ThermaGloss® 425FLT

Brand Family Overview

FGLASS™ is a versatile family of fiber sizings and film formers used in the manufacturing of both glass fiber and carbon fiber. It is suitable for both chopped strand and continuous fiber applications.

See more FGLASS products.


A high heat resistant overprint which imparts a matte finish to preprint linerboard while eliminating picking and smearing of the inks through the hot plate section of the corrugator.


Water based, matte finish, heat resistant overprint varnish

Performance Attributes

This product is used in many applications including the following:

ApplicationProperties Imparted
Perishablesoverprints with heat resistance

See more products recommended for Perishables.
Physical Properties

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

AppearanceCream colored liquid
pH8.5 - 9.5
Percent Non-Volatile28.5 - 30.0

Application Data

ThermaGloss® 425FLT is designed for application by flexo or gravure on a preprint press. EZ Cup Viscosity = 22 - 32seconds, #2 Cup.


Handle in accordance with good industrial hygiene and safety practice. Wear personal protective equipment.