Hand-held small coater

The handheld small Coater forms a uniform wet film on the substrate surface through an adjustable gap blade, simulating coating processes in the laboratory. During operation, the substrate is fixed, and the coating is applied at a constant speed to prepare coating samples for testing. It is suitable for detecting the hiding power and leveling properties of inks and paints.
Selection
When selecting, consider the compatibility between substrate thickness and coating width, the wear resistance of stainless steel blades, the impact of gap adjustment accuracy on coating thickness, the influence of handle structure on operational stability, and the correlation between cleaning convenience and maintenance costs.

Terms

Instruments

Adopt 0-3000rpm stepless speed regulation, Processing capacity 10-100L, with full explosion-proof structure and hand lifting system, suitable for dispersing and mixing of high viscosity materials.

$ 1661.00

It is designed with 22mm outer diaMeter and 8mm internal thread diaMeter, and the length is 107mm, which can handle 0.1-5 ml trace samples, and is suitable for handheld devices for easy operation.

$ 199.00

It adopts 22mm large head outer diaMeter and 8mm internal thread aperture design, length 101mm, Processing capacity range 5-100ml, suitable for handheld devices to achieve stable ultrasonic processing.

$ 199.00

Measurement range 0.5~ 19999RPM, accuracy +/- (0.05% + 1 word), support contact measurement and data locking function, sampling Frequency 0.8 seconds, equipped with multi-Probe and LCD backlight display.

$ 92.00

Pin Travel 0-2.5 mm, Measurement range 20-90HD, error +/- 1HD, weight only 0.16kg easy to carry, can be used with racks or handheld to meet different testing needs.

$ 175.00

Adopt hand-crank mechanical pressurization method, Heating power 650W, Mold sleeve specification < 40mm, suitable for small or irregular samples, support thermosetting material inlay.

$ 649.00

Hydraulic system measurement coating adhesion, accuracy +/- 1% full scale, optional 10-50mm kit, self-positioning characteristics on smooth rough surfaces do not affect the results, Portable design without external power supply.

$ 1468.00

Travel 0-2.5 mm, measurement error +/- 1HA, can be used with a rack or hand-held operation to meet the requirements of standard test pieces and field object Hardness measurement.

$ 135.00

Using a formed pRoduction process, the wet film thickness is 52 microns, the application width is 300 mm, and the stainless steel material ensures durability and easy cleaning, suitable for hand-held operation.

$ 178.00

Travel range of pressure needle 0~ 2.5mm, measurement error +/- 1HAO, suitable for low Hardness rubber and sponge materials, can be hand-held or installed on a fixed load measuring rack.

$ 525.00

Suitable for medium Hardness rubber, thermal plasticity resilience and other materials, Measurement range 0-100HB, can be hand-held or matched with a fixed load test bench to ensure stable measurement.

$ 183.00

The pressure spring constant linear relationship, pressure needle Travel 0-2.5 mm, measurement error +/- 1HC, can be hand-held or installed measuring frame, suitable for shoe microporous hardness of materials testing.

$ 251.00

Double groove structure with graded slope design, Measurement accuracy of +/- 2 microns, wear-resistant and anti-corrosion stainless steel material, hand-held operation, suitable for rapid detection of various material fineness.

$ 1086.00

Using aluminum alloy material, filter diaMeter 4mm, viscosity measurement range 34-135cSt, in line with international standards design, hand-held immersion operation is simple, suitable for laboratory accurate measurement.

$ 432.00

Suitable for medium Hardness rubber, thermal plasticity resilience and other materials, Measurement range 0-100HDO, Indication Error ≤ +/- 1HDO, can be hand-held or matched with fixed load test bench, flexible operation.

$ 183.00

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.