Hydrosize® U5-02

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.

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A food contact compliant specialty coating and fiber sizing which offers improved thermal stability, higher strength and elongation to break.


EU food contact compliant, polyurethane dispersion

Performance Attributes

This product is used in many applications including the following:

ApplicationProperties Imparted
Cable & Cordageadhesion promotion
Fiber Sizingchopped strands, hydrolysis resistance, impact resistance, PA compatible, PET/PBT compatible, thermal stability

See more products recommended for Cable & Cordage.
See more products recommended for Fiber Sizing.
Physical Properties

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

AppearanceMilky white liquid
pH7.2 - 8.5
Emulsifier ChargeAnionic / Nonionic
Percent Non-Volatile54.0 - 56.0
Recommended pH Range>7
Brookfield Viscosity (cps, mPa·s) 50 - 1000
Spindle Number3

Site of Manufacture (and Product Code)

CIN (U502)
AUB (U502.E)


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