Sapphire 5.0

Brand Family Overview

Our Hydrosize® line of products includes sizing solutions designed for use in the manufacturing of glass fiber, carbon fiber and natural fiber, using chopped strand or continuous strand fiber glass. These are in turn used to manufacture composite products and components.

See more Hydrosize products.


Designed as a primer for HP Indigo substrates to render them compatible to ink. It can be used on paper substrates.


Primer for use with HP Indigo press.

Performance Attributes

This product is used in many applications including the following:

ApplicationProperties Imparted
HP Indigo SolutionsApplicator - flexo / gravure/ roll, OEM - Indigo ws10000, OEM - Indigo ws5000, OEM - Indigo ws7000, Substrate - paper

See more products recommended for HP Indigo Solutions.
Physical Properties

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

AppearanceTranslucent liquid
pH10.4 - 11.4
Percent Non-Volatile4.8 - 5.3

Site of Manufacture (and Product Code)

AUB (Q4310A.E)
SNG (Q4310A.S)

Application Data

Q4310A (Sapphire 5.0) can be applied via flexo or direct gravure systems. The recommended dry coat weight is 30 to 60 mg/m┬▓. Use our Sapphire Indicator Solution to check quality of the coating. The anilox should be kept turning at all times to avoid premature drying of the solution. Cleaning with warm water, IPA or slightly acidic water is recommended. ISO Cup Viscosity - #3 Cup 25-31 sec. Do not dilute.


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