Paper Wire Rod Coater

The wire rod Coater forms a quantitative wet film by rolling a metal rod wound with stainless steel wire on the paper surface. It is used in laboratories to simulate coating processes and test the uniformity of coating coverage. It is suitable for research and development as well as quality control in the paper industry.

Instruments

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

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

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

Wire-wound design, film thickness 120 microns, total length 37.5cm, effective application width 25.5cm, stainless steel material to ensure durability and uniform Spreader.

$ 173.00

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

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

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

Wire-wound structure, wet film thickness 4μm, diaMeter 12.7mm, total length 585mm, wire diaMeter 0.05mm, stainless steel material to ensure durability and precise coating control.

$ 212.00

Wire-wound process to achieve 40μm wet film thickness, one operation can simultaneously Spreader two or more Coatings, matching Drawdown Plate to improve Spreader repRoducibility, suitable for soft to strong all kinds of substrates.

$ 157.00

Using a wire-wound coating process, with a wet film thickness of 32.0 μm and a coating width of 300 mm, it is suitable for substrates prone to curling and convexity, enabling uniform wet film coating, with a wire diaMeter of 0.36 mm.

$ 167.00

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

Articles

Extended Application of Paper Water Absorption Tester in the Dispersibility Evaluation of Tissue Paper
This article explores how to extend the application of an instrument originally used for testing the water absorption capacity of paper to evaluate the dispersibility of tissue paper.
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.
Short Span Compression Strength (SCT) Tester for Analyzing Paper Compression Resistance
The short-span compressive strength (SCT) tester is used to measure the resistance of materials such as paper and cardboard to compression over a short distance, primarily following international standards such as ISO 9895.
IGT Printability Tester Evaluates Paper Surface Pick Resistance
This article introduces how to use the IGT printability tester to evaluate the surface pick resistance of paper. Picking refers to the phenomenon where the tack force of the ink is too high during printing, causing the surface fibers of the paper to be lifted, which affects print quality.
Internal Bond Strength Scott Tester for evaluating interlayer bonding force of paper.
This article introduces the method of evaluating the interlayer bonding strength of paper using a Scott tester. The interlayer bonding strength affects the printing and mechanical properties of paper. During testing, the instrument peels the paper vertically through an adhesive test head, records the energy required for separation, and calculates the internal bond strength.
Tensile strength testing machine measures the tensile properties of paper.
The tensile strength tester is used to determine the tensile properties of paper by simulating the stretching process to obtain key parameters such as tensile strength and elongation at break. The testing follows standards such as ISO and GB to ensure reliable results.
Paper Whiteness Tester Measures CIE Whiteness
This article explains how a paper whiteness meter measures CIE whiteness. Whiteness is a crucial optical indicator for evaluating paper quality. Traditional methods rely on subjective judgment, while modern instruments provide objective data by simulating standard lighting conditions.
Glossmeter 75-degree angle measurement for paper gloss
This article introduces the principle and method of measuring paper gloss using a 75-degree specular gloss meter. Gloss is defined as the ratio of the light reflected from the paper surface to that reflected from a standard reference plate, with the 75-degree angle commonly used for measuring medium to high gloss papers.
Sheffield Smoothness Tester for Analyzing Paper Printing Surface
This article introduces how the Sheffield smoothness tester analyzes the printing surface of paper. The instrument quantifies paper smoothness by measuring the air leakage time, with a longer time indicating a smoother surface.
Schopper air permeability tester measures paper air permeability.
The Schopper air permeability tester measures the air permeability of paper based on Poiseuille's law, calculating the permeability by either the air flow rate under a constant pressure difference or the pressure difference at a fixed flow rate.
Cobb Absorbency Tester Evaluates Paper Water Absorption Capacity
The Cobb water absorption tester is used to measure the water absorption capacity of paper or cardboard by simulating the liquid contact process and calculating the mass of water absorbed per unit area to determine the Cobb value.
Paper Thickness Gauge for Determining Paper Thickness and Apparent Density
This article explains how to measure paper thickness and apparent density using a paper thickness gauge. Thickness refers to the vertical distance between the two sides of paper under standard pressure, while apparent density is calculated by dividing the basis weight by the thickness, reflecting the compactness of the paper.
Contact angle measuring instrument measures the surface wettability of paper.
The contact angle goniometer evaluates wettability by measuring the contact angle of a liquid droplet on the surface of paper, based on the principle of Young's equation. The static drop method is commonly used for measurement, requiring control over sample flatness, environmental conditions, and droplet volume, while also considering the influence of surface roughness.