Topaz 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.

See more ThermaGloss products.


An indicator designed to measure the uniformity of the coated substrate.


Indicator solution for Topaz primed sheet substrates

Physical Properties

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

AppearanceBluish liquid

Site of Manufacture (and Product Code)


Application Data

1. Soak a cotton pad with Topaz Indicator solution. 2. Wipe gently across the web on both the coated and non-coated areas of the sheet. The streak should be bluish and consistent in the applied area, showing a contrast with the non-coated area. 3. Color uniformity indicates the application uniformity level.


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. Wear personal protective equipment.