Chromatography Plate Coater

The chromatographic plate Coater evenly applies a stationary phase slurry onto glass plates or aluminum foil substrates through mechanical or manual means, forming a thin-layer chromatography separation carrier. Its function is to prepare chromatographic plates for the separation and analysis of substances. It is used in laboratory thin-layer chromatography sample pretreatment, chemical quality inspection, and rapid screening of drug components.
Selection
When selecting a chromatographic plate Coater, it is essential to consider the compatibility between the coating thickness range and the substrate dimensions, while paying attention to the flatness of the blade and the stability of speed adjustment. Priority should be given to components made of corrosion-resistant materials. Choose between manual or automatic models based on daily sample throughput, and verify the uniformity of coating data. Refer to feedback from similar laboratories and ensure that maintenance accessories are complete.

Terms

Instruments

The Spin Coater is controlled by touch screen, the acceleration range is 100~ 4000rpm/s, and the speed can be automatically corrected by A/K selection. The motor torque is large and the operation is smooth, which is suitable for the assembly line process.

$ 2494.00

Using rigid polyester plate with foam rubber cushion, size 240x340mm, can absorb operating pressure, improve proofing Repeatability and uniformity, suitable for a variety of substrate testing.

$ 249.00

The total film width of 90mm is divided into 10 gaps, the depth is gradually increased by 25μm, and the spacing is 1.5mm. The removable guide plate design is easy to operate on different thickness test panels.

$ 1714.00

Using brushless DC motor to achieve stepless speed regulation of 0~ 2000rpm, aluminum alloy heating plate Power 600W rises rapidly, temperature control accuracy +/- 1 ℃, heating plate temperature can be directly set and with safety restrictions.

$ 273.00

Designed with 90mm application width and 25μm Graduation, with removable guide plate to ensure direct stretching, the sagging index is assessed through 10 aliquots, meeting ASTM standards.

$ 1714.00

Four-speed proofing speed is optional, up to 45m/min, using flat engraving plate for direct printing, supporting 95 × 149mm concave sample range, suitable for fast proofing of flexible substrates.

$ 4108.00

Grinding hard chrome metal pressure plate, adjustable temperature range -10~ 80 ℃, equipped with 10 point temperature transducer, through drying air flow to prevent condensation, ensure test repeatability, in line with a number of international standards.

$ 43671.00

Using electromagnetic force equilibrating Sensor, accuracy of 0.01mN/m, support platinum plate and platinum ring method, automatic measurement without calculation, real-time display Linear dispersion and save the results.

$ 2029.00

Equipped with 0.4ml × 96 well coagulation plate, Oscillation Frequency from start to 3000rpm, swing amplitude 6mm, support timing function, suitable for uniform mixing of trace samples.

$ 149.00

Adopting double roll extrusion method, Spreader Film thickness range 0.3-10 mm adjustable, accuracy up to +/- 0.05mm, equipped with handwheel adjustment and dial indicator display, dip plate is 304 stainless steel material.

$ 4108.00

Impact method is adopted, the maximum thickness of test plate is 125mm, built-in bubble level and height limit ring, drop weight mass 1000g, punch diaMeter 20mm, die base aperture 27mm.

$ 4267.00

Using copper plate platform and long-life heating tube, PID intelligent temperature control accuracy +/- 1 ℃, rapid heating to 200 ℃ only 10 minutes, suitable for a variety of Resin materials gel time determination.

$ 509.00

The demoulding frame design effectively reduces the accumulation of edge paints, is equipped with 4mm suspension hole to achieve non-marking vertical horizontal suspension, 0.8mm steel plate substrate to ensure test Stability, PE protective film to prevent transportation damage.

$ 481.00

Using the principle of polarized light interference, equipped with 560nm full-wave plate, determinable or semi-Basis Weight measurement of internal stress, the aperture of the polarizer is 150mm, which supports continuous and rapid analysis of transparent materials.

$ 677.00

Using metal layer plate structure, Temperature range -7~ 70 ℃, support 13 point temperature measurement, can simultaneously Spreader 6 samples, through drying air flow and layer temperature to achieve accurate film formation detection.

$ 3704.00

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.