Sag flow Applicator

The sagging preparer forms a wet film of decreasing thickness on the substrate through a scraping method, simulating the flow behavior of coatings during vertical surface application. Its function is to evaluate the sag resistance of coatings, preventing sagging or marks caused by excessive coating thickness. Applications include laboratory quality control, coating formula adjustment, and construction performance verification to ensure coating uniformity and appearance consistency.
Selection
When selecting a sag applicator, it is important to consider the compatibility between the groove specifications and the viscosity of the coating being tested. Stainless steel construction ensures durability, while the design of the operating handle affects the smoothness of the application. Verify that the calibrated thickness range covers common testing requirements, and ensure the overall structure is easy to clean and maintain. Refer to industry standards to validate the instrument's compatibility, ensuring test results are comparable.

Terms

Standards

Instruments

Spreader 5 kinds of film thickness, the other side of the test sag cover 10 kinds of thickness 75-300 microns, stainless steel material acid and alkali resistance, in line with ASTM standards, easy to accurately evaluate film performance.

$ 1432.00

Dual function design can test leveling and sag at the same time, flow plane supports 5 kinds of film thickness Spreader, flow surface provides 10 kinds of film thickness range 75-300 micron, stainless steel material is acid and alkali resistant, in line with ASTM D4400 and D2801 standards.

$ 1248.00

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

Film thickness range 650~ 875 μ m, Graduation 25 μ m, stainless steel material, Dimension 120 * 22 * 20mm, suitable for the determination of relative sag of Paints.

$ 154.00

Made of stainless steel, the film thickness range is 250~ 475μm, Graduation 25μm, Dimension 120 * 22 * 20mm, suitable for standard sag performance testing.

$ 154.00

S136 high grade stainless steel material, corrosion resistance and Hardness, film thickness range 850~ 1075μm, Spreader width 73.5mm, multi-range optional, clear scale, suitable for vertical surface flowability and vertical flow performance evaluation.

$ 173.00

The multi-groove coating scraper can scrape 10 wet-films of different thicknesses at one time, the thickness difference of adjacent films is 25um, and the wide film thickness range of 50-675um is supported. It is convenient to visually observe the sag situation by placing the test plate vertically.

$ 315.00

The stainless steel material ensures durability, the film thickness range is 450~ 675 μm, and the groove difference is 25 μm, which is convenient for accurate determination of Coating sag on site.

$ 154.00

S136 high grade stainless steel material, corrosion resistance and Hardness, film thickness range of 250~ 475μm, Spreader width of 73.5mm, suitable for a variety of ranges, clear and easy to read scale.

$ 173.00

The device can pRoduce 10 different film thickness stripes, film thickness range 250-475μm, Graduation 25μm, suitable for vertical position testing, to help evaluate coating sag tendency and ensure stable test conditions.

$ 157.00

S136 stainless steel material, corrosion resistance and high Hardness, film thickness range of 450~ 675 μ m, Spreader width of 73.5mm, suitable for multi-range testing, clear scale easy to observe sagging phenomenon.

$ 173.00

S136 stainless steel material, corrosion resistance and high Hardness; film thickness range 50-275μm, Spreader width 73.5mm, support multi-range optional, clear scale, easy to accurately determine Coating vertical flow performance.

$ 173.00

Measuring wet-film flow thickening in the vertical state, controlling the physical performance of the coating to select the appropriate wet film thickness to ensure uniform film thickness, Film thickness range 450-675μm, in line with GB/T 9264 and ASTM D 3730 standards.

$ 146.00

Pure white paper surface sealed, size 194x286mm, ASTM standard, support hiding power measurement and levelling sag test, matching Applicator Rod can obtain uniform coating results.

$ 307.00

Made of wear-resistant and corrosion-resistant alloy steel to ensure durability and accuracy, film Film thickness range 850~ 1075μm, adjacent film thickness difference of 25μm, suitable for vertical, corner, round hole, arc workpiece painting control.

$ 146.00

Articles

Wet film applicator for applying color paint to a specified wet film thickness.
A wet film applicator is a laboratory tool used to apply a predetermined thickness of wet paint film onto a flat substrate, providing the foundation for subsequent dry film performance testing.
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This article explores the alignment accuracy control when using a four-sided preparator in conjunction with an automatic coating machine. Alignment accuracy directly affects the uniformity of the coating and the reliability of detection.
Film applicator standardized preparation of test samples.
The film applicator is a crucial tool in fields such as coatings and inks for preparing test samples, ensuring uniform thickness and a smooth surface through standardized operations. The article introduces its scraping-based working principle and the selection between manual and automatic types.
Sag resistance and leveling in constructability evaluation
This article primarily discusses how to balance the two key properties of sag resistance and leveling during the application of materials such as coatings and adhesives. Sag resistance refers to the material's ability to resist sagging due to gravity on vertical surfaces, while leveling refers to the material's ability to automatically smooth out its surface after application.
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This article compares two commonly used tools in laboratory coating film preparation: the wire rod coater and the wet film applicator.
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This article primarily discusses the parameter setting techniques for high-viscosity slurries on blade coaters. High-viscosity slurries exhibit characteristics such as shear thinning, so it is essential to leverage shear effects during coating to facilitate slurry spreading. After coating, the viscosity should recover quickly to prevent sagging.
The importance of maintaining a constant speed when using a wet film applicator for coating.
When using a wet film applicator, maintaining a constant speed during the scraping process is crucial for coating uniformity. The scraping speed directly affects the wet film thickness, and fluctuations in speed can lead to defects such as streaks and uneven thickness, compromising the repeatability and accuracy of experimental results.
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.