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Wet film preparer, the difference between different shape types

The wet film preparer is a laboratory manual Film Applicator for the preparation of specific thin films. Unlike wire Bar Coaters, wet film preparers can coat thicker films, up to 5000 microns, and are more suitable for the preparation of high viscosity samples, less prone to scratches. Wire Bar Coaters are not suitable for knife coating high viscosity products. However, the precision of wet film preparation is not as high as that of wire rod coater, so it is generally recommended to choose wire rod for thin film.

Wet film preparers are divided into different types, including fixed preparers and adjustable preparers. According to different shapes, it is divided into single-sided, double-sided, four-sided, multi-sided, and different quantities of coating films can be prepared. The following pictures show different types of Wet Film Applicators through the real pictures taken by NBCHAO Mall.

First, this is an adjustable wet Film Applicator, which can control the thickness of the coating film from 0 to 5000 microns. By adjusting the two micrometers above to control the thickness of the coating film, it is divided into different coating film widths. There are 50mm, 100mm, 150mm, 200mm, and even 250mm.

Wet film Applicator, the difference between different shapes and types with Figure 1

Second, this is a four-sided applicator, but it is a frame structure with a hollow design in the middle, and it is applied by scraping on four sides.

Wet film Applicator, the difference between different shapes and types with Figure 2

Third, this is a relatively common type, a columnar Wet Film Applicator, which is also scraped on all sides. In the middle is a cylinder . The film thickness of the four sides is different.

Wet film Applicator, the difference between different shapes and types with Figure 3

Fourth, this is a bird-type single-sided Applicator, which can only make one-sided film and can only prepare one film thickness. According to different standards, it is divided into ISO and GB. The width of the coating is different, and the thickness of the coating film is the same.

Wet film Applicator, the difference between different shapes and types with Figure 4

Fifth, this is a square preparer, with four sides and two sides, and the volume is very small. It is also an optional supporting applicator for drying time Recorder.

Wet film Applicator, the difference between different shapes and types is shown in Figure 5

Sixth, this is also a single-sided preparer, which is relatively rare.

Wet film Applicator, the difference between different shapes and types is shown in Figure 6

Finally, a large collection of film coating equipment, a visual feast.

Wet film Applicator, the difference between different shapes and types with Figure 7

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