Priming Solution Indicator

Brand Family Overview

ThermaGloss® overprint varnishes (OPVs) impart excellent gloss to preprinted linerboard. Coated linerboard passes through the corrugator without picking, softening or smearing. Superior heat resistance eliminates the need for hotplate temperature reduction.

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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

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.