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Pressure measurement film

Prescale for High Temperature LLW

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Product name / Model: Prescale for High Temperature LLW
Size: 270mm×6m
Supported pressure measurement range: 0.5MPa～2.5MPa
Recommended temperature of applied heat: 180°C to 220°C (heat applied to both sides)
Precision: ±10% or less (measured using a densitometer)

Structure and principle

How Prescale works

The microcapsules in the color-forming layer are broken by pressure, and the colorless dye is absorbed into the color-developing layer. This causes a chemical reaction, which produces a red color.

Pressure chart

The pressure value can be confirmed visually by referring to a standard chart.

Example pressure chart for Medium Pressure (MW) Prescale

* This chart is for Medium Pressure (MW) Prescale and will differ from results for Prescale for High Temperature.

* Parts shown as dotted lines may exceed the allowable error range and should only be used as a reference.
* Curve A, B or C should be selected based on the applied heat.

How to use Prescale

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