Priming Solution Indicator

Brand Family Overview

Micryl™ waterbased coatings offer water and grease resistance with exceptional flexo runnability. They are applied over ink as protective, rub-resistant finishes, and also used as low-cost, heat-resistant overprints for porous substrates.

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Priming solution indicator used to prove the presence of primer solution on the sheet. Yellow to orange liquid turning blue in presence of ILP and Sapphire coated substrates.


Indicator solution for primed paper substrates.

Physical Properties

These physical properties are typical but should not be considered specifications.

AppearanceYellow to orange liquid
Brookfield Viscosity (cps, mPa·s) <50
Spindle Number3

Site of Manufacture (and Product Code)


Application Data

1) Using a graduated eyedropper (pipette), dispense 10 drops of the indicator on the treated sheet. 2) Stream the indicator across the length and width of the sheet, including edges. Wait 30 seconds, then blot the excess with an absorbent towel. 3) Check color change to light blue, indicating the presence of the primer solution.


Ensure adequate ventilation. Keep away from open flames, hot surfaces and sources of ignition. Take precautionary measures against static discharges. To avoid ignition of vapors by static electricity discharge, all metal parts of the equipment must be grounded. Use only in an area containing flame proof equipment.