Proofing Rod

The proofing drawdown bar is a manual coating tool used to evenly spread coating material onto a substrate to form a thin film. It is employed in laboratories to quickly simulate printing or coating effects, and to test the fluidity, hiding power, and color performance of coatings.
Selection
When selecting, consider the diameter of the applicator rod in relation to the wet film thickness. Stainless steel material ensures flatness, while the handle design affects grip stability. Match specifications based on substrate roughness and coating viscosity. For routine laboratory use, a range of 25–200 μm is typically selected.

Terms

Instruments

Using a formed pRoduction process, the film thickness is 47 microns, the application width is 250mm, and the 304 stainless steel material ensures durability and Spreader uniformity.

$ 157.00

Using formed pRoduction process, wet film thickness 4 microns, application width 250mm, can be equipped with a handle to achieve uniform force, improve Spreader effect.

$ 157.00

Using formed pRoduction process, the film thickness is 80μm, the application width is 300mm, and the accuracy is up to 0.1μm. It is suitable for the experimental environment with high film accuracy requirements.

$ 167.00

Using formed pRoduction process, wet film thickness 45.7μm, diaMeter 9.52mm, total length 400mm, application width 300mm, stainless steel material to ensure durability and accurate Spreader effect.

$ 167.00

Using 160 line metal anilox roller and rubber roller combination, print width 70mm, suitable for inks proofing, wet film thickness and the number of lines inversely proportional, proofing authenticity and easy to operate.

$ 267.00

Film thickness 96.0μm, bar diaMeter 9.5mm, formed pRoduction process, application width of 300mm, accuracy up to 0.1μm, suitable for a variety of inks scraping color.

$ 167.00

Pressure adjustable range -1 to + 1mm, proofing speed support 400-700rpm three-speed frequency conversion speed regulation, uniform ink time 15-800 seconds adjustable, fixed structure to ensure proofing Stability.

$ 4592.00

The extrusion molding process is used to ensure accuracy, providing 47 μm wet film thickness and 300mm application width, and the 50mm handheld design on both sides of the handle is convenient for manual operation. 304 stainless steel is durable and easy to clean.

$ 178.00

Adopt stainless steel corrosion wire-wound, Abrasion Resistance, film thickness 102.9μm, application width 300mm, suitable for laboratory film proofing.

$ 167.00

Ceramic roller structure, line number standard 600LPI can be customized 70-1200 lines, BCM range 1.6-5; drawdown blade, ceramic roller and other components can be individually adjusted left and right pressure, proofing speed 0-80 m/min adjustable, support material thickness 0.01-2 mm.

$ 8755.00

Adopt circular embossing method to improve the fit, the proofing speed is adjustable from 0-300rpm, equipped with High Accuracy Servo Motor and quick replacement anilox roller system, support a variety of gray scale customization.

$ 7335.00

Using formed process, wet film thickness 18μm, application width 300mm, 304 stainless steel material to ensure durability and accurate Spreader effect.

$ 178.00

Adapted diaMeter 16mm formed Metering Rod, the total length of 2000mm, through the special structure to correct the straightness of the Rod body, to ensure stable rotation and full contact with the substrate, improve the thickness control accuracy of Spreader.

$ 590.00

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

Equipped with rigid polyester board and foam rubber cushion, size 11x18cm, can absorb proofing pressure, improve Repeatability and proofing effect, suitable for a variety of substrate detection.

$ 178.00

Articles

Application of Gravure Printing Proofer in Water-based Ink Proofing and Pinhole Defect Evaluation
This article introduces how the gravure printability tester is used for water-based ink proofing and pinhole defect evaluation. Water-based inks are environmentally friendly but prone to tiny pinhole defects. The instrument enables standardized sample preparation and reduces human interference by controlling parameters such as cell depth and doctor blade angle.
Application of Flexographic Proofing Press in Evaluating Color Reproducibility of Flexographic Inks
This article primarily discusses the use of a flexographic proofer to evaluate the color reproducibility of flexographic inks. It introduces the role of the proofer in simulating production conditions and explains how to prepare samples by setting parameters such as pressure, speed, and anilox roll specifications.
The use of gravure proofing machines in the comprehensive evaluation of gravure ink printability and drying performance.
This article explores how a gravure proofing press can be used to comprehensively evaluate the printability and drying properties of gravure inks. The experiment tested the dot sharpness, transfer rate, and leveling properties of different inks using standard equipment, while recording drying times through the filter paper method and infrared temperature measurement.
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.
Flexographic proofing press is used for evaluating the printability of water-based inks on kraft paper.
This article explores the use of flexographic proofing printability testers to evaluate the printing performance of water-based inks on kraft paper. The instrument simulates actual printing conditions, enabling quantitative analysis of key parameters such as ink transfer rate, print contrast, and dot gain.
Ink proofer simulates printing effects for auxiliary detection.
The ink proofer simulates actual printing conditions such as pressure and speed to produce standard proof sheets, which assist in evaluating printing quality. It precisely controls parameters to ensure high consistency between the proof sheets and the actual printed materials.
Selection Comparison between Automatic and Manual Proofing Methods for Ink Proofing Machines
This article compares manual and automatic proofing methods for ink proofing machines. Manual proofing relies on the operator's experience, offering flexibility and lower initial costs, but it suffers from poor consistency, making it suitable for research and development or low-frequency usage.
The ink proofing machine's color development and ink distribution pressure are not set correctly, making the printed sample sheets unacceptable.
The ink proofer is crucial in printing quality control, as it ensures the even distribution of ink on materials by adjusting pressure. If the pressure is not properly calibrated, the proof may exhibit issues such as uneven color and inconsistent ink layer thickness, rendering it unsuitable as a reference for printing.