an adjustable gap blade, forming a standardized wet film. It is used in laboratories to simulate industrial coating processes and to evaluate the leveling, hiding power, and film thickness consistency of coatings and inks. It is suitable for coating preparation and quality control on substrates such as paper, plastic, and metal.
Selection
When selecting a blade film applicators, consider the substrate type and size to match the coating width; choose an appropriate gap range based on sample viscosity; pay attention to the corrosion resistance of the blade material; ensure the mechanical structure is stable and free from shaking; verify the uniformity of film thickness after coating; and ensure compatibility with existing drying or testing equipment.

Terms

Instruments

Hold space at both ends, film thickness 15 microns, application width 300mm, 304 stainless steel material formed pRoduction process to ensure Spreader uniformity and durability.

$ 178.00

Spreader wet film thickness of 200 microns, groove design is not easy to block and easy to clean, to ensure the uniformity and accuracy of Spreader, support laboratory manual or Automatic Film Applicator.

$ 114.00

Spreader wet film thickness 120 μ m, groove design is not easy to block and easy to clean, Spreader accuracy is high, support manual Spreader and Automatic Film Applicator with use.

$ 99.00

The application width is more than 280mm, the thickness range of Spreader is 2um-1.1mm, and the manual drag is used to control the speed of Spreader to ensure the uniformity and accuracy of Spreader.

$ 6528.00

Both ends retain handheld space, film thickness 15 microns, application width 300mm, 304 stainless steel material, formed pRoduction process to ensure uniform coating.

$ 178.00

Using the formed pRoduction process, the wet film thickness is 6 microns, the accuracy is 0.5 microns, the cleaning is convenient and there is no worry of broken wire, to ensure the precision and durability of the coating prepative.

$ 120.00

Specific weight design to reduce uneven manual pressure, suitable for 60mm long bar, stainless steel material with hard chrome Eletroplating, easy to clean and no risk of wire loosening, support ultra-thin film Spreader.

$ 109.00

Spreader width 100mm, wet film thickness 80μm, high-quality wear-resistant corrosion-resistant alloy steel material, support manual or automatic film, can be prepared uniform film coating for performance testing.

$ 143.00

Wet film thickness 45 microns, application width 320mm, groove design is not easy to block and easy to clean, to ensure the uniformity and accuracy of Spreader, suitable for a variety of substrate Spreader applications.

$ 114.00

Spreader accuracy up to +/- 0.003mm, coating speed 5~ 180mm/s adjustable, through the control speed and stable pressure to ensure uniform Spreader, improve experimental repRoducibility, avoid manual operation differences.

$ 3301.00

150 line metal anilox roller and 70mm print width, quadrilateral pyramid mesh design to ensure uniform Spreader, proofing intuitive real, suitable for a variety of liquid Coating Spreader.

$ 267.00

Adopt clamshell type Blade Coating head design, easy to clean; Spreader accuracy up to +/- 0.003mm, film thickness control precision; coating speed stepless speed regulation, application length can be adjusted freely, suitable for High Accuracy Laboratory Moulding needs.

$ 6528.00

Made of wear-resistant and corrosion-resistant alloy steel, the effective Spreader width is 100mm, and the wet film thickness is 75μm. Coating thickness can be precisely controlled to ensure conformity and Repeatability, and manual or automatic film is supported.

$ 143.00

Using formed pRoduction process, wet film thickness 96μm, application width 250mm, 304 stainless steel material to ensure durability and accurate Spreader effect, suitable for laboratory precision Spreader needs.

$ 157.00

Spreader width 100mm, wet film thickness 500μm, high-quality wear-resistant corrosion-resistant alloy steel material, suitable for manual or automatic film, support non-standard customization to ensure uniform coating.

$ 143.00

Articles

Application of Two-Step Method with Pre-Coating and Fine-Coating in Eliminating Bubble Defects for Dual-Blade Coater
The dual-blade coater employs a two-step method of pre-coating and precision coating to eliminate bubble defects during the coating process. In the pre-coating stage, high shear force is applied to break the bubbles in the slurry, causing them to rupture and rise to the surface. The precision coating stage then precisely controls the coating thickness, removing any remaining bubbles to form a uniform wet film.
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.
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 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.
Wire rod Applicator: Principles, Applications, and Selection Guide - A Precision Coating Tool
This article provides a detailed introduction to the working principles of a Wire rod Applicator, including the mechanism by which it controls wet film thickness through the gap between stainless steel wires. It elaborates on its wide range of applications in fields such as coatings, inks, and lithium batteries, and summarizes its technical advantages, including precise control and ease of operation.