Fujifilm Prescale Film

Prescale allows you to easily measure pressure distribution and range. Created using Fujifilm’s advanced thin film coating technologies, the pressure inspection sensor on the entirety of the film allows you to confirm pressure distribution of the entire surface at a glance. The color appears red where pressure is applied, and the color density varies according to the amount of pressure. To cover a wide pressure range (0.05 – 300 MPa).

Additional information

Description

Fujifilm Prescale Film

Fujifilm Prescale film can precisely measure pressure, pressure distribution, and pressure balance. Red patches will appear on the film when pressure is applied and the color density changes according to the various pressure levels.

Features:
Easy visual check of distribution/uniformity for contact pressure
Contact pressure shown with differing concentrations of color can even be converted into numbers
Lower cost with no special devices or equipment required
Quick measurement gives an at-a-glance picture

Applications:
Smartphones and tablet computers industries
Automobile industries
Food and pharmaceutical industries

There are eight types of Fujifilm Prescale available to fulfill your varying pressure ranges. (7.25 PSI – 43,500 PSI) (0.05 – 300 MPa)

Structure of Prescale
There are two types of Prescale: the two-sheet type and the mono-sheet type. The two-sheet type is composed of two films of which are respectively coated with color-forming material and color-developing material. This type is used by placing the sides coated with the chemical agents over each other. The mono-sheet type is a film with a single base film with a coating of color-forming material and developer.

film structure

How Prescale works
The microcapsules in the color-forming layer are broken by pressure, and the colorless dye is absorbed into the developer, causing a chemical reaction to produce a red color. The microcapsules containing the color-forming material are adjusted to varying sizes and strengths, and is coated uniformly, producing a color density that corresponds to the amount of pressure.

Pressure chart
By checking the standard chart, the pressure value can be confirmed visually.

 

* The parts represented by the dotted lines may exceed the allowable error range, so it should only be used as a reference.

* Prescale is used by selecting curves A, B, or C depending on the temperature and humidity conditions.

* The measured pressure reaching time for continuous pressure of Ultra extreme low pressure (5LW), extreme low pressure (4LW), and ultra extreme low pressure (LLLW) is 5 seconds, and the measurement maintenance time is 2 minutes.

* Super high pressure (HHS) is only for continuous pressure.

How to use Prescale

pressure indicating film

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