Scraper blade

The drawdown rod is a tool used in printing and coating testing for uniform application. It manually or mechanically spreads a sample onto a substrate to form a thin film. The principle relies on controlling the gap between the blade and the substrate to determine the coating thickness. Its purpose is to simulate actual coating processes, testing ink opacity, color uniformity, or coating performance. It is commonly used in laboratory quality control, printability assessment, and material research and development.
Selection
When selecting a scraper blade, consider the substrate type and testing requirements. Use elastic blades for rough surfaces and rigid materials for smooth surfaces. Coating thickness is determined by the blade gap, with smaller gaps suitable for thin coatings. Adjust the blade shape based on sample viscosity, with wedge-shaped designs preferred for high-viscosity samples. For environmental resistance, use stainless steel or plastic materials for chemical samples. Ensure the blade size matches the substrate width to avoid edge leakage.

Terms

Instruments

The kit can realize automatic grinding fineness Gauge operation, improve test Repeatability, suitable for standard scraper fineness Meter supporting use, simplify the experimental process.

$ 1623.00

A wet film with a film thickness of 50~ 675 μ m was prepared by using a coating scraper, and the sag property was observed when placed vertically. The maximum thickness without sag was expressed, which was suitable for Paints testing.

$ 411.00

Adopt high-quality alloy steel scraper, Hardness and wear resistance and corrosion resistance; Magnetic suction design for quick replacement and cleaning; Film Film thickness 0~ 4500 μ m free adjustment, resolution up to 10 μ m, error only +/- 2 μ m.

$ 291.00

Using removable scraper and vacuum adsorption system, Spreader accuracy +/- 0.003mm, Spreader rate 5~ 180mm/s, heating temperature up to 180 ℃, improve film Stability and uniformity.

$ 7496.00

Adopt removable scraper for easy cleaning and replacement, with bracket design to improve running Stability; Spreader accuracy of +/- 0.003mm, Film thickness range of 0~ 10mm adjustable, effective Spreader area of 400 * 300mm, through stepless speed control to ensure uniform Spreader.

$ 2333.00

High-quality alloy steel scraper, Hardness and wear resistance and corrosion resistance, Film thickness adjustment range 0-4500 μ m, magnetic suction design for quick replacement and cleaning, differential head accuracy of +/- 2 μ m to ensure uniform and stable film.

$ 251.00

Spreader width 250mm, wet film thickness adjustment range 0-4500μm, scraper error +/- 2μm, High Accuracy Differential Head Control to meet the needs of various materials Moulding.

$ 340.00

High-quality alloy steel scraper accuracy of +/- 2μm, magnetic suction design for easy cleaning and replacement, Film thickness adjustment range of 0-4500μm to meet the needs of different materials Moulding, acid and alkali corrosion bracket to ensure long-term stable use.

$ 315.00

Equipped with 0.5/0 7/1.0 mm three thickness die frame, using baseplate fixed structure to ensure film uniformity, metal drawdown blade design to meet long-term use needs.

$ 157.00

The scraping speed is adjustable from 10-100mm/s, and the drawdown blade load 1.75-6 kg is adjustable. It is used with High Accuracy GrindoMeter to avoid personnel operation errors and improve test conformity.

$ 1364.00

Imported wire Rod to achieve 1 μ m High Accuracy Spreader, scraper Spreader Film thickness range of 0~ 5000 μ m, support 5~ 200mm/s stepless speed control and vacuum adsorption fixation, effectively improve film conformity and operation convenience.

$ 3494.00

Effective Spreader width 300mm, suitable for all kinds of scraper type Film Applicators, to ensure the uniformity of Spreader, improve the film accuracy and conformity in the experiment or pRoduction.

$ 235.00

With bar and Drawdown blade two Spreader mode, using clamshell Drawdown blade head and new bar Installation method, easy to clean. Spreader speed and length can be freely adjusted, film thickness control accuracy is high, suitable for Glass, cardboard and other substrates.

$ 2978.00

The magnetic suction removable drawdown blade structure is easy to clean, the film thickness range is adjustable from 0 to 5000 μm, the drawdown blade accuracy is up to +/- 2 μm, and the hard aluminum oxide frame is lightweight, wear-resistant and corrosion-resistant.

$ 977.00

Servo motor to ensure stable operation, film accuracy of +/- 0.003mm, support 1~ 300mm/s stepless speed regulation and Vacuum chuck fixed, clamshell drawdown blade for quick cleaning and maintenance.

$ 4108.00

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